Question 1

Is Rapid Penetrant T (Fast T-50) harmful to the human body? Does it have an impact on the environment?

Accepted Answer

Rapid Penetrant T (st T-50) has skin and eye irritation effects on the human body and is potentially harmful to aquatic organisms, but it can be used safely under standardized operations. It is not classified as highly toxic or carcinogenic. Detailed Explanation Rapid Penetrant T (st T-50), with the chemical name dioctyl sodium sulfosuccinate, is an anionic surctant. According to the GHS classification criteria, the signal word for this product is "Warning" (not "Danger"), and its overall hazard level is moderately low. It is not classified as an acutely toxic substance, nor does it have carcinogenic, mutagenic, or reproductive toxicity classifications; its main hazards are concentrated in local irritation. In terms of human health, this product is classified as Skin corrosion/irritation Category 2 and Serious eye damage/eye irritation Category 2A. This means that direct contact may cause skin redness, itching, and other irritation reactions, while splashing into the eyes may cause significant pain, tearing, and conjunctival congestion. It is worth emphasizing that these irritation effects are usually reversible, and under normal industrial use concentrations (such as after dilution), the irritation is significantly reduced. The product is not classified as a respiratory sensitizer or inhalation toxicant, but inhalation of vapors or mists should still be avoided during operation. Regarding environmental impact, Rapid Penetrant T is classified as Harmful to aquatic organisms (Acute Category 3), with the hazard statement H402. This means that if the product enters natural water bodies, it may cause harmful effects on fish, aquatic invertebrates, and algae. However, as an organic compound, it has a certain degree of biodegradability in the environment and is not a persistent organic pollutant. During production and use, strict closed systems and waste liquid recovery devices must be established, and untreated waste liquid is strictly prohibited from being discharged directly into public water bodies. Technical Parameters ParameterContent Product NameRapid Penetrant T / st T-50 Chemical NameDioctyl sodium sulfosuccinate CAS No.577-11-7 Ion TypeAnionic surctant GHS Signal WordWarning PictogramGHS07 (Exclamation mark) Skin corrosion/irritationCategory 2 — H315: Causes skin irritation Serious eye damage/eye irritationCategory 2A — H319: Causes serious eye irritation Aquatic hazardAcute Category 3 — H402: Harmful to aquatic life Acute oral toxicityNot available (Not classified as an acutely toxic substance) Carcinogenicity/MutagenicityNot classified Application Suggestions In practical applications, Rapid Penetrant T is usually used in the form of diluted working solutions, which greatly reduces its irritation risk. In the following application scenarios, as long as standardized operations are followed, the actual risks to human health and the environment are controllable: Textile printing and dyeing: When used as a penetrant, the working solution concentration is low, and operators can effectively protect themselves by wearing conventional protective equipment. Pesticide formulations: As a spreading and penetrating synergist, the final dilution ratio in the field is extremely high, and the safety to humans, livestock, and environmental compatibility are acceptable under compliant use. Emulsion polymerization: The product is chemically bonded into the polymer matrix during the polymerization reaction, resulting in very low free components in the finished product. Leather and paper industry: Operated in closed process systems, combined with wastewater treatment systems, the risk of environmental discharge can be effectively controlled. Precautions Personal protection: During operation, chemical safety goggles, impermeable gloves, and protective clothing must be worn. After operation, thoroughly wash hands and exposed skin according to P264 requirements. Skin contact: Handle according to P302+P352 — rinse the affected area immediately with plenty of water; if skin irritation occurs, seek medical attention according to P332+P313. Eye contact: Handle according to P305+P351+P338 — rinse carefully with water for several minutes; if wearing contact lenses and easy to remove, remove them and continue rinsing; if eye irritation persists, seek medical attention according to P337+P313. Environmental protection: According to P273, avoid release to the environment. Waste liquid must be collected and disposed of in accordance with regulations; direct discharge into sewers or natural water bodies without treatment is strictly prohibited. Storage requirements: Store in a sealed container at room temperature and pressure, in a cool, dry, and well-ventilated place, away from strong oxidizers and strong acids, and away from sources of ignition and heat.

Question 2

What should I do if problems occur during the use of Rapid Penetrating Agent T (Quick T-50)? How to obtain technical support?

