Question 1

Is Defoamer King FAG470 harmful to human body? Does it have an impact on the environment?

Accepted Answer

Defoamer King G470 is a non-hazardous chemical, with no acute toxicity or irritation to the human body, and no harm to the aquatic environment. It is an environmentally and safety-friendly industrial defoamer. Detailed Explanation According to the Safety Data Sheet (SDS) of Defoamer King G470, the product has been strictly evaluated under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), and is not classified as a hazardous chemical. No hazard categories have been assigned, and no pictograms, signal words, or hazard statements are required. The product is non-flammable, non-self-igniting, free from explosion risk, and non-oxidizing, making it safe and reliable for use. In terms of human health, Defoamer King G470 has no known acute toxicity, is non-corrosive and non-irritating to the skin, and causes no serious eye damage or irritation. Its non-ionic polyether-modified polysiloxane molecular structure ensures chemical stability and mildness, posing no acute health hazards to humans under normal industrial use conditions. However, this does not mean basic protective measures can be entirely disregarded. It is still recommended to wear gloves and safety goggles during operation to avoid unnecessary direct contact. Regarding the ecological environment, the product poses no harm to the aquatic environment and is not classified as an aquatic toxic substance. Its polyether-modified silicone components do not cause significant toxicity to fish, algae, or other aquatic organisms in water bodies. Nevertheless, in the event of a spill, inert absorbent materials should be used for collection to prevent large amounts from being discharged directly into sewers or natural water bodies. This is both a regulatory requirement and a responsible industrial practice. Safety Assessment Summary Evaluation Item Evaluation Result Data Source GHS Hazard Classification Not classified as hazardous chemical, no hazard categories Product SDS Acute Toxicity No known acute toxicity Product SDS Skin Corrosion/Irritation Non-irritating Product SDS Serious Eye Damage/Eye Irritation Non-irritating Product SDS Flammability Non-flammable Product SDS Aquatic Environmental Hazard No hazard Product SDS Application Recommendations Due to its excellent safety characteristics, Defoamer King G470 is widely used in industries closely related to humans and the environment, such as municipal wastewater treatment, textile dyeing and finishing, industrial cleaning, and papermaking. In these applications, the product achieves efficient defoaming at very low dosage levels, further reducing potential environmental load. For processes with strict environmental requirements, this product is an ideal choice. Precautions Operate in accordance with general industrial chemical handling practices, ensuring good ventilation. It is recommended to wear protective gloves and safety goggles to avoid product contact with eyes and mucous membranes. If accidentally gets into eyes, rinse immediately with plenty of flowing water for at least 15 minutes. If irritation persists, seek medical attention. In case of spillage, collect with inert materials such as sand or vermiculite. Avoid direct discharge into water bodies or sewers. Although the product is non-flammable, it may decompose under fire conditions producing harmful fumes. Firefighters should wear self-contained breathing apparatus. Wash hands thoroughly after handling. Do not eat, drink, or smoke in work areas.

Question 2

What should I do if problems occur during the use of Defoamer King FAG470? How to obtain technical support?

