Question 1

Is high-quality polyether F-6 harmful to the human body? Does it have any impact on the environment?

Accepted Answer

Under normal use conditions, high-quality polyether F-6 has low toxicity and is non-irritating to the human body. It is environmentally friendly, easily biodegradable, and belongs to a class of nonionic surctants with high safety. Detailed Explanation According to the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), high-quality polyether F-6 (castor oil polyoxyethylene ether) is not classified as a physical hazard, health hazard, or environmental hazard substance. Under normal use conditions, this product poses no significant harm to humans or the environment, making it a low-toxicity, environmentally friendly chemical raw material. It is non-irritating to the skin and eyes. In case of skin contact, simply rinse with running water and mild soap; no special medical treatment is required. From an ecological perspective, high-quality polyether F-6 exhibits low toxicity to aquatic organisms and possesses good biodegradability, meeting the requirements of green chemistry. This means that once the product enters the natural environment, it can be progressively decomposed by microorganisms and will not accumulate in the ecosystem over the long term. The product is also non-flammable, posing low safety risks during storage, transportation, and use. It is important to note that although this product has high safety, massive spills still require attention. Large spills can form a physical covering layer on the water surce, hindering the natural reoxygenation process of the water body, which may indirectly affect aquatic ecology. Therefore, during use and disposal, direct discharge of the product into water bodies, sewers, or irrigation systems should be avoided. Summary of Safety and Ecological Impact Assessment AspectConclusionBasis Acute ToxicityLow toxicityGHS classification: Not classified as a health hazard substance Skin IrritationNon-irritatingNo special treatment required for normal contact Eye IrritationNon-irritatingIn case of accidental eye contact, rinse with clean water only Inhalation RiskLow riskOnly high concentration vapors/mists may cause discomfort Ingestion RiskLow toxicityRinse mouth, drink water to dilute; do not induce vomiting Aquatic ToxicityLow toxicityNo significant toxic effects on aquatic organisms BiodegradabilityEasily biodegradableMeets green chemistry environmental requirements Ecological AccumulationNo significant accumulationDecomposed by microorganisms, does not persist long-term FlammabilityNon-flammableHigh flash point, not a hazardous chemical Application Recommendations Based on the excellent safety and environmental properties of this product, high-quality polyether F-6 is particularly suitable for the following applications where high safety and environmental protection are required: Defoaming in fermentation processes: Low toxicity ensures it does not inhibit the activity of fermentation strains, making it suitable for food-grade and pharmaceutical-grade fermentation systems. Pretreatment in textile printing and dyeing: The easy biodegradability significantly reduces the burden of treating printing and dyeing wastewater. Industrial low-foam cleaning agents: Friendly to operators' skin, suitable for work environments requiring frequent contact. Water treatment chemicals: Its own environmentally friendly degradation prevents secondary pollution. Precautions Although it is a low-toxicity product, it is still recommended to wear protective gloves and goggles during operation to avoid prolonged direct contact. Ensure good ventilation in the work area to avoid prolonged exposure to high concentrations of vapors. Strictly avoid discharging the product or wastewater containing the product directly into sewers, surce water, or soil. In case of large spills, use inert materials such as diatomaceous earth, vermiculite, or dry sand to contain and absorb the spill. Collect and dispose of according to chemical waste regulations. Store in a cool, dry place at 5°C to 35°C, away from strong oxidizers, strong acids, and strong bases. The shelf life is generally 12 months (from the date of production). Products past the expiration date must be retested and confirmed compliant before use.

Question 2

What should I do if problems occur during the use of high-quality polyether F-6? How to obtain technical support?