Accepted Answer

If problems occur during the use of Rapid Penetrating Agent T (Quick T-50), immediately stop the operation, follow safety emergency procedures, and then contact the technical team of Guoli Chemical for professional support. Detailed Explanation During the use of Rapid Penetrating Agent T (Quick T-50, CAS No.: 577-11-7, chemical name: Dioctyl sulfosuccinate sodium salt), the problems encountered can usually be divided into three categories: abnormal application effects, equipment or process compatibility issues, and emergency safety incidents such as material leakage or personnel exposure. Regardless of the situation, the primary principle is to ensure personnel safety and environmental protection before conducting technical troubleshooting. Avoid blindly adjusting the formula to prevent cross-contamination or chemical reaction risks. This product is an anionic surctant with excellent tolerance to strong acids, strong alkalis, and hard water. However, if issues such as decreased penetration, uneven wetting, or unstable emulsion occur, it is recommended to first check the pH environment of the working solution, water hardness, addition order, and whether incompatible cationic auxiliaries have been introduced. If the problem persists, retain samples from the problematic batch and product packaging information for subsequent technical analysis. Quick Troubleshooting Guide for Common Issues Based on product characteristics, we have compiled the following typical issues and emergency references: Problem TypePossible CauseRecommended Checks Insufficient penetration effect (longer canvas sedimentation time)Excessive dilution of working solution, presence of cationic interferents, or extreme pH deviationRecheck the dosage, measure the pH of working solution (product itself pH 5-7), check the ionicity of other auxiliaries in the formulation Oil drift, delamination, or emulsion destabilizationExcessive electrolyte concentration, sudden temperature change, or improper emulsification process parametersOptimize feeding sequence, check the monomer-to-water ratio, control polymerization temperature Abnormal product appearance (turbidity, precipitation)Storage temperature too low, unsealed container leading to water absorption or contaminationConfirm storage conditions (room temperature, normal pressure, sealed), take samples for testing Skin/eye contact irritationInadequate personal protectionImmediately rinse with plenty of clean water, seek medical attention as per safety instructions; strengthen PPE use Leakage or environmental dischargeContainer damage, operational errorContain and collect with inert absorbent material, do not discharge into sewers Emergency Safety Measures (Quoted from Product Safety Data Sheet) Skin contact: Immediately flush with plenty of water (P302+P352). If skin irritation occurs, seek medical advice (P332+P313). Eye contact: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing (P305+P351+P338). If eye irritation persists, seek medical advice (P337+P313). Spill handling: Wear protective equipment, contain with sand, vermiculite or other inert materials, collect in a closed container and dispose of according to regulations. Avoid discharge into sewers or the environment (P273). Protection requirements: Wear chemical safety goggles, impermeable gloves and protective clothing during operation (P280), wash thoroughly after handling (P264). How to Obtain Technical Support from Guoli Chemical When you have completed preliminary troubleshooting and cannot resolve the issue, or need in-depth application analysis for a specific formulation, please contact the technical service team of Hai'an Guoli Chemical Co., Ltd. directly. It is recommended that you prepare the following information in advance to help the technical engineer quickly identify the problem: Product batch number and production date (visible on the drum label) Specific formulation and process parameters currently in use (dosage, pH, temperature, addition sequence, etc.) Detailed description of the issue and sample photos/videos (for abnormal appearance or application effect comparison) Water quality report (if involving hard water or water-sensitive processes) How to obtain contact information: You can check the latest technical support hotline and email through the "Service Support" section on Guoli Chemical's official website or the quality certificate/Safety Data Sheet (SDS) accompanying the product. The database currently does not have real-time contact information. It is recommended to visit the official website to leave a message online or call the headquarters, and the relevant personnel will respond promptly during working days. Notes This product is classified under GHS as Skin Irritant Category 2, Serious Eye Irritant Category 2A, and harmful to aquatic life (Acute Category 3). Always operate according to specifications and do not discharge arbitrarily. Keep away from strong oxidizers and strong acids; avoid opening containers near ignition sources. Any technical support consultation is free of charge. For product quality issues, please retain the original packaging for traceability.

Question 3

How to purchase Rapid Penetration T (Fast T-50)? What is the minimum order quantity?

Accepted Answer

To purchase Rapid Penetration T (st T-50), please directly contact the sales team of Guoli Chemical. The minimum order quantity is not publicly available; it is recommended to confirm after consultation. Detailed Description Rapid Penetration T (st T-50) is one of the core products of Haian Guoli Chemical Co., Ltd., with the chemical name Dioctyl Sodium Sulfosuccinate (CAS No.: 577-11-7), belonging to the category of high-efficiency anionic surctants. This product is widely used in textile printing and dyeing, pesticide formulations, emulsion polymerization, leather processing, and the paper industry. Currently, the product price is not publicly listed on the official website; the actual transaction price needs to be negotiated with the sales team based on the order specifications, quantity, and current market conditions. If you wish to make a purchase, it is recommended to directly visit the official website of Guoli Chemical (www.guolichemical.com) or call the sales department to obtain the latest quotation and product samples. When ordering, you may request the Certificate of Analysis (COA) and Safety Data Sheet (SDS) to fully understand the product performance and safety operating requirements. Packaging Specifications According to the product database, Rapid Penetration T (st T-50) is available in the following standard packaging specifications: Packaging TypeSpecificationApplicable Scenario Plastic Drum50kg/drumSmall-scale trials or small to medium batch production Plastic Drum200kg/drumRoutine industrial production batch procurement IBC ToteApprox. 1000kg/toteLarge-scale continuous production, reducing packaging and logistics costs Application Recommendations Before ordering, it is recommended to clarify your specific application, as different scenarios require different product concentrations and performance: In textile printing and dyeing auxiliaries, a working fluid concentration of 0.1%~1.0% is typically used; in pesticide formulations, the additive amount as a synergist is generally 0.05%~0.5% of the total liquid; in emulsion polymerization, the amount as an emulsifier is 0.5%~3.0% of the monomer amount. If customized active content or special packaging is needed, please communicate with the sales engineer when ordering. Precautions This product is an anionic surctant; compatibility tests should be conducted when mixing with cationic auxiliaries. The product is hygroscopic. After opening, use as soon as possible, and seal the remaining material for storage in a cool, dry place. Regarding the Minimum Order Quantity (MOQ): There is no clear MOQ data in the database. It is recommended to confirm the minimum order requirement with the sales representative for the first purchase. Typically, small sample-sized orders may be supported for preliminary testing.

