Peregal O-20 is a highly hydrophilic nonionic surfactant with an HLB value of 15~16. It appears as a milky white to light yellow waxy solid (melting point approximately 40~50°C). When using, it should be fully dissolved and dispersed in warm or hot water before being added to the system. Due to its stable chemical properties, it is resistant to acids, alkalis, and hard water, and can be compounded with various anionic, cationic, and amphoteric surfactants, making it applicable under a wide range of conditions.
The core functions of Peregal O-20 include emulsification, leveling, dispersion, wetting, and penetration. In textile dyeing and printing, it is used as a leveling agent and dispersant; in pesticide formulations, as an emulsifier for emulsions (EW) and microemulsions; in daily chemicals and detergents, as an O/W emulsifier and detergent component; in metalworking, papermaking, leather, and other industrial fields, as a penetrant and wetting agent. The usage method and recommended dosage vary by application scenario.
Since the Guoli Chemical product database does not provide specific recommended dosages for each application area, the following recommended amounts are reference values based on common industry practices and product physicochemical properties (e.g., active content ≥99%, critical micelle concentration approx. 0.007%, HLB value 15~16, cloud point 88~95°C, etc.). Haian Guoli Chemical Co., Ltd. recommends that users conduct small-scale experiments on new formulations or processes to determine the optimal dosage for their specific system.
Since the product database does not list specific recommended amounts, the following are reference ranges based on common industry practices:
| Application Area | Function | Recommended Dosage (w/w) | Usage Instructions |
|---|---|---|---|
| Textile Dyeing and Printing | Leveling agent, Dispersant | 0.2%~1.0% (based on fabric weight) | Liquor ratio 1:10~1:20, dissolve in warm water at 40~60°C before adding to dye bath |
| Pesticide Formulation | Emulsifier for EW/Microemulsion | 2%~5% (of total formulation) | Mix with oil phase and heat to 50~60°C, stir well, then slowly add to water phase |
| Daily Chemicals (Creams/Lotions) | Primary O/W emulsifier or co-emulsifier | 1%~3% | Heat with oil phase to 70~75°C, mix with water phase and emulsify, homogenize for 3~5 minutes |
| Liquid Detergents | Detergent component, Solubilizer | 0.5%~2% | Dissolve in water and compound with other surfactants, stir well |
| Metalworking Fluids | Penetrant, Wetting agent | 0.5%~1.5% | Dissolve directly in working fluid, stir well |
| Leather Processing | Penetrant | 0.5%~1% | Use in soaking, deliming, etc. Better effect at 40~50°C |
| Papermaking Industry | Wetting and dispersing aid | 0.1%~0.5% | Mix with pulp or use in coating formulation |
Note: The above dosages are recommended reference values. Actual usage should be optimized based on specific formulation, process conditions, and performance requirements. Guoli Chemical recommends conducting small-scale and pilot-scale tests before bulk use.
Dissolution Method: Peregal O-20 is a waxy solid (melting point 40~50°C). It is recommended to dissolve it first in warm water (40~60°C) with stirring to prepare a 10%~20% stock solution, then add it to the working system. Adding directly to cold water may result in slow dissolution.
Emulsification Operation: When used as an emulsifier to prepare O/W emulsions, typically add Peregal O-20 to the oil phase, heat to 50~60°C to melt, then slowly add the water phase under stirring, or use a homogenizer at high speed for 3~5 minutes to obtain a fine and stable emulsion.
Compounding Performance: Peregal O-20 is a nonionic surfactant that can be compounded with anionic (e.g., LAS, AES), cationic, and amphoteric surfactants in any ratio, producing synergistic effects and enhancing overall performance.
For detailed usage recommendations and technical support tailored to specific formulations or processes, please contact the technical team of Haian Guoli Chemical Co., Ltd. We will provide professional technical services and sample support.