Accepted Answer

What should I do if problems occur during the use of high-quality polyether F-6? How to obtain technical support? Detailed explanation High-quality polyether F-6 (castor oil polyoxyethylene ether, CAS: 61791-12-6) is a stable non-ionic surctant that is unlikely to have abnormalities under normal use conditions. However, in practical applications, problems may arise due to improper operating conditions, compatibility issues, or storage methods. When encountering problems, it is recommended to follow the steps below to troubleshoot and handle: First, identify the type of problem. Common issues include: unsatisctory defoaming effect (possibly due to insufficient dosage or system pH deviating from the applicable range), product stratification or turbidity (possibly due to solidification caused by low storage temperature, or deterioration due to high temperature exposure), incompatibility with other additives in the formulation (precipitation or flocculation), and personal safety issues caused by leakage or contact. Different problems correspond to different troubleshooting directions. Second, consult the emergency treatment measures in the product safety instructions (see below). For emergencies involving personal contact (skin, eye contact or inhalation, ingestion), immediate first aid measures must be taken and medical attention sought promptly. For process or formulation issues, it is recommended to record detailed process conditions (temperature, pH, dosage, compatible components, etc.) and then contact the Guoli Chemical technical support team for professional analysis. Common problem troubleshooting guide Problem phenomenonPossible causeRecommended measure Poor defoaming/inhibiting effectInsufficient dosage; system temperature or pH exceeds applicable range; competition with anionic additivesGradually increase dosage for testing; check if process conditions are within recommended range; optimize feeding sequence Product stratification, turbidity or precipitationSolidification due to low storage temperature; deterioration due to high temperature exposure; exceeding 12 months shelf lifeReturn to 5°C~35°C and stir evenly before trial; if deteriorated, dispose as waste Incompatibility with formulation systemAdverse reaction with compatible components (strong acids, strong bases, strong oxidizers)Confirm compatibility; adjust the order of adding components in the formulation; conduct small-scale test Product color deepensUse of inappropriate container materials such as copper or aluminumReplace with stainless steel, glass or HDPE containers Emergency safety treatment Skin contact: Immediately remove contaminated clothing, rinse with plenty of running water and mild soap for at least 15 minutes. If persistent redness or irritation occurs, seek medical attention. Eye contact: Lift eyelids, rinse thoroughly with plenty of running water or saline solution for at least 15 minutes. If discomfort persists, seek medical attention immediately. Inhalation discomfort: Quickly move to fresh air, keep airway unobstructed. If difficulty breathing, administer oxygen and seek medical attention promptly. Ingestion: Rinse mouth with water, do not induce vomiting (unless directed by a professional), give a small amount of water to dilute, and seek medical attention as soon as possible, presenting the product label. Leak handling: Use inert absorbent materials (diatomaceous earth, vermiculite, dry sand) to contain the leaking liquid, prevent entry into drains and soil, collect and dispose according to chemical waste regulations. How to obtain Guoli Chemical technical support For professional technical support, it is recommended to contact Hai'an County Guoli Chemical Co., Ltd. through the following methods: Provide complete product information: Product name (High-quality polyether F-6), batch number, purchase date and quantity, so that the technical team can trace product information. Describe the problem in detail: Including process conditions (temperature, pH, dosage), other components in the formulation system, time point when the problem occurred, and photos of the phenomenon (if any). Keep samples: It is recommended to retain samples of the problematic batch, and send them to Guoli Chemical laboratory for testing and analysis if necessary. Contact directly: Obtain one-on-one support from technical engineers through Guoli Chemical's official website, business contact personnel, or sales service hotline (specific contact information please refer to the product packaging label or the latest information published on the official website). Precautions High-quality polyether F-6 is a non-hazardous chemical, low toxicity, non-flammable, easily biodegradable, but still should be operated according to regulations and with personal protection. Recommended storage temperature 5°C~35°C, avoid freezing and high temperature exposure. Shelf life is 12 months from the production date. Products beyond the shelf life must be re-tested and qualified before use. Container material should be stainless steel, glass or high-density polyethylene (HDPE), avoid using copper or aluminum containers to prevent product discoloration. It is recommended to wear chemical-resistant gloves, safety goggles during operation, and ensure good ventilation in the work area. The specific contact methods for technical support (phone, email, online customer service, etc.) are not included in the product database. Please refer to the product packaging label or the latest contact channels published on the Guoli Chemical official website.

Question 3

How to purchase high-quality Polyether F-6? What is the minimum order quantity?

Accepted Answer

You can directly contact the sales team of Guoli Chemical. High-quality Polyether F-6 is priced per "ton", with packaging options ranging from 50kg drums to IBC totes. The minimum order quantity needs to be confirmed with the sales team. Detailed Description High-quality Polyether F-6 (Castor Oil Polyoxyethylene Ether, CAS: 61791-12-6) is a standard industrial product of Guoli Chemical. According to the database information, this product is priced in "yuan/ton" and has no fixed minimum order quantity (MOQ) limit. Common packaging specifications include 50kg plastic drums, 200kg plastic drums, and IBC totes, allowing for very flexible purchasing quantities. Whether you are placing a trial order or purchasing for large-scale production, orders can be made according to your needs. To ensure you receive the most accurate daily quotations and inventory information, please contact the sales team of Hai'an Guoli Chemical Co., Ltd. directly. You can provide the product name "High-quality Polyether F-6" and inform them of your intended purchase quantity via the company's official website or publicly available business contact methods. The sales representative will provide you with a customized quotation and contract process. Purchasing Guide Ordering ParametersDetails Product NameHigh-quality Polyether F-6 CAS Number61791-12-6 Common Packaging50kg plastic drum / 200kg plastic drum / IBC tote Pricing UnitYuan/ton Minimum Order QuantityNo fixed limit, please contact sales for confirmation (small trial batches available) Get a QuoteContact Guoli Chemical Sales Department for the latest real-time price and shipment schedule Delivery MethodLogistics by Guoli Chemical or warehouse pickup, specific terms to be agreed upon Application Suggestions Before placing an order, you may confirm your application scenario in advance. High-quality Polyether F-6, as a nonionic surctant with an HLB value between 12-14, is suitable for high-end defoamer formulation, industrial low-foam cleaning agents, and metalworking fluids. If you have specific requirements for cloud point or dilution viscosity, it is recommended to inform the sales team of your technical parameter needs when ordering, so they can match you with a more precise product batch. Precautions Price Note: The prices in the database are "for reference only". Actual transaction prices will be adjusted with raw material fluctuations. Please ensure to use the daily sales quotation as the standard. Storage Period: The product has a shelf life of 12 months. If you purchase in bulk for future use, ensure the warehouse environment meets the conditions of cool and ventilated (5-35°C). Trial Suggestion: For first-time use, it is recommended to start with a 50kg small package for trial, verify its defoaming and compatibility in your formulation, and then proceed with large-scale procurement.