Question 4

Does Rapid Penetrant T/Quick T-50 meet environmental requirements? Can test reports be provided?

Accepted Answer

Rapid Penetrant T/Quick T-50 carries the environmental warning label "Hazardous to aquatic life". It is not a highly environmentally friendly product, but it can be legally used in industrial production under the premise of compliant operation and proper disposal of waste liquid. Detailed Explanation The environmental compliance of Rapid Penetrant T (Quick T-50) needs to be viewed from two aspects. First, according to the GHS classification data of the product, its environmental hazard level is "Hazardous to aquatic life — Acute Category 3", with the hazard statement being H402. This means the product poses a potential risk to the aquatic environment and is not a green environmentally friendly auxiliary. The product safety instructions clearly require: "During production and use, strict closed systems and residue recovery devices must be established, and untreated waste liquid is strictly prohibited from being directly discharged into public water bodies" (P273: Avoid release to the environment). However, this does not mean the product is banned. Chemicals with H402 classification are widely present in the global chemical industry. As long as enterprises strictly implement waste liquid collection and treatment systems, and discharge residues after degradation to compliance standards through wastewater treatment cilities, they can meet current environmental regulations. For downstream users such as textile dyeing and printing plants or pesticide formulation plants, the key is whether they have the corresponding wastewater treatment capacity, rather than whether the product itself is "environmentally friendly". From the trend of substitution, restrictions on APEO (alkylphenol ethoxylates) substances have become increasingly stringent in recent years, but Rapid Penetrant T belongs to sulfosuccinate anionic surctants, which are APEO-free and meet the APEO bans under EU REACH regulations and relevant domestic standards. This is one of the important reasons for its continued market acceptance. Regarding Test Reports Based on the current product database information of Guoli Chemical, no ready-made SGS test reports, RoHS reports, or MSDS files are available for direct download. Test reports are usually business documents provided on a one-to-one basis between manucturers and customers. It is recommended to obtain them through the following methods: Contact the sales or technical department of Hai'an Guoli Chemical Co., Ltd. directly, specifying the type of report needed (e.g., SGS, RoHS, REACH compliance declaration, MSDS, COA batch test report). Clearly inform your application scenario and environmental standard requirements (e.g., REACH compliance document for export to EU, TSCA compliance document for export to USA), so that the manucturer can provide corresponding special reports. Conventional complete documents usually include: Certificate of Analysis (COA) for ctory release, Material Safety Data Sheet (MSDS/SDS); special test reports require separate application. Application Recommendations If your application scenario has strict environmental requirements (e.g., export textiles need OEKO-TEX certification, pesticide adjuvants need to meet green food production standards), it is recommended to complete the following assessments before using Rapid Penetrant T: Confirm residual limits in final products: Verify with downstream customers or certification bodies the maximum allowable residue of this product in the finished product. Evaluate wastewater treatment capacity: Ensure that the production workshop's wastewater treatment system can degrade sulfosuccinate surctants. Consider alternatives: If a higher environmental grade is needed, consult Guoli Chemical about alternative products with better biodegradability (e.g., rapid penetrant series based on natural tty acids). Precautions This product must not be directly discharged into natural water bodies or public sewers. Residual liquid after use must be collected and disposed of by qualified hazardous waste treatment units. During storage and transportation, leakage must be prevented. Leaked material should be collected with sand, soil, or inert absorbent materials, and should not be washed into the drainage system with water. If export business is involved, confirm in advance the specific restrictions of the target country/region's chemical management regulations on this product.

Question 5

What are the advantages of Quick Penetrating T (Fast T-50) compared to other similar products?