Accepted Answer

If you encounter problems during use, first check common phenomena. If the problem persists, contact the technical team of Guoli Chemical for professional support. Common Problem Self-Check and Handling Defoamer King G470 is a polyether-modified silicone emulsion. Most usage problems are related to addition method, dosage, or storage conditions. When the defoaming effect is poor, please check the following points in order: Stratification or sedimentation: The product may experience slight stratification after long-term static storage, which is normal. Stir thoroughly before use to restore a uniform emulsion state before adding; otherwise, uneven active substance concentration may cause performance fluctuations. Insufficient or excessive dosage: Defoamers have an optimal dosage range. Too low dosage results in incomplete defoaming, while too high dosage may cause system turbidity or shrinkage (especially in coatings). It is recommended to determine the optimal dosage through small-scale tests, typically starting with a gradient test from 10 to 100 ppm. Improper addition location: The defoamer should be added as close to the source of foam generation or the area of vigorous agitation as possible. If using a metering pump for continuous addition, ensure the injection port is in a turbulent zone to allow rapid dispersion of the product. Deterioration after dilution and prolonged storage: If diluted with water and stored for a long time, the diluted solution may breed bacteria or cause demulsification. It is recommended to dilute immediately before use, or use within 24 hours after dilution. Storage condition issues: If the product has been frozen or exposed to high temperatures above 40°C for a long time, it may lead to demulsification and ilure. Check whether the storage environment is within the 5°C to 40°C range. Emergency Handling (Contact with Human Body) If accidental contact occurs during operation, refer to the safety data sheet for action: Skin contact: Immediately remove contaminated clothing and wash with plenty of water and soap. If irritation or discomfort occurs, seek medical assistance. Eye contact: Immediately rinse thoroughly with running water or normal saline for at least 15 minutes, lifting the eyelids to ensure thorough flushing. If discomfort persists, seek medical attention immediately. Inhalation or ingestion: If inhaled, move to fresh air; if ingested, rinse mouth with water, do not induce vomiting, and immediately go to a doctor with the product label and SDS. How to Obtain Technical Support The database currently does not include the real-time customer service phone number or online contact methods for Guoli Chemical. It is recommended to obtain official technical support through the following channels: Visit the official website: Go to the official website of Haian Guoli Chemical Co., Ltd., and look for the "Technical Support" or "Contact Us" page, where you can usually find a technical service hotline, online message system, or email contact information. Contact sales or distributors: If you purchased through a distributor or business manager, contact the corresponding salesperson directly, who can quickly coordinate the manucturer's technical team to intervene. Provide complete information: When seeking support, please prepare in advance the product name (Defoamer King G470), batch number, application scenario, addition method, dosage, and specific phenomena observed so that technicians can diagnose efficiently. Precautions Although this product is not a hazardous chemical, general industrial chemical handling procedures should still be followed. Wear protective gloves and goggles, maintain ventilation, wash hands promptly after use, and avoid eating or drinking in the work area.

Question 3

How to purchase Defoamer FAG470? What is the minimum order quantity?

Accepted Answer

The procurement process for Defoamer G470 requires direct contact with the sales team of Guoli Chemical. The specific minimum order quantity is not publicly available; it is recommended to call for real-time pricing and minimum order quantities. Detailed Explanation Defoamer G470 is a polyether-modified polysiloxane high-efficiency defoamer independently developed by Haian Guoli Chemical Co., Ltd. (Guoli Chemical). It is a nonionic aqueous emulsion product. According to product database information, this product is available in three standard industrial packaging specifications: 25kg plastic drum, 50kg plastic drum, 200L plastic drum, allowing users of different scales to choose as needed. Due to the significant fluctuations in chemical product prices influenced by multiple ctors such as raw material costs, market supply and demand, and purchase volume, the unit price of this product in the database is marked as "price to be inquired." The actual transaction price and the minimum order quantity (MOQ) need to be confirmed through direct communication with the Guoli Chemical sales team. The price update time is as of June 10, 2026; it is recommended to obtain the latest quotation. Procurement and Inquiry Methods To place an order or obtain product samples, you can contact the official sales team of Guoli Chemical through the following channels: Official Channels: Visit Guoli Chemical's official website or a business platform with corporate certification to inquire about the sales hotline and online customer service Inquiry Preparation: It is advisable to confirm your target application field, estimated monthly usage, and required packaging specifications in advance so that sales personnel can provide accurate quotations and sample support Sample Verification: Guoli Chemical typically supports small sample testing. You can request a sample for trial use under actual working conditions before formal procurement to ensure the product's defoaming and foam inhibition performance meets your process requirements Technical Parameters Parameter ItemSpecification Indicator AppearanceMilky white liquid Ion TypeNonionic Active Ingredient Content (Solid Content)20.0% ~ 30.0% pH Value (1% Aqueous Solution)5.0 ~ 8.0 Density0.85 ~ 1.05 g/cm³ Acid Value≤1.0 mgKOH/g Moisture Content≤1.0% Heavy Metals (as Pb)≤10 mg/kg Arsenic (As)≤2 mg/kg Alkali ResistanceGood (resistant to high temperature strong alkali) Packaging Specification25kg plastic drum / 50kg plastic drum / 200L plastic drum Application Recommendations Defoamer G470 is widely used in industries with demanding foam control requirements, such as water treatment, coatings and inks, textile printing and dyeing, industrial cleaning, metalworking fluids, petrochemicals, and pulp and paper. Before use, gently stir the product in the container to homogenize it. It can be added directly or diluted with several times the amount of water before being added to the foaming system. It is recommended to use a metering pump for continuous addition to the key areas where foam is generated, to achieve optimal rapid defoaming and long-lasting foam inhibition effects. The specific dosage should be determined through small-scale tests based on actual conditions, avoiding excessive addition to prevent waste. Precautions The storage temperature is recommended to be controlled between 5°C and 40°C. Freezing or prolonged exposure to high temperatures should be strictly avoided to prevent affecting the emulsion stability After opening, the product should be used as soon as possible. Any unused product should be sealed and stored to prevent water evaporation or external contamination When handling, follow general chemical operation procedures, wear protective gloves and safety glasses, and avoid prolonged direct skin contact This product is not a hazardous chemical and is non-flammable, but it should still be stored away from strong oxidizers, strong acids, strong alkalis, and other incompatible substances