Question 4

Does high-quality polyether F-6 meet environmental requirements? Can a test report be provided?

Accepted Answer

High-quality polyether F-6 meets environmental requirements, is a low-toxicity, easily biodegradable green chemical product; for test reports, please directly contact Guoli Chemical, as electronic report files are not included in the database. Detailed Description High-quality polyether F-6 (Castor oil ethoxylate, CAS number: 61791-12-6) performs excellently in terms of environmental compliance. According to the Globally Harmonized System of Classification and Labeling of Chemicals (GHS), this product does not ll under the classification of physical hazards, health hazards, or environmental hazards, posing no significant harm to humans or the environment under normal use conditions. Its raw material is derived from natural castor oil, and the ester bonds and ether bonds in its molecular structure are easily degraded by microorganisms in the natural environment, aligning with the current industry trends of green chemistry and sustainable development. From an ecotoxicological perspective, this product exhibits low toxicity to aquatic organisms and has good biodegradability, preventing long-term accumulation in the environment. The product is non-flammable and non-irritating to the skin and eyes, effectively reducing the overall environmental load of end-use formulations in industrial applications. However, it should be noted that while the product itself is low-toxicity and environmentally friendly, large spills may still affect water reoxygenation due to physical coverage, and spill emergency response procedures must be followed during use, prohibiting direct discharge into water bodies or irrigation systems. Regarding test reports, the database currently does not include electronic copies of SGS, RoHS, REACH, or MSDS reports for this product. As a regular manucturer, Guoli Chemical provides a Certificate of Analysis (COA) with each batch of product. For third-party test reports (such as SGS test reports, environmental compliance declarations, etc.), it is recommended to directly contact Guoli Chemical's sales or technical department, provide specific requirements, and the manucturer will arrange for issuance. Such reports are typically applied for separately for specific batches based on customer needs. Environmental Technical Parameters Parameter Index Description GHS Classification Non-hazardous substance Not classified as physical hazard, health hazard, or environmental hazard Biodegradability Readily biodegradable Can be rapidly decomposed by microorganisms in the natural environment Aquatic Toxicity Low toxicity No significant acute toxicity effects on aquatic organisms Heavy Metal Content None Product does not contain harmful heavy metals (Data source: Guoli Chemical database) Arsenic Content None Product does not contain arsenic (Data source: Guoli Chemical database) Flash Point (Closed Cup) >230°C High flash point, non-flammable, high safety in storage and transport pH Value (1% Aqueous Solution) 5.0~7.0 Nearly neutral, extremely low corrosivity to contact surces Active Content ≥99% High purity, reducing environmental risks from by-products Application Recommendations Based on its excellent environmental performance, high-quality polyether F-6 is particularly suitable for industry scenarios with strict environmental requirements: Wastewater Treatment Defoaming: Used for foam control in industrial wastewater treatment processes. Due to its easy biodegradability, it does not add burden to subsequent biological treatment systems. Textile Printing and Dyeing Pretreatment: Used as a penetrating agent and degreasing agent, meeting high environmental standards for auxiliaries in textile exports (such as OEKO-TEX certification requirements). Water-Based Coating Defoaming: Used in low-VOC formulation systems for architectural coatings and industrial coatings, helping to upgrade the environmental performance of coating products. Fermentation Process Defoaming: In fields requiring high safety, such as food fermentation and biopharmaceuticals, its low toxicity ensures process safety. Notes Although this product is an environmentally friendly surctant, it is not for direct consumption. Eating, drinking, and smoking are prohibited in the operation area. Waste disposal should follow local chemical waste management regulations and must not be dumped or landfilled arbitrarily. It is recommended to dispose of it through qualified hazardous waste treatment agencies. To obtain a COA (Certificate of Analysis) or third-party test reports (such as SGS, REACH compliance declarations, etc.), please directly call or email Guoli Chemical's sales department, provide the required test items and purpose, and the manucturer will arrange issuance based on your needs. The product shelf life is 12 months (under cool, dry storage conditions at 5°C~35°C). After this period, it should only be used after passing re-inspection to avoid the environmental compliance of end-use applications being affected by product deterioration.

Question 5

What are the advantages of high-quality polyether F-6 compared to other similar products?