Accepted Answer

Compared to traditional penetrants such as JFC and Penetrant BX, Quick Penetrating T (st T-50) offers core advantages: extremely st penetration speed (canvas sedimentation ≤5 seconds), outstanding resistance to acids, alkalis, and hard water stability, low foaming and easy rinsing, and excellent emulsification and dispersion capabilities. It is a truly versatile multi-condition anionic surctant. Detailed Explanation Quick Penetrating T (dioctyl sodium sulfosuccinate, CAS 577-11-7) differs most significantly from common penetrants on the market such as JFC (tty alcohol polyoxyethylene ether, nonionic) and Penetrant BX (alkyl naphthalene sulfonate, anionic) and Spreading Agent BX due to its diester-type anionic molecular structure. This structure imparts extremely high surce activity efficiency—at a low concentration of 0.5% aqueous solution, the penetration time is only ≤5 seconds (canvas sedimentation method), r superior to most traditional penetrants. This allows it to act instantaneously at the solid-liquid interce, achieving deep and rapid wetting. This advantage is highly valuable in process scenarios requiring short-term, high-intensity penetration, such as continuous dyeing and rapid pad dyeing. In terms of chemical stability, Quick Penetrating T exhibits the "three resistances" characteristic of resistance to acids, alkalis, and hard water. Traditional nonionic penetrants (such as JFC) are prone to hydrolysis or cloud point effects under strong acid or strong alkali high-temperature conditions, leading to performance degradation or even precipitation and ilure. In contrast, Quick Penetrating T maintains stable chemical activity and excellent penetration ability in extreme pH and hard water environments, without hydrolysis, precipitation, or oil floating. Additionally, its low foaming property is another significant advantage over JFC-type products—JFC penetrants generate abundant foam, which can cause foaming issues in dynamic processes like spraying and overflow. However, Quick Penetrating T is a low-foaming surctant that requires no additional defoamer during use, simplifying process control and making it especially suitable for modern high-speed, high-pressure, high-temperature textile dyeing equipment and industrial cleaning scenarios. Furthermore, Quick Penetrating T possesses excellent emulsifying and dispersing capabilities (HLB value of about 13.5), making it not only a simple penetrant but also a "multi-functional agent" in formulations. In textile auxiliaries, it can simultaneously perform penetration, emulsification, and leveling functions; in pesticide formulations, it acts as a spreading and penetrating synergist while also assisting in emulsifying the technical material; in emulsion polymerization, it can directly participate in the reaction as an anionic emulsifier. This comprehensive performance allows for simpler formulation design, and the overall cost may be lower than traditional solutions requiring multiple auxiliary agents. Technical Parameters Comparison IndicatorQuick Penetrating T \/ st T-50JFC (Nonionic Penetrant)Penetrant BX (Spreading Agent) Ionic TypeAnionicNonionicAnionic Penetration Power (Canvas Sedimentation Method)≤5 seconds (0.5% aqueous solution)Approx. 15~60 secondsApprox. 10~30 seconds Surce Tension≤30 mN\/mApprox. 28~35 mN\/mApprox. 35~40 mN\/m HLB ValueAbout 13.5About 10~13— CMC (Critical Micelle Concentration)~0.1~0.4 g\/LAbout 0.1~1.0 g\/LHigher Acid ResistanceExcellent (Acid-resistant)Average (Easily deactivated under acidic conditions)Good Alkali ResistanceExcellent (Alkali-resistant)Poor (Cloud point precipitation in high-temperature alkali)Good Hard Water\/Electrolyte ResistanceExcellentAverageir Foaming CharacteristicLow FoamMedium to High FoamMedium Foam Emulsifying AbilityStrongMediumWeak Active Content≥50% (st T-50 type)≥99% (Concentrate type)— Diester Content (Purity)≥95% (Based on pure active matter)—— pH (1% Aqueous Solution)5.0~7.06.0~8.07.0~9.0 Note: In the above data, the parameters for Quick Penetrating T are from the product database of Guoli Chemical; data for JFC and Penetrant BX are general industry reference values. Application Recommendations Based on the comprehensive advantages of Quick Penetrating T, it is recommended to prioritize it in the following application scenarios: Textile pretreatment and dyeing: Especially in process environments requiring strong alkali resistance (e.g., mercerizing, weight reduction) or acid resistance, as well as high-speed continuous dyeing lines. The low foam and extremely st penetration characteristics of Quick Penetrating T can significantly reduce color spots and improve levelness. Recommended dosage: 0.1%~0.5% of the working solution. Pesticide formulations and tank-mix synergism: As a spreading and penetrating synergist, Quick Penetrating T greatly enhances the spreadability of the spray liquid on hydrophobic plant leaves and insect surces, promoting systemic uptake. Typical addition rate: 0.02%~0.1% of the diluted spray solution. High-quality emulsion polymerization: As an anionic emulsifier participating in monomer pre-emulsification and polymerization processes, it utilizes its low CMC and strong emulsifying power to suppress gel formation and control latex particle size. Recommended dosage: 0.5%~2.0% of total monomer weight. Industrial hard surce cleaning: Leveraging its resistance to hard water, low foam, and strong penetration, it is suitable for high-pressure spray cleaning and heavy oil removal scenarios. It can be used alone or combined with nonionic surctants. Precautions Quick Penetrating T is an anionic surctant. When combined with cationic auxiliaries (e.g., cationic softener, fixing agent), precipitation or antagonistic effects may occur. Avoid direct combination in formulations or verify compatibility through pre-tests. The product is irritating to skin and eyes (GHS classification: Skin irritation Category 2, Serious eye irritation Category 2A). Must wear impermeable gloves and protective goggles during operation. This substance has a potentially harmful effect on aquatic organisms. Treat residual liquid in accordance with environmental regulations; do not discharge directly into water bodies without treatment. This product is hygroscopic. Seal promptly after opening; avoid prolonged exposure to humid air to prevent dilution or contamination.

Question 6

How to store Rapid Penetrating T (Fast T-50)? What is its shelf life?