Question 4

Does Defoamer King FAG470 meet environmental requirements? Can a test report be provided?

Accepted Answer

Defoamer King G470 performs excellently in environmental compliance and is an environmentally friendly product, but the database currently has no electronic version of the test report stored. Detailed Description of Environmental Compliance Defoamer King G470 (polyether-modified polysiloxane defoamer) has significant environmental advantages. According to the Safety Data Sheet (SDS), this product is judged not to be a hazardous chemical under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), with no hazard categories assigned, and no pictograms, signal words, or hazard statements required. Notably, the product is explicitly marked as no hazard to the aquatic environment, which is a relatively prominent environmental characteristic in the defoamer category. The product adopts a non-ionic formula design, free from restricted substances such as APEO (alkylphenol polyoxyethylene ether). It disperses easily in water and does not cause adverse reactions with other chemicals in the system due to ionic charges. Additionally, the product has no known acute toxicity, is non-irritating to skin and eyes, and is safe and reliable during use. Under normal conditions of use, the product exhibits good chemical stability and does not readily produce harmful decomposition products. From an application perspective, the product is widely used in industries such as water treatment, textile printing and dyeing, and papermaking, especially in municipal sewage and industrial wastewater treatment systems where it can be directly added. This indirectly verifies its environmental compatibility—products that do not meet environmental requirements would struggle to pass the process review of wastewater treatment systems. Environmental Related Technical Parameters Parameter NameStandard ValueEnvironmental Significance Heavy Metal Content≤10 ppmr below general industrial limits, meeting environmental discharge requirements Arsenic Content (As)≤2 ppmStrict control of harmful elements to ensure water safety pH Value (1% Aqueous Solution)5.0 ~ 8.0Nearly neutral, minimal impact on water acidity and alkalinity GHS Hazard ClassificationNot classified (non-hazardous)No hazardous labeling required, no special restrictions for transport and storage Aquatic ToxicityNo hazard to aquatic environmentCan be safely used in water treatment systems without affecting water ecology Moisture Content≤1.0%High active ingredient content, reducing additional environmental burden from inert carriers Explanation Regarding Test Reports Defoamer King G470, as a mature industrial product manuctured by Guoli Chemical, has a complete ctory inspection process and batch inspection records. Before leaving the ctory, the product undergoes strict quality inspections, including but not limited to the determination of core indicators such as appearance, pH value, solid content, and defoaming performance. However, the current product database does not yet include electronic versions of third-party test reports (such as ROHS, REACH, SGS certification reports), so direct online download of reports is not available. If you need to obtain an official test report, it is recommended to take the following approaches: Contact Guoli Chemical's Sales or Technical Department, specify the type of report needed (e.g., ROHS test report, SDS safety data sheet, SGS test report, VOC content report), and the staff will provide the corresponding official documents based on your needs. Request the product batch ctory test report (COA), which contains specific test values for each batch and can serve as a basis for quality traceability. If third-party testing for specific items is required (e.g., biodegradability, microplastic content), Guoli Chemical can assist in arranging sample submission based on project requirements. Notes Although the product has no hazard to the aquatic environment, in case of leakage, direct discharge into sewers or natural water bodies should be avoided. It should be collected with inert absorbing materials (such as sand, vermiculite) and disposed of in accordance with local regulations. The limit values for heavy metals and arsenic content are derived from Guoli Chemical's product standards. Specific batch data should refer to the ctory test report. Requirements for environmental compliance may vary across different industries and regions (e.g., EU REACH regulations, China HJ standards). It is recommended to confirm whether the product meets the access requirements for specific application scenarios before purchasing.