Accepted Answer

High-quality polyether F-6, based on natural castor oil as the raw material, has formed a comprehensive advantage over conventional petrochemical-based polyethers and silicone defoamers in four dimensions: defoaming and foam inhibition efficiency, acid-alkali and hard water stability, environmental safety, and wide application breadth. Detailed Description The core differentiated advantage of high-quality polyether F-6 (castor oil polyoxyethylene ether, CAS: 61791-12-6) first lies in its raw material base — it is derived from natural castor oil, while most similar polyether products on the market (such as tty alcohol polyoxyethylene ether, isomeric alcohol polyether, etc.) use petrochemical synthetic alcohols as initiators. The natural molecule of castor oil contains multiple ester bonds and hydroxyl sites. After ethoxylation, the unique multi-branched structure formed endows F-6 with r superior defoaming film spreading ability and foam micro-nucleus penetration and destruction ability compared to linear polyethers, achieving the trinity effect of "small addition, st foam breaking, and long-term foam inhibition." Secondly, in terms of chemical tolerance, high-quality polyether F-6 exhibits excellent acid-alkali and hard water resistance, allowing efficient operation over a wide pH range (pH 5.0~7.0 for 1% aqueous solution, but remains stable when paired with strong acids and alkalis) and in complex water conditions. Compared to silicone defoamers (such as G470 polyether modified silicone defoamer), although F-6 may be slightly slower in instantaneous foam breaking speed, it is less prone to silicone spot residues, offering significant advantages in processes with strict surce cleanliness requirements, such as textile pretreatment and metal cleaning; compared to common tty alcohol polyether defoamers (such as GP-330), F-6 has a wider adjustable cloud point range and better temperature resistance, making it less likely to precipitate and il under high-temperature conditions. From an environmental and safety perspective, high-quality polyether F-6 is a defoaming polyether explicitly marked in the database as "low toxicity, environmentally friendly, easily biodegradable, non-hazardous chemical, non-irritating to skin and eyes." Although many alcohol ether products are also low in toxicity, their complete biodegradation rate is not as good as that of castor oil-based F-6. Under increasingly stringent environmental regulations, this characteristic gives it an irreplaceable advantage in processes that directly contact the environment, such as wastewater treatment and papermaking pulping. Technical Parameters Comparison Dimension High-Quality Polyether F-6 Similar Products (Taking GP-330/tty Alcohol Polyether Defoamer as Example) Raw Material Base Natural castor oil, renewable resource Petrochemical-based C12-14 tty alcohol, petroleum derivative Ion Type Nonionic surctant Nonionic surctant Defoaming Characteristics st foam breaking + long-term foam inhibition, low-foaming type Focuses on defoaming, weaker foam inhibition durability HLB Value 12~14 (hydrophilic, self-emulsifying and dispersing in water) Varies with EO number, defoaming type mostly between 3~8 Acid-Alkali/Hard Water Resistance Excellent, stable over wide pH range General, may hydrolyze under extreme pH Active Content ≥99% Varies by model, usually ≥99% Flash Point (Closed Cup) >230°C (high flash point, good safety) Varies by model, usually >150°C Biodegradability Easily biodegradable, low ecotoxicity Degradable, but rate slower than castor oil-based Silicone Spot Residue Risk None (non-silicone based) None (non-silicone based); silicone defoamers have risk * The comparison data for similar products in the table are compiled based on the product characteristics in the Guoli Chemical database; GP-330 parameters are from database product ID 218. Application Suggestions Choosing between high-quality polyether F-6 and other defoaming polyethers depends on the core requirements of the process: Scenarios where high-quality polyether F-6 is preferred: Fermentation processes (require non-toxic defoamer), textile pretreatment (silicone spot prohibited, alkali resistance required), papermaking pulping (require easy biodegradability), water-based coatings and wastewater treatment (require long-term foam inhibition and environmental friendliness), metal high-pressure spray cleaning (low foam and hard water resistance). Recommended addition amount is generally 0.01%~0.1% of the total system, and the optimal dosage should be determined through small-scale experiments. Scenarios where other polyether products may be considered: If defoaming function is completely not required but emulsification or wetting penetration is emphasized (e.g., E-1300 series isomeric alcohol ether for degreasing cleaning), or for extreme working conditions requiring extremely high instantaneous foam breaking speed and allowing trace silicone residues (e.g., G470 and other silicone-modified types can be considered), selection can be made according to process needs. Compound Use Suggestion: Combining high-quality polyether F-6 with a small amount of silicone defoamer can achieve a synergistic effect of st foam breaking and long-term foam inhibition while reducing the amount of silicone substances, balancing performance and cleanliness. Precautions This product is a viscous liquid (viscosity 200~400 mPa·s at 25°C), viscosity increases at low temperatures. It is recommended to warm it to 20~35°C and stir evenly before use. The storage period is 12 months from the date of production. After expiry, it should be re-inspected and used only if qualified. Avoid using copper or aluminum containers; stainless steel or HDPE materials are recommended for storage. Although it is low in toxicity and environmentally friendly, it is still recommended to wear protective gloves and

Question 6

How to store high-quality polyether F-6? What is the shelf life?