Accepted Answer

Rapid Penetrating T (st T-50) should be stored sealed in a cool, dry, and well-ventilated place; it remains stable at room temperature; the shelf life is typically 12 months (under original sealed conditions), subject to the ctory quality inspection report. Detailed Description Rapid Penetrating T (st T-50) is a chemically stable anionic surctant that is not prone to hydrolysis or deterioration under normal storage conditions. However, due to its high active content (≥50%) and hygroscopic nature, container sealing is the key ctor affecting storage life. Improper sealing leading to moisture ingress or solvent evaporation may cause product stratification, viscosity changes, or reduction of active ingredients, thereby affecting penetration performance and emulsification effects. In the product database, Guoli Chemical has not yet listed a specific shelf life number. The industry convention for such sulfosuccinate sodium salt surctants is: under original unopened conditions, the quality is most stable within 12 months from the production date. After opening, it is recommended to use within 6 months, and the container must be resealed immediately after each withdrawal to reduce contact time with air and moisture. If the product exceeds the recommended storage period, it is recommended to sample and test key indicators (such as penetration power, pH value, solid content, and appearance) before use, and continue use only after confirming no abnormalities. Technical Parameters ParameterSpecification Value AppearanceColorless to light yellow transparent viscous liquid Storage TemperatureNormal temperature and pressure Packaging Specification50kg plastic drum / 200kg plastic drum / IBC tote Flash Point (Closed Cup)>100 °C HygroscopicityHygroscopic Chemical StabilityResistant to acid, alkali, and hard water Application Recommendations Whether used in textile dyeing, pesticide formulations, or emulsion polymerization, the stability of the product's active ingredients directly affects process performance. It is recommended to adopt a "first-in, first-out" inventory rotation principle and record the opening date of each batch. For users with IBC tote packaging, if the material is dispensed, the remaining material should be transferred to a small-diameter dispensing container and the lid tightly sealed to avoid leaving headspace air in the large container for a long time. Precautions Away from incompatible substances: Avoid contact with strong oxidizers and strong acids during storage to prevent chemical reactions that may cause product ilure. Away from fire and heat sources: Although the flash point is relatively high (>100 °C), it should still be kept away from open flames and high-temperature equipment. Spill emergency preparedness: The storage area should be equipped with inert absorbent materials (such as sand, vermiculite) to deal with accidental spills. Spilled material must be placed in a sealed container and disposed of according to regulations; it is strictly forbidden to discharge into drains. Environmental control: This product is harmful to aquatic life (H402). The storage area must have dikes or spill containment cilities to prevent waste liquid from directly entering environmental waters.

Question 7

What safety precautions should be taken when using Quick Penetrant T, Fast T-50?

Accepted Answer

When using st T-50, special attention must be paid to preventing skin/eye irritation and environmental hazards. Wear protective equipment throughout the operation and avoid direct discharge of waste liquid into the environment. Detailed explanation Quick Penetrant T (st T-50) is an anionic surctant. According to its GHS classification, this product is classified as Skin irritant category 2 and Serious eye damage/eye irritation category 2A, and also has acute toxicity to aquatic life (category 3). In daily operations, skin contact may cause redness, itching, and other irritant reactions. If it accidentally enters the eyes, it can cause severe discomfort or even damage. Therefore, personal protection is the first line of defense for safe use. Environmental safety is equally important. This product is harmful to aquatic life. If untreated waste liquid is directly discharged into sewers or natural water bodies, it may cause potential harm to aquatic ecosystems such as fish and algae. Production enterprises and users must establish strict closed systems and residue recovery devices to ensure that waste liquid is properly treated before disposal. Do not discharge it arbitrarily. Safe operation guide Personal protective equipment (PPE) Eye protection: Wear chemical safety goggles or a full-ce shield to prevent splashes from entering the eyes. Hand protection: Use impermeable chemical protective gloves (e.g., nitrile rubber gloves) to avoid direct skin contact. Body protection: Wear protective clothing to reduce exposed skin area. Respiratory protection: Although not mandatory, ensure good ventilation in the workplace. Wear a protective mask if necessary. Operation specifications Do not eat, drink, or smoke during operation to avoid accidental ingestion. After operation, thoroughly wash hands and exposed skin with soap and water (following P264 prevention principles). The work area should be equipped with an eyewash station and safety shower to ensure immediate rinsing in emergencies. Keep away from strong oxidizers and strong acids to avoid hazardous reactions. Emergency response measures Emergency situationTreatment measures Skin contactImmediately rinse with plenty of water (P302+P352). If irritation persists or worsens, seek medical attention (P332+P313). Eye contactImmediately rinse carefully with water for several minutes; if wearing contact lenses and easy to remove, remove them and continue rinsing (P305+P351+P338). If eye irritation persists, seek medical attention (P337+P313). Spill handlingWear protective equipment, use inert absorbent materials such as sand or vermiculite to contain and collect the spill, place it in a sealed container, and dispose of it according to regulations. Do not flush into sewers or discharge into the environment (P273). Fire responseThis product is not flammable, but in case of fire, use extinguishing media suitable for the surrounding fire type. Avoid allowing firefighting water to flow directly into the environment. Storage conditions Store in a cool, dry, well-ventilated warehouse, keep the container sealed to prevent leakage. The storage temperature is normal temperature and pressure, away from fire and heat sources, and avoid mixing storage with strong oxidizers and strong acids. It is recommended to set up leak-proof trays or containment dikes in the warehouse to prevent accidental spillage. Precautions The signal word for this product is Warning, with GHS pictogram GHS07 (exclamation mark). Be sure to read and understand the Safety Data Sheet (SDS) before operation. The disposal of waste liquid and waste must comply with local environmental regulations, and must not be dumped or landfilled arbitrarily. Although st T-50 has excellent chemical stability in strong acid, strong alkali, and hard water systems, it is still necessary to avoid direct mixing with incompatible substances (such as strong oxidizers) during use to prevent unforeseen chemical reactions. It is recommended to regularly train operators on safety to ensure they are miliar with emergency flushing and spill handling procedures.