Question 5

What are the advantages of Defoamer King FAG470 compared with other similar products?

Accepted Answer

Defoamer King G470 uses polyether-modified polysiloxane technology, which is significantly superior to conventional polyether or polyether ester defoamers in terms of defoaming and foam inhibition efficiency, high-temperature and strong alkali resistance, chemical compatibility, and application breadth. Detailed Description Compared with other defoamer products under Guoli Chemical, the core competitiveness of Defoamer King G470 stems from its "polyether-modified polysiloxane" molecular structure. Conventional polyether defoamers (such as GP-330) mainly rely on the cloud point effect of polyether segments to achieve defoaming. They perform well in normal-temperature neutral systems but tend to lose activity under high temperature or strong alkaline conditions. Polyether ester defoamers (such as papermaking defoamer XS-02) are more specifically designed for certain industries, with a relatively narrow application range. In contrast, G470 chemically combines silicone segments with polyether segments, possessing both the st bubble-breaking speed of silicone defoamers and the good dispersibility of polyether defoamers, while remedying the defects of pure silicone defoamers that are prone to silicone spots and poor compatibility. From the mechanism of defoaming and foam inhibition, the polyether-modified polysiloxane molecules of G470 have extremely low surce tension. They can quickly enter the foam liquid film and spread, causing the foam to burst instantly (rapid bubble breaking). At the same time, the residual molecules continuously inhibit foam regeneration in the system (long-term foam inhibition). This "dual effect" is difficult for ordinary polyether defoamers to achieve solely through the cloud point precipitation mechanism. Additionally, G470 is provided in the form of an aqueous emulsion, with dispersion in water r superior to traditional silicone oil defoamers, allowing direct use without pre-emulsification or the aid of organic solvents. Core Advantage Comparison Performance Dimension Defoamer King G470 Polyether Defoamer GP-330 Papermaking Defoamer XS-02 Chemical Type Polyether-modified polysiloxane C12-14 tty alcohol polyether Polyoxyethylene monooleate Appearance Milky white emulsion Colorless to slightly yellow transparent liquid Milky white to light yellow High Temperature Resistance Excellent (chemical structure stable at high temperatures) General (limited by cloud point temperature) General Strong Alkali Resistance Excellent (not prone to demulsification or ilure) General No data Defoaming Speed Rapid bubble breaking Moderate Moderate Foam Inhibition Persistence Long-term foam inhibition Limited Limited Aqueous Dispersibility Excellent (instant dispersion) Good Good Application Breadth 7 major industries (water treatment, coatings, textiles, cleaning, metalworking, petrochemicals, papermaking) General-purpose defoaming Mainly targeted at papermaking industry Environmental Safety Non-dangerous goods, GHS no hazard classification, no acute toxicity, no skin irritation No detailed safety data No detailed safety data Application Suggestions Defoamer King G470 is especially suitable for working conditions with stringent requirements for defoamers. In the textile printing and dyeing industry's high-temperature alkaline scouring and bleaching baths, polyether defoamers like GP-330 may lose activity after exceeding their cloud point, while G470 can continuously function due to the stability of its polysiloxane segments. In systems requiring long-term recirculation, such as industrial cleaning and metalworking fluids, the long-term foam inhibition ability of G470 can significantly reduce the frequency of re-dosing, lowering overall usage costs. In paint and ink manucturing, its non-ionic nature ensures no adverse reactions with various resins, pigments, and fillers, preventing defects such as craters or haze. If the application scenario is only conventional normal-temperature aqueous systems with short-term defoaming needs, the more cost-effective polyether defoamer GP-330 could be considered; if specifically for papermaking processes, defoamer XS-02 is also a targeted choice. Precautions G470 is an emulsion product. Gently stir to homogenize before use to ensure uniform distribution of active ingredients. Strictly control storage temperature between 5℃ and 40℃ to prevent freezing, as freezing may cause emulsion demulsification and loss of effectiveness. Foam levels vary significantly across different foaming systems. The specific dosage should be determined through small-scale tests, with a recommended starting range of 50 to 500 ppm. Although the product has excellent environmental safety, it is still recommended to wear gloves and goggles during operation to avoid prolonged skin contact.

Question 6

How to store Defoamer King FAG470? What is the shelf life?