Accepted Answer

High-quality polyether F-6 should be stored in a cool, dry, and well-ventilated place, with a recommended temperature of 5°C to 35°C. The shelf life is 12 months under recommended storage conditions. Detailed Description High-quality polyether F-6 (castor oil polyoxyethylene ether) is a nonionic surctant with stable chemical properties, but proper storage is crucial to maintain product performance. Choose a cool, dry, well-ventilated location for storage, with a recommended temperature range of 5°C to 35°C. Prevent freezing and high-temperature exposure, and avoid drastic temperature fluctuations to ensure product quality stability. In terms of container selection, it is recommended to use closed containers made of materials such as stainless steel, glass, or high-density polyethylene (HDPE). Special attention should be paid to avoid using metal containers such as copper or aluminum that may cause product discoloration. Storage areas should be equipped with leak-proof dikes or trays, and container labels should be kept clear and intact. Additionally, store separately from incompatible substances such as strong oxidizers, strong acids, and strong bases, maintaining a safe distance. Under recommended storage conditions, the shelf life of high-quality polyether F-6 is generally 12 months from the date of manucture. Products beyond this period should not be directly discarded but may be used after passing a re-inspection. Empty containers may still have residues and should not be disposed of arbitrarily; they should be handled in accordance with relevant regulations. Storage Key Points at a Glance ItemRequirement Storage temperature5°C to 35°C, prevent freezing and high-temperature exposure Environmental conditionsCool, dry, well-ventilated Recommended container materialStainless steel, glass, high-density polyethylene (HDPE) Prohibited container materialCopper, aluminum (may cause product discoloration) Isolation requirementsStore separately from strong oxidizers, strong acids, strong bases Warehouse managementSet up leak-proof dikes or trays, keep labels clear and intact Shelf life12 months (from date of manucture); can be used after re-inspection if expired Application Suggestions It is recommended that users follow the "first-in, first-out" principle for inventory management, and prioritize the use of earlier batches within the shelf life. After each use, the container should be sealed immediately to avoid prolonged exposure to air, which may cause moisture or impurity absorption. If the product shows stratification, turbidity, or abnormal color changes during storage, it should be re-inspected to confirm whether performance indicators meet standards before use. Precautions Avoid drastic temperature fluctuations; excessive temperature differences may cause turbidity or stratification. Empty containers may still have product residues and should be disposed of as chemical waste containers according to regulations, not discarded arbitrarily. Although the product is a non-flammable liquid, it should still be kept away from high-temperature heat sources and open flames in large-scale storage. If leakage occurs, inert absorbent materials (such as diatomaceous earth, vermiculite, dry sand) can be used to contain and collect the spill, preventing it from entering drains or soil.

Question 7

What safety precautions should be taken when using high-quality polyether F-6?

Accepted Answer

High-quality polyether F-6 is a non-hazardous chemical and, under normal usage conditions, poses no significant harm to humans or the environment. However, standard chemical handling practices should still be followed to ensure safe use. Detailed Explanation High-quality polyether F-6 (castor oil polyoxyethylene ether) is a non-ionic surctant. According to the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), this product is not classified as a physical hazard, health hazard, or environmental hazard substance. It is low-toxicity, environmentally friendly, non-irritating to skin and eyes, non-flammable, and readily biodegradable, making it a relatively safe chemical raw material. Although the product itself has low hazard, in industrial applications, it is recommended that operators wear chemical-resistant gloves, safety goggles, and standard laboratory work clothes to avoid direct skin and eye contact. The work area should be well-ventilated; if ventilation is insufficient, local exhaust ventilation should be used. Eating, drinking, and smoking are prohibited in the operating area. After operation, hands and any potentially contacted skin surces should be thoroughly washed. In terms of emergency treatment, if skin contact occurs, immediately remove contaminated clothing and rinse with plenty of running water and mild soap for at least 15 minutes. If accidentally splashed into eyes, lift the eyelids and rinse thoroughly with plenty of running water or saline solution for at least 15 minutes. If persistent discomfort or pain occurs, seek medical attention immediately. In case of a large spill, use inert absorbent materials (such as diatomaceous earth, vermiculite, or dry sand) to contain it and prevent entry into sewers, surce water, or soil. Storage Conditions Storage ElementSpecific Requirements Temperature ControlStore in a cool, dry, and well-ventilated place. Recommended temperature is 5°C to 35°C. Prevent freezing and exposure to high temperatures, and avoid drastic temperature fluctuations. Container RequirementsUse sealed containers made of stainless steel, glass, or high-density polyethylene (HDPE). Avoid using metal containers such as copper or aluminum that may cause product discoloration. Environmental IsolationStore separately from incompatible substances such as strong oxidizers, strong acids, and strong bases, maintaining a safe distance. Warehouse ManagementStorage areas should be equipped with spill containment berms or trays. Keep container labels clear and intact. Shelf LifeUnder recommended storage conditions, the shelf life is generally 12 months from the date of manucture. Products beyond this period should be re-inspected and deemed acceptable before continued use. Fire Emergency Response High-quality polyether F-6 is a non-flammable liquid with a high flash point. However, if heated in an external fire, water fog, alcohol-resistant foam, dry chemical, or carbon dioxide extinguishers can be used. It is important to avoid direct use of a solid stream of water to prevent splashing and spreading the fire. Firefighters should wear self-contained positive-pressure breathing apparatus and full protective equipment. For storage tanks and containers involved in a fire, continuously cool them from a distance with water fog until the fire is completely extinguished. Application Recommendations Based on the above safety characteristics, when using high-quality polyether F-6 in applications such as defoamers, industrial low-foam cleaners, metalworking fluids, textile pretreatment auxiliaries, and water treatment chemicals, the following core principles should be followed to ensure safe use: Operation Protection: Wear gloves and goggles, and protective work clothing. Ventilated Environment: Ensure good ventilation in the work area. Closed Transfer: Use closed systems or appropriate containers for handling and transportation to prevent spills or splashes. Static Electricity Prevention: Under high-volume transfer or high-flow conditions, take measures such as equipotential bonding and anti-static precautions. Spill Control: Regularly check the tightness of pipes, valves, and connections. Notes Although the product has low toxicity and is biodegradable, large spills can still form a physical layer affecting water reoxygenation. Physical containment measures should be used to prevent spread, and the relevant environmental regulatory authorities should be notified immediately. Empty containers may still have residues; do not dispose of them casually. Handle them according to chemical waste regulations. If environmental pollution has occurred, immediately notify the local environmental protection department. In case of ingestion, do not induce vomiting unless directed by a medical professional. Rinse the mouth thoroughly with clean water and seek medical attention promptly.