Question 8

How to use Quick Penetrant T (Fast T-50)? What is the recommended dosage?

Accepted Answer

Quick Penetrant T (st T-50) is a high-concentration anionic surctant solution. It should be stirred thoroughly before use and diluted within the recommended dosage range according to the specific application scenario. The specific dosage varies by industry process, typically between 0.05% and 2%. Detailed Description Quick Penetrant T (st T-50) has an active content ≥50%. It is a colorless to light yellow transparent viscous liquid. It is easily soluble in water. It is recommended to pre-dilute with warm water or process water to an intermediate concentration of 10%~20% before adding to the working system to ensure uniform dispersion and achieve optimal penetration performance. This product has excellent chemical stability, resistant to acids, alkalis, and hard water, and can be used under a wide range of pH and electrolyte conditions, offering strong operational flexibility. The product exhibits outstanding rapid penetration capability — in a 0.5% aqueous solution, the canvas sedimentation test shows penetration time ≤5 seconds. Therefore, in practical applications, a high dosage is usually not required to achieve ideal wetting and spreading effects. At the same time, this product is a low-foaming surctant, which is less likely to generate foam interference under high-speed stirring or circulation spraying conditions, making it particularly suitable for continuous industrial production processes. Technical Parameters Parameter ItemTypical Value/RangeData Source Active Content≥50% (st T-50)Guoli Chemical Product Specifications Ionic TypeAnionicGuoli Chemical Product Data HLB Value13.5Guoli Chemical Product Data pH Value (1% Aqueous Solution)5.0~7.0Guoli Chemical Product Data Penetration Power (0.5% Aqueous Solution, Canvas Sedimentation Method)≤5 secondsGuoli Chemical Product Data Critical Micelle Concentration (CMC)Approx. 0.1~0.4 g/LGuoli Chemical Product Data Surce Tension (1% Aqueous Solution)≤30 mN/mGuoli Chemical Product Data Foam CharacteristicsLow FoamingGuoli Chemical Product Data Chemical StabilityResistant to acids, alkalis, and hard waterGuoli Chemical Product Data Flash Point>100°CGuoli Chemical Product Data Application Recommendations Note: The following recommended dosages are general industry experience values. Specific dosages should be determined through trial based on the actual formulation and process conditions. The Guoli Chemical product database does not currently include precise dosage data for each application field. Usage Methods and Recommended Dosages for Various Application Fields 1. Textile Dyeing and Finishing Auxiliaries Pretreatment (Desizing, Scouring, Bleaching): Recommended dosage is 0.1%~0.5% of the working liquor. During desizing or scouring, add the pre-diluted st T-50 to the desizing or scouring solution to accelerate the penetration of alkali into the fibers, improving the removal of sizing agents and impurities. Dyeing Process: Recommended dosage is 0.05%~0.3% of the total dye liquor. Add during the preparation of the dye liquor to reduce the surce tension of the dye bath, promote uniform diffusion of dye into the fibers, and effectively prevent uneven dyeing and color spots. Finishing (Softening, Water Repellent, Flame Retardant Finishing): Recommended dosage is 0.1%~0.5% of the finishing liquor, helping the finishing agent penetrate evenly into the bric and enhance the durability of the finishing effect. 2. Pesticide Formulations Liquid Pesticide Formulations (EC, EW, SC, SL, etc.): Recommended dosage is 1%~5% of the total formulation. Add together with other auxiliaries during the blending stage and stir evenly. Tank-Mix Enhancement (Ready-to-Use): When used as a spray adjuvant, add 0.02%~0.1% to the diluted spray solution (approximately 20 to 100 grams of st T-50 per 100 liters of water). This significantly improves the spreading, adhesion, and penetration of the spray liquid on hydrophobic leaves and target surces. 3. Emulsion Polymerization As an anionic primary emulsifier or co-emulsifier, the recommended dosage is 0.5%~3% of the total monomer weight. Typically, dissolve st T-50 in deionized water during the pre-emulsification stage, then mix with monomers and perform high-speed shear emulsification to obtain a pre-emulsion with uniform particle size and stable storage, which is then polymerized to produce synthetic latex with excellent performance. 4. Leather Processing Soaking/Rewetting Process: Recommended dosage is 0.1%~0.3% of the water volume, which accelerates the penetration of water and chemicals into the leather fibers, shortening soaking time. Degreasing Process: Recommended dosage is 0.3%~0.5%, used in conjunction with degreasing agents to improve oil emulsification and dispersion. 5. Paper Industry Internal Addition: Recommended dosage is 0.05%~0.2% of the absolute dry pulp, enhancing uniform penetration and retention of sizing agents and fillers. Surce Coating: Recommended dosage is 0.1%~0.3% of the total coating solution, improving the uniformity of coating spreading and adhesion to the paper base. Precautions Pre-dilution: st T-50 is a high-viscosity liquid; direct addition may cause uneven dispersion. It is recommended to dilute with process water to 10%~20% before adding to the working system. Personal Protection: The product is a skin irritant and eye irritant (GHS Category 2/2A). Wear impermeable gloves, chemical safety goggles, and protective clothing during operation. In case of contact with skin or eyes, rinse immediately with plenty of water. Storage: Store in a cool, dry, and well-ventilated area, keeping the container sealed. The product is hygroscopic; use promptly after opening and re-seal. Environmental Discharge: The product is harmful to aquatic organisms. Do not discharge untreated waste liquid containing this product into natural water bodies. Establish a residual liquid recovery or wastewater treatment system in the production process. Compatibility Verification: Before compounding with other auxiliaries or chemicals, it is recommended to conduct small-scale compatibility tests to confirm no precipitation, layering, or stability issues before batch application. <