Accepted Answer

Defoamer King G470 should be stored in a cool and dry environment at 5℃～40℃, keep sealed to avoid freezing and high temperature; in terms of shelf life, there is no clear shelf life data in the product database, and it is usually recommended that such polyether modified silicone defoamers be used within 12 months in unopened original containers. Detailed explanation Defoamer King G470 is a polyether modified polysiloxane emulsion defoamer, and its storage conditions directly affect the stability and effectiveness of the product. According to the product safety data sheet, although this product is not a hazardous chemical, proper storage is essential to maintain defoaming performance. The product should be stored in the original sealed container to avoid prolonged contact with air that may cause water evaporation or surce skinning. This product is sensitive to temperature, and the storage temperature must be strictly controlled between 5℃ and 40℃. Below 5℃ may cause emulsion freezing and demulsification, leading to separation of active ingredients; even if the temperature is restored, it is difficult to recover. Continuous heating above 40℃ will accelerate emulsion aging, resulting in viscosity changes and reduced defoaming efficiency. In addition, it should be kept away from incompatible substances such as strong oxidizers, strong acids, and strong bases to prevent chemical reactions that affect product quality. Regarding the shelf life, the product database does not specify a specific duration. According to industry practice for similar polyether modified silicone defoamer products from Guoli Chemical, subject to strict compliance with storage conditions and unopened original containers, it is recommended to use within 12 months. Once opened, the product should be used as soon as possible to avoid prolonged exposure to air that may introduce impurities or microbial growth, leading to product deterioration. Storage conditions overview Storage elementSpecific requirements Storage temperature5℃～40℃, strictly avoid freezing or sustained high temperature Environmental requirementsCool, dry, well-ventilated, avoid direct sunlight and heat radiation Container statusKeep sealed to prevent moisture absorption, evaporation, or external contamination Storage methodKeep away from incompatible substances such as strong oxidizers, strong acids, strong bases, store separately Warehouse cilitiesEquip with leakage collection tools, keep floor clean to prevent slipping Shelf lifeNo official data (industry suggestion: use within 12 months if unopened) Application suggestions If slight stratification occurs after long-term storage, this is a normal phenomenon for emulsion-type products. Slight stirring to uniformity can restore performance without affecting defoaming effect. If stirring ils to restore uniformity, or if obvious odor, discoloration, or severe stratification occurs, the product may have deteriorated and should not be used. It is recommended to establish a first-in, first-out inventory management system and regularly check the status of stored products. Precautions After opening, unused product should be resealed and used within a short period as much as possible. Do not store the product outdoors or in environments that may freeze; pay special attention to freeze protection in winter. Avoid using contaminated tools to contact the product to prevent introducing impurities. Waste products and containers should be disposed of in accordance with local environmental regulations, and should not be discharged into sewers or water bodies.

Question 7

What safety precautions should be observed when using Defoamer FAG470?