Question 8

How to use high-quality polyether F-6? What is the recommended dosage?

Accepted Answer

The usage method of high-quality polyether F-6 needs to be flexibly adjusted according to different application scenarios. There is no fixed dosage value in the Guoli Chemical product database. It is recommended to determine the optimal dosage through small-scale tests. Detailed Explanation High-quality polyether F-6 (castor oil polyoxyethylene ether, CAS: 61791-12-6) is a nonionic low-foam surctant with an HLB value of 12~14, content ≥99%, easily soluble in water, ethanol, aromatics, and other organic solvents. The key to its usage lies in pre-dilution or direct addition based on the specific application scenario, and determining the optimal addition ratio through small-scale tests . Due to differences in process conditions, water hardness, temperature, and foam systems across industries, the dosage varies significantly; a one-size-fits-all fixed dosage is not advisable. Before use, it is recommended to dilute the product with 5~10 times deionized water or process water into a working solution for more uniform dispersion in the system. For defoamer compounding, polyether F-6 is typically used as a core defoaming component in combination with other additives (such as dispersants and thickeners). For cleaning agents and metalworking fluids, it can be directly added as a low-foam wetting and penetrating component. During operation, ensure the system is stirred evenly, and control the processing temperature within a reasonable range to avoid prolonged high-temperature heating. Technical Parameters Parameter ItemSpecification Index Product TypeNonionic Surctant AppearanceColorless to light yellow transparent liquid Active Content≥99% HLB Value12~14 pH Value (1% aqueous solution)5.0~7.0 Hydroxyl Value54~58 mgKOH/g Moisture Content≤0.1% Density1.00~1.10 g/cm³ Viscosity (25℃)200~400 mPa·s Flash Point (Closed Cup)>230℃ Foam CharacteristicsLow foam SolubilitySoluble in water, ethanol, aromatics, and various organic solvents Alkali ResistanceGood Application Recommendations 1. Defoamer Compounding (Core Application): As a core raw material for high-efficiency defoamers, suitable for fermentation processes, papermaking, textile printing and dyeing, waterborne coatings, and industrial wastewater treatment. It is recommended to dilute with solvent or water first, then compound with other defoaming aids to prepare a defoamer product. The dosage in the defoamer working solution is typically 0.01%~0.5% of the total system, depending on the severity of foam, determined through stepwise tests. 2. Industrial Low-Foam Cleaning Agents: Used for formulating low-foam cleaning agents for spray cleaning, high-pressure cleaning, etc. It is recommended to add 1%~10% in the formulation, combined with other surctants and additives, to provide good wetting, penetration, and detergency while effectively suppressing foam generation. 3. Metalworking Fluid Components: As a lubrication and cooling component in cutting fluid and grinding fluid formulations, the recommended addition amount is 2%~8% of the total formulation, adjustable according to the processing process and lubrication requirements. 4. Textile Pretreatment Auxiliaries: Used as a penetrant and deoiling agent in desizing, scouring, and bleaching processes, with a working solution concentration typically 0.5~3g/L, depending on bric type and process conditions. 5. Water Treatment Chemicals: As a dispersant or scale inhibitor component, the recommended dosage is determined through experiments based on water quality analysis and system operating parameters. The above dosage ranges are general industry reference values. The optimal dosage must be determined through laboratory small-scale tests and on-site pilot verification . Guoli Chemical can provide technical support and sample testing services. Precautions Pre-dilution Recommendation: When adding directly, it is recommended to first dilute with 5~10 times process water to ensure uniform dispersion in the system. Temperature Control: Operating temperature should be well below the product flash point (>230℃) to avoid performance degradation due to prolonged high-temperature heating. Compatibility Test: When compounding with other additives such as anionics or cationics, it is recommended to conduct small-scale compatibility tests first. Personal Protection: It is recommended to wear protective gloves and goggles during operation to avoid direct contact with skin and eyes. Storage Requirements: Store in a cool, sealed place away from light. Recommended storage temperature: 5℃~35℃. Shelf life: 12 months (from date of production). Packaging Specifications: 50kg plastic drum, 200kg plastic drum, IBC tote.