Question 9

In which industries and processes are Quick Penetrant T / Quick T-50 mainly used?

Accepted Answer

Quick Penetrant T / Quick T-50 is widely used in five major industries: textile printing and dyeing, pesticide formulations, emulsion polymerization, leather processing, and papermaking, where it plays a core role as an efficient penetrating and wetting agent. Detailed Description Quick Penetrant T (Quick T-50), chemically known as Dioctyl sulfosuccinate sodium salt (CAS No.: 577-11-7), is an efficient anionic surctant. Its core advantage lies in its extremely high penetration efficiency and excellent wetting and spreading ability, enabling instantaneous action at the solid-liquid interce to achieve deep wetting. Moreover, it maintains excellent chemical stability and activity in strong acid, strong alkali, and high-concentration electrolyte (hard water) systems without hydrolysis or precipitation, making it an irreplaceable auxiliary under many harsh process conditions. In different industries, Quick Penetrant T plays distinctive and critical roles. In textile printing and dyeing, it serves as a "guardian" of dye leveling; in pesticide formulations, it acts as a "synergist" for drug penetration; in emulsion polymerization systems, it functions as a "regulator" of latex particle size. The specific application processes in each industry are detailed below. Application Recommendations Industry Application Process Functional Description Textile Printing and Dyeing Auxiliaries Pretreatment, Dyeing, Finishing Significantly reduces the surce tension of the working liquid, promoting rapid penetration of dyes and finishing agents along the fiber into the interior, increasing dye uptake rate and leveling, reducing dyeing defects, and preventing "bottom revealing" phenomena. Pesticide Formulations Spreading and Penetration Enhancement Enhances the wetting, spreading, and penetration ability of the pesticide liquid on plant stems and leaves as well as the surce of target pests, allowing active ingredients to more easily penetrate the cuticle or body wall, exert systemic and contact effects, and improve control efficacy. Emulsion Polymerization Monomer Pre-emulsification, Polymerization Dispersion Used as an anionic emulsifier and dispersant to effectively stabilize monomer droplets, control latex particle size, and improve the storage and mechanical stability of synthetic latex. Widely used in synthetic resin, coating, and adhesive systems. Leather Processing Agents Soaking, Rewetting, Degreasing, tliquoring Accelerates the uniform diffusion of water and auxiliaries into the fiber network of leather, shortening process time and imparting excellent softness and full hand feel to the leather. Papermaking Industry Auxiliaries Internal Sizing, Surce Coating Enhances the uniform penetration and retention of sizing agents, fillers, and functional auxiliaries, improving the ring crush strength, water resistance, and surce printability of paper. Precautions Safety Protection: This product is classified under GHS as Skin Irritant (Category 2) and Serious Eye Irritant (Category 2A). Must wear chemical protective gloves, safety goggles, and protective clothing during operation. Wash hands and exposed skin thoroughly after handling. Environmental Protection: Harmful to aquatic life (Acute Category 3). During production and use, a closed system and waste liquid recovery device must be established. Strictly prohibited to discharge untreated waste liquid directly into public water bodies. Storage Conditions: Store in a cool, dry, well-ventilated warehouse. Keep container tightly closed. Keep away from strong oxidizers and strong acids. Store at normal temperature and pressure. Emergency Treatment: In case of skin contact, rinse with plenty of water. In case of eye contact, rinse carefully with water for several minutes, remove contact lenses if present, and continue rinsing. If irritation persists, seek medical attention. In case of spillage, contain with inert absorbent material (sand, vermiculite) and collect.