Accepted Answer

Defoamer G470 is classified as a non-hazardous chemical with high safety, but general industrial chemical handling procedures should still be followed, with particular attention to personal protection, storage conditions, and emergency measures. Detailed Explanation Defoamer G470 is a non-ionic emulsion defoamer based on polyether-modified polysiloxane technology. According to the Safety Data Sheet (SDS), this product is not classified as a hazardous chemical under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS). No hazard categories are assigned, and no pictograms, signal words, hazard statements, or precautionary statements are required. The product is non-flammable, poses no risk of spontaneous combustion or explosion, is non-oxidizing, has no known acute toxicity, skin corrosion/irritation, or serious eye damage/irritation, and is not hazardous to the aquatic environment, making it relatively safe to use. Despite its high safety profile, it is recommended to wear appropriate personal protective equipment (PPE) such as protective gloves and safety glasses during handling to avoid contact with eyes, mucous membranes, and prolonged skin contact. Hands and other potentially contaminated areas should be washed promptly after handling. Eating, drinking, or smoking in the work area should be avoided. When handling this product, handle with care to avoid splashing or generating large amounts of mist, and ensure adequate ventilation. Storage Requirements Proper storage is critical to ensure product stability: Store in a cool, dry, and well-ventilated warehouse, away from direct sunlight and heat sources. Keep containers tightly sealed to prevent moisture absorption, evaporation, or external contamination. Recommended storage temperature is between 5°C and 40°C. Avoid freezing or prolonged exposure to high temperatures, which may affect product stability. Keep away from incompatible materials such as strong oxidizers, strong acids, and strong bases; store separately. The storage area should be equipped with appropriate spill containment equipment, and the floor should be kept clean to prevent slips and other accidents. Use promptly after opening. Emergency Measures Skin Contact Immediately remove contaminated clothing and wash the affected area with plenty of water and soap. If irritation or discomfort occurs, seek medical attention. Eye Contact Immediately flush eyes with plenty of running water or saline solution for at least 15 minutes, lifting eyelids to ensure thorough rinsing. If discomfort persists, seek medical attention immediately. Inhalation Move the person to fresh air and keep the airway clear. If feeling unwell, seek medical attention promptly. Ingestion Rinse mouth with water; do not induce vomiting (unless instructed by medical personnel). Immediately bring the product label and SDS to a doctor. Spill Handling Stop the source of the leak. Use inert absorbent materials (e.g., sand, vermiculite) to contain and collect the spill into designated containers for disposal according to local regulations. Avoid generating dust or allowing the material to enter drains or waterways during cleanup. Fire Fighting Although this product is not flammable, it may decompose under fire conditions, producing harmful fumes. Firefighters should wear self-contained breathing apparatus and full protective clothing. Use water spray, foam, dry powder, or carbon dioxide extinguishing agents, and extinguish the fire based on the nature of surrounding materials. Notes Gently stir the product before use to ensure uniformity. It is recommended to add the product continuously using a metering pump to the foam generation area for optimal effectiveness. The specific dosage should be determined through small-scale tests based on actual conditions and foam level. Avoid freezing during storage, as freezing may cause emulsion breakage and loss of effectiveness. Use promptly after opening to avoid prolonged exposure to air.

Question 8

How to use Defoamer King FAG470? What is the recommended dosage?

Accepted Answer

Before using Defoamer King G470, stir gently until uniform. It can be added directly or diluted with water before use. It is recommended to continuously add it to the foam generation area using a metering pump. The specific dosage should be determined through small-scale tests. Detailed Description Defoamer King G470 is a non-ionic polyether-modified silicone emulsion defoamer with flexible usage methods. First, stir gently before use, as long-term standing may cause slight stratification of the emulsion. Stirring evenly can restore the best state; do not stir vigorously to avoid demulsification. The product can be added directly to the foaming system or used after dilution with several times clean water. The diluted product should be used as soon as possible to avoid microbial growth or decreased emulsion stability. The best addition method is to continuously add via metering pump to the area with the most intense foam generation (such as the inlet of the aeration tank, liquid surce of the stirring tank, inlet of the spray pipeline, etc.), achieving both instant defoaming and long-term foam suppression with the lowest dosage. For intermittent addition, it is recommended to supplement promptly when foam just appears, rather than waiting until foam accumulates heavily. For high-temperature and strong alkali systems (such as textile scouring and bleaching processes), part of the defoamer can be added preheated to enhance foam suppression capability. Regarding recommended dosage: There is no fixed recommended dosage value for this product in the database. This is a common industry practice—the precise dosage of defoamer is closely related to various ctors such as the medium composition of the foaming system, temperature, shear strength, type and concentration of surctants, and equipment structure. It is impossible to provide a "one-size-fits-all" standard dosage. In industrial practice, gradient tests usually start from an extremely low concentration to determine the minimum effective dosage as the final usage amount. Technical Parameters Parameter ItemDescription Product TypePolyether-modified polysiloxane emulsion defoamer Ion TypeNon-ionic AppearanceWater-based emulsion (white or light yellow liquid, subject to actual product) DispersibilityDisperses upon contact with water, no strong stirring required Temperature ResistanceExcellent, suitable for high-temperature conditions Alkali ResistanceChemically stable under strong alkali conditions, not prone to demulsification or ilure Addition MethodDirect addition / Dilution with water then addition / Continuous metering pump drip Recommended DosageTo be determined based on actual conditions through small-scale tests (no fixed recommended value in database) Application Suggestions Based on typical application fields of Defoamer King G470, the reference experimental dosage range by industry is as follows (the following are common empirical values in the industry, not officially calibrated data from Guoli Chemical, subject to actual on-site tests): Water treatment (aeration tank/sedimentation tank): Typically 10 to 100 ppm (i.e., 0.01 to 0.1 kg per ton of water), can be appropriately increased for severe biological foam Paint and ink manucturing: Usually 0.1% to 0.5% of the total formula, add part during grinding stage and supplement the rest during paint mixing stage Textile printing and dyeing processing: In high-temperature alkaline baths, reference 0.5 to 2 g/L, can be added along with auxiliaries into the dye bath Industrial cleaning: 0.1% to 0.5% of total cleaning solution, continuous metering addition recommended for CIP systems Metalworking fluids: 0.05% to 0.5% of circulating cutting fluid, adjust according to foam level Pulp and paper: 0.01% to 0.3% relative to pulp or coating system, continuously add at foam-prone points Precautions Diluted emulsion should not be stored for a long time; use within 24 hours to avoid spoilage Avoid freezing of the product (recommended storage temperature 5°C to 40°C); freezing may cause irreversible demulsification During operation, it is recommended to wear protective gloves and goggles to avoid prolonged direct contact with skin and eyes Be sure to conduct small-scale tests before use to determine the optimal dosage and addition point; excessive use may cause system turbidity or cost waste Do not mix or add simultaneously with incompatible substances such as strong oxidizers or strong acids After opening, use as soon as possible. Seal unused product to prevent moisture evaporation or external contamination