Question 9

What are the main industries and processes where high-quality polyether F-6 is applied?

Accepted Answer

High-quality polyether F-6 is widely used in five core areas including defoamers, industrial cleaning, metalworking, textile pretreatment, and water treatment. It is a multifunctional defoaming raw material among nonionic surctants. Detailed Description High-quality polyether F-6 (Castor oil ethoxylate, CAS No.: 61791-12-6) is a nonionic surctant, appearing as a light yellow to yellow transparent viscous liquid. Its core advantages lie in excellent defoaming and foam suppression performance. Only a small amount is needed to quickly break foam and provide long-lasting foam inhibition. It also has excellent acid, alkali, and hard water resistance, as well as broad chemical compatibility, and is low-toxicity, environmentally friendly, and easily biodegradable. With these outstanding properties, high-quality polyether F-6 can serve as a core defoaming raw material, low-foam wetting and penetrating agent, lubricating and cooling component, among other functional roles, serving various industrial scenarios. The following five application areas cover the main uses of this product. Detailed Application Areas and Processes Application Area Specific Process/Scenario Product Function Defoamer Component Fermentation processes, paper pulping, textile printing and dyeing, water-based coatings, industrial wastewater treatment As a core raw material for high-efficiency defoamers, providing rapid foam breaking and long-lasting foam suppression Industrial Low-Foam Cleaners Spray cleaning, high-pressure cleaning, metal and hard surce cleaning Reduce foam generation, maintain good wetting, penetration, and detergency Metalworking Fluids Cutting fluids, grinding fluids Basic lubricating and cooling components, reduce friction and processing temperature, improve workpiece surce finish Textile Pretreatment Auxiliaries Desizing, scouring, bleaching processes As penetrating and degreasing agents, help the working fluid wet the bric quickly and evenly Water Treatment Chemicals Industrial circulating water systems, wastewater treatment As dispersants, scale inhibitors, or heat transfer medium additives, improve system operating efficiency Application Recommendations When using high-quality polyether F-6, it is recommended to adjust the dosage according to specific process requirements. When used as a defoamer component, adding 0.1%~1% of the total formula weight can achieve significant defoaming and foam suppression effects. In metalworking fluid formulations, it can be used as a basic lubricating component in combination with other functional additives. In textile pretreatment, it is recommended to use it together with scouring agents, penetrants, etc., to fully leverage its wetting and degreasing properties. Precautions Store in a cool, dry, well-ventilated place; recommended temperature 5°C to 35°C, protect from freezing and high temperature exposure. Use airtight containers made of stainless steel, glass, or high-density polyethylene (HDPE); avoid using metal containers such as copper or aluminum that may cause product discoloration. Store separately from incompatible substances such as strong oxidizers, strong acids, and strong alkalis. Under recommended storage conditions, the shelf life is generally 12 months. Products beyond the expiry date should be retested and approved before use. It is recommended to wear protective gloves and goggles during operation, and ensure good ventilation in the work area.

Question 10

What are the physicochemical technical parameters of high-quality polyether F-6?