Question 10

What are the physicochemical technical parameters of Rapid Penetrant T, Kuai T-50?

Accepted Answer

Comprehensive Analysis of Physicochemical Parameters of Rapid Penetrant T (Kuai T-50) — Typical Anionic Surctant, HLB Value ~13.5, Penetration Force ≤5 Seconds, Easily Soluble in Water, Resistant to Acid, Alkali and Hard Water Detailed Description Rapid Penetrant T (Kuai T-50), chemical name Sodium Dioctyl Sulfosuccinate (CAS No.: 577-11-7), molecular formula C20H37NaO7S, molecular weight 444.56, is a high-efficiency anionic surctant produced by Guoli Chemical. The product appearance is colorless to light yellow transparent viscous liquid, active content ≥50% (Kuai T-50 is a 50% solution specification, with a high-concentration specification up to 75%), stable under normal temperature and pressure. The most prominent performance feature of this product is its excellent rapid penetration capability — under 0.5% aqueous solution concentration, using the canvas sedimentation method, the penetration time is ≤5 seconds, r superior to conventional penetrants. Its surce tension can be reduced to ≤30 mN/m, critical micelle concentration (CMC) is about 0.1~0.4 g/L, indicating excellent intercial activity at very low dosages. Meanwhile, the HLB value of the product is about 13.5, combining good emulsification and dispersion functions, with outstanding chemical stability, no hydrolysis or precipitation in strong acid, strong alkali, and hard water systems. The pH range of Kuai T-50 is 5.0~7.0 (1%~5% aqueous solution), weakly acidic to neutral, with good compatibility with most formulation systems. The foam characteristic of the product is low-foaming, which does not easily generate excessive foam to interfere with process operations during use. Acid value ≤1.5 mgKOH/g, saponification value about 252 mgKOH/g, diester content (based on active matter) ≥95%, free alcohol content ≤0.5%, ensuring high product purity and low risk of side reactions. Total heavy metals ≤20 mg/kg, arsenic content ≤2 mg/kg, meeting industrial application safety standards. Technical Parameters Parameter Item Technical Index Chemical Name Sodium Dioctyl Sulfosuccinate (Sodium Diisooctyl Sulfosuccinate) CAS No. 577-11-7 Molecular Formula C20H37NaO7S Molecular Weight 444.56 Ionic Type Anionic Appearance (25°C) Colorless to light yellow transparent viscous liquid Active Content ≥50% (Kuai T-50 specification); 50%~75% (different specifications) Water Content ≤50% pH Value (1% Aqueous Solution) 5.0~7.0 pH Value (5% Aqueous Solution) 5.0~7.0 HLB Value ~13.5 Surce Tension (25°C) ≤30 mN/m Critical Micelle Concentration (CMC) ~0.1~0.4 g/L Penetration Force (0.5% Aqueous Solution, Canvas Sedimentation Method) ≤5 seconds Density (25°C) ~1.10 g/cm³ Kinematic Viscosity (25°C) ~200~400 mm²/s Low Shear Viscosity ~200~400 mPa·s Refractive Index (25°C) ~1.445 Flash Point >100 °C Freezing Point None (liquid at room temperature) Cloud Point None (anionic, not applicable) Acid Value ≤1.5 mgKOH/g Saponification Value ~252 mgKOH/g Diester Content (Based on Active Matter) ≥95% Free Alcohol Content ≤0.5% Hydroxyl Value None Iodine Value None Amine Value None Foam Characteristic Low foaming Chemical Stability Resistant to acid, alkali, and hard water Solubility Easily soluble in water Hygroscopicity Hygroscopic Total Heavy Metals

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Property	Value
CAS No.	577-11-7
Molecular Formula	C20H37NaO7S
Appearance	Colorless to pale yellow transparent liquid
Ionic Type	Anionic
Avg. Molecular Weight	444.56
Active Content	50%~75%
pH Value(1%)	5.0~7.0
pH Value(5%)	5.0~7.0
Solubility	Readily soluble in water
Surface Tension	≤30
CMC	~0.1~0.4 g/L
Acid Value	≤1.5
Saponification Value	~252
Moisture	≤50%
Density	~1.10
Kinematic Viscosity	~200-400 mm²/s
Refractive Index	~1.445
Flash Point	>100 °C
Hygroscopicity	Hygroscopic
Chemical Stability	Resistant to acids, alkalis and hard water
Penetration	≤5 s (0.5% aq., canvas disc)
Foam Property	Low foam
Alkali Resistance	Alkali resistant
Viscosity	~200-400 mPa·s
Diester Content	≥95% (pure active basis)
Low Shear Viscosity	~200-400 mPa·s
Solid Content	≥50%
Free Alcohol	≤0.5%
Heavy Metal	≤20 mg/kg
Arsenic	≤2 mg/kg

Quick Penetrant T-50

Product Details

Applications

Properties

Safety

Product Overview

Performance Features

Packaging and Storage

Quick Penetrant (DOSS) Applications

Product Properties

Safety

GHS

Handling

Storage

First Aid

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