Question 9

In which industries and processes is Defoamer King FAG470 mainly applied?

Accepted Answer

Defoamer King G470 is a high-efficiency emulsion-type defoamer based on polyether-modified polysiloxane technology, widely used in seven major industries: water treatment, coatings and inks, textile printing and dyeing, industrial cleaning, metalworking fluids, petrochemical industry, and pulp and paper. It covers the foam control needs of various complex processes ranging from room temperature to high-temperature strong alkali conditions. Detailed Description Defoamer King G470, with its unique polyether-modified polysiloxane molecular structure, achieves both rapid bubble breaking and long-lasting foam suppression at extremely low addition levels. The product is supplied as a water-based emulsion, and its non-ionic nature allows it to disperse instantly in water. It also has good chemical compatibility with various system additives, making it less prone to side reactions or system cloudiness. Particularly outstanding is its ability to maintain chemical structural stability under harsh conditions such as high temperatures and strong alkalis, resisting demulsification or ilure, making it an ideal choice for tackling complex industrial foam problems. In terms of application, the "broad-spectrum adaptability" of Defoamer King G470 spans multiple industrial fields. Whether it is the elimination of biological foam in municipal wastewater treatment systems, the suppression of micro-foam and macro-foam during the high-speed dispersion of coatings, the defoaming task in high-temperature alkaline baths in textiles, or the foam control in high-temperature and high-pressure processes in petrochemicals — this product provides stable and reliable solutions, effectively improving production efficiency, preventing spillage losses, and ensuring final product quality. Detailed Main Application Industries and Processes Industry Specific Application Process/Stage Core Function Water Treatment Aeration tanks, sedimentation tanks, thickening tanks Rapidly break biological foam and surctant foam, ensuring process stability and effluent water quality Coatings and Ink Manucturing High-speed dispersion, grinding, filling and other processes Suppress micro-foam and macro-foam, prevent defects such as pinholes and shrinkage cavities in coatings, improve product appearance and adhesion Textile Printing and Dyeing Processing Desizing, scouring, bleaching, dyeing, and printing in hot and wet processes Eliminate large amounts of foam generated by additives and mechanical shear, avoid bric leveling issues and operational ilures; high-temperature and strong alkali resistance make it especially suitable for high-temperature alkaline baths Industrial Cleaning High-pressure spraying, ultrasonic cleaning, CIP inline cleaning systems Control foam height, ensure cleaning fluid circulation efficiency and equipment operation safety, without affecting cleaning power Metalworking Fluids Cutting fluids, grinding fluids, hydraulic fluid circulation systems Control foam caused by high-pressure spraying and recirculation stirring, maintain lubrication and cooling performance, prevent fluid tank overflow Petrochemical Processes Oil-gas separation, amine desulfurization, ethylene glycol dehydration, reactors, distillation towers Eliminate foam in organic and aqueous media, improve separation efficiency and product purity Pulp and Paper Pulp washing, bleaching, paper machine wet end, and coating processes Break foam generated by lignin, sizing agents, and wet strength resins, prevent quality defects such as holes and spots on paper surces Application Recommendations Before use, stir the product slightly to ensure uniformity. It can be added directly or diluted with several times its volume of water before being added to the foaming system. It is recommended to add continuously using a metering pump to the foam generation area (e.g., inlet of aeration tank, above high-speed dispersion tank) to achieve the best defoaming and foam suppression effects. The specific dosage should be determined through small-scale tests based on actual working conditions and foam severity. Generally, a starting addition amount of 0.01% to 0.1% of the total system weight is recommended, followed by gradual optimization. Precautions The product is a non-ionic defoamer, with good compatibility with anionic, cationic, and non-ionic systems, especially suitable for complex formulation processes. Storage temperature is recommended to be controlled at 5℃ to 40℃. Avoid freezing or continuous high temperatures to maintain emulsion stability. After opening, use as soon as possible. Unopened original containers remain stable under recommended storage conditions. The product is not classified as a hazardous chemical, has no acute toxicity, and is non-irritating to skin and eyes. However, it is still recommended to wear protective gloves and safety glasses when handling.

