Question

What are the main industries and processes where polypropylene glycol PPG-600 is applied?

Answer
2026-05-27 官方文档 聚丙二醇PPG-600

Polypropylene Glycol PPG-600 is mainly used in four major fields: polyurethane industry, industrial additives and functional fluids, lubricants and metalworking fluids, and daily chemicals and pharmaceuticals.

Detailed explanation by industry and process

1. Polyurethane Industry: As a core component of polyether polyols, it reacts with isocyanates to synthesize polyurethane prepolymers and elastomers, imparting excellent flexibility, resilience, and hydrolysis resistance to the products.

2. Industrial Additives and Functional Fluids: Used as a basic component of defoamers in fermentation, papermaking, coatings, and other fields; as an active ingredient in mold release agents to form a release film for smooth demolding; and as a plasticizer and softener for plastics, rubber, and textiles.

3. Lubricants and Metalworking Fluids: Employed as a synthetic lubricant base oil and a thickening/lubricating component in water-glycol fire-resistant hydraulic fluids; provides lubrication and cooling effects in cutting fluids, quenching fluids, and other metalworking fluids.

4. Daily Chemicals and Pharmaceuticals: Acts as a solvent, humectant, and skin feel modifier in cosmetics; used to prepare nonionic surfactant intermediates via etherification or esterification; serves as a water-soluble base material for pharmaceutical ointments and suppositories.

Application Recommendations

  • In polyurethane formulations, as a soft segment component, it can adjust the flexibility and resilience of the product.
  • In defoamer systems, its low surface tension property enables rapid bubble breaking and inhibition.
  • In daily chemical formulations, it combines both solubilizing and moisturizing functions and has good compatibility with various surfactants.
  • In pharmaceutical carrier applications, it exhibits good biocompatibility and drug release properties.

Precautions

This product is a non-hazardous substance with a flash point >200°C and good operational safety. However, it is still recommended to keep away from open flames and ensure adequate ventilation in high-temperature processes. For specific safety regulations, please refer to the product Safety Data Sheet (SDS).