Accepted Answer

High-quality polyether F-6 is a nonionic castor oil polyoxyethylene ether surctant (CAS: 61791-12-6), appearing as a colorless to light yellow transparent viscous liquid, with an HLB value of 12~14, exhibiting excellent defoaming and foam suppression performance and wide industrial application value. Detailed Description High-quality polyether F-6 (also known as: castor oil polyoxyethylene ether, emulsifier EL, ethoxylated castor oil) is a nonionic surctant polymerized from castor oil and ethylene oxide, with a molecular formula of approximately C57H104O9·(C2H4O)n and an average molecular weight of about 3000. The product has an effective content of ≥99% and a solid content of ≥99%, belonging to high-purity polyether products. As a nonionic surctant, F-6 has good dispersion and solubility in water, and is also soluble in various organic solvents such as ethanol and aromatic hydrocarbons. Its HLB value is in the range of 12~14, and the cloud point can be adjusted according to the polymerization ratio, giving the product flexible formulation adaptability. The foam characteristic of the product is low foam, which makes it an ideal basic raw material in the field of defoamers. F-6 has excellent chemical stability, maintaining stable properties at room temperature, with outstanding resistance to acids, alkalis, and hard water, maintaining high performance in a wide pH range and complex water conditions. The product is also hygroscopic, with a flash point above 230°C (closed cup). It is a non-hazardous chemical, non-irritating to skin and eyes, easily biodegradable, and meets green chemical requirements. Technical Parameters Parameter ItemTechnical Index Product NameHigh-quality Polyether F-6 (Polyoxyethylene Castor Oil) CAS No.61791-12-6 AliasCastor Oil Polyoxyethylene Ether, Emulsifier EL, PEG Castor Oil, Ethoxylated Castor Oil Ion TypeNonionic Surctant AppearanceColorless to light yellow transparent viscous liquid Molecular FormulaC57H104O9·(C2H4O)n Molecular WeightApprox. 3000 Effective Content≥99% Solid Content≥99% HLB Value12~14 pH Value (1% Aqueous Solution)5.0~7.0 pH Value (5% Aqueous Solution)5.0~7.0 Density1.00~1.10 g/cm³ Kinematic Viscosity200~400 mPa·s (25°C) Refractive Index1.470~1.480 (20°C) Hydroxyl Value54~58 mgKOH/g Acid Value≤0.1 mgKOH/g Iodine Value30~40 g I₂/100g Unsaturation0.2~0.4 mmol/g Moisture Content≤0.1% Cloud PointAdjustable based on polymerization ratio Flash Point>230°C (Closed Cup) Foam PerformanceLow Foam SolubilitySoluble in water, ethanol, aromatic hydrocarbons and various organic solvents HygroscopicityHygroscopic Chemical StabilityStable at room temperature Alkali ResistanceGood Packaging Specifications50kg plastic drum, 200kg plastic drum, IBC tote Shelf Life12 months (under recommended storage conditions) Application Suggestions Based on the low-foam characteristics and HLB value range of 12~14 for hydrophilic-lipophilic balance, this product has wide applications in the following fields: as a core raw material in defoamer formulations, suitable for foam control in fermentation processes, papermaking and pulping, textile printing and dyeing, water-based coatings, and industrial wastewater treatment; in industrial low-foam cleaning agents for spray cleaning and high-pressure cleaning processes, combining wetting, penetration, and detergency; in metalworking fluids (such as cutting fluids and grinding fluids) as a lubricating and cooling component to reduce friction and processing temperature, while improving workpiece surce quality through good hard water resistance and emulsification stability. The recommended addition amount should be determined through experiments based on specific application scenarios. In defoamer formulations, a small addition amount is usually sufficient to achieve rapid defoaming and long-term foam suppression. When compounding, pay attention to compatibility tests with other additives in the system. F-6 has wide compatibility and is not prone to adverse reactions with other additives. Precautions Storage Conditions: Store in a cool, dry, and well-ventilated place, with recommended temperature 5°C~35°C, preventing freezing and high temperature exposure. Use closed containers made of stainless steel, glass, or HDPE; avoid using copper or aluminum containers. Operating Protection: It is recommended to wear chemical-resistant gloves and safety goggles during operation, and keep the work area well ventilated. Although it is a non-hazardous chemical, prolonged direct skin contact should be avoided. Shelf Life: The shelf life is 12 months from the production date under recommended storage conditions. Products beyond the shelf life must be re-tested and qualified before use. Spill Handling: For small spills, use inert absorbent materials (such as diatomaceous earth, dry sand) to contain and collect, and prevent entry into sewers or water bodies. For large spills, immediately notify environmental authorities.

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Property	Value
CAS No.	61791-12-6
Molecular Formula	C57H104O9·(C2H4O)n
Appearance	Colorless to pale yellow transparent liquid
Ionic Type	Nonionic
Avg. Molecular Weight	~3000
Cloud Point	Adjustable based on polymerization ratio
Active Content	≥99%
pH Value(1%)	5.0~7.0
pH Value(5%)	5.0~7.0
Iodine Value	30-40 g I₂/100g
Solubility	Soluble in water, ethanol, aromatic hydrocarbons and other organic solvents
Acid Value	≤0.1
Hydroxyl Value	54~58
Moisture	≤0.1
Density	1.00~1.10
Kinematic Viscosity	200~400
Refractive Index	1.470~1.480 (20°C)
Flash Point	>230°C (closed cup)
Hygroscopicity	Hygroscopic
Chemical Stability	Stable at room temperature
Foam Property	Low foam
Alkali Resistance	Good
Unsaturation	0.2-0.4 mmol/g
Viscosity	200-400 mPa·s (25°C)
Solid Content	≥99%

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Handling

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