Question 10

What are the physical and chemical technical parameters of Defoamer King FAG470?

Accepted Answer

The core physical and chemical parameters of Defoamer King G470 include appearance, active content, pH value, and density, forming a stable non-ionic emulsion system. Detailed Description Defoamer King G470 is a high-efficiency emulsion-type defoamer based on polyether-modified polysiloxane technology, belonging to the non-ionic type. Its appearance is an easily identifiable milky white liquid, exhibiting excellent dispersibility in water, capable of instantly and uniformly distributing in the foaming medium. This product is specifically designed for harsh industrial defoaming scenarios, maintaining outstanding chemical stability even under high temperature and strong alkaline conditions. As a high-efficiency composite additive, its internal effective active substance content is strictly controlled at 20.0%~30.0%, ensuring rapid foam breaking and long-lasting foam suppression at extremely low dosage levels. The pH value of its 1% aqueous solution ranges from 5.0 to 8.0, lling within a neutral to weakly acidic/weakly alkaline range, making it very friendly to the application system. Technical Parameters Parameter Item Typical Value / Description Product Appearance Milky white liquid Ionic Type Non-ionic Active Content / Solid Content 20.0 ~ 30.0 % pH Value (1% Aqueous Solution) 5.0 ~ 8.0 Density (20℃) 0.85 ~ 1.05 g/cm³ Acid Value ≤ 1.0 mgKOH/g Water Content ≤ 1.0 % Water Solubility / Dispersibility Easily dispersible in water Heavy Metal Limit (as Pb) ≤ 10 mg/kg Arsenic Limit (As) ≤ 2 mg/kg Alkali Resistance Stability Good (Resistant to high temperature and strong alkali) CAS Number Not available HLB Value / Cloud Point / Viscosity Not available (Defoamers typically do not apply or specify these) Note: The above data are sourced from the product database of Haian Guoli Chemical Co., Ltd. (Guoli Chemical). Application Recommendations Given its non-ionic nature and broad chemical compatibility, Defoamer King G470 is recommended for use in high-temperature and high-alkali environments such as water treatment, textile printing and dyeing, industrial cleaning, and metalworking fluids. During specific application, it is recommended to continuously add it via a metering pump to the areas with the most vigorous foam generation to maximize its defoaming and foam suppression performance. Precautions Storage Environment: Should be strictly stored in a cool, ventilated place at 5℃~40℃, avoiding freezing and high-temperature exposure, otherwise, it may cause demulsification and affect product stability. Pre-use Operation: After long-term storage, slight stratification may occur, which is a normal physical phenomenon for emulsions. Stir gently before use; it does not affect core performance. Safety Protection: Although this product is not classified as a hazardous chemical and is non-irritating to the skin, it is still recommended to wear gloves and goggles during operation to avoid prolonged direct contact.

Super Defoamer FAG470

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Property	Value
Appearance	White to pale yellow viscous liquid
Ionic Type	Nonionic
Active Content	20.0~30.0
pH Value(1%)	5.0~8.0
Solubility	Readily dispersible in water
Acid Value	≤1.0
Moisture	≤1.0
Density	0.85~1.05
Chemical Stability	Stable under normal conditions
Foam Property	Highly effective defoaming/suppression
Alkali Resistance	Good
Melting Point	N/A (liquid)
Solid Content	20.0~30.0
Heavy Metal	≤10
Arsenic	≤2