168 is a phosphite processing stabilizer, widely used as a colorless, non-discoloration stabilizer and antioxidant. As an auxiliary antioxidant, 168 is often used in combination with phenolic antioxidants and has a synergistic effect. In the processing of plastics, 168 can prevent polymer degradation caused by processing and prolong the antioxidant properties of the main antioxidant. The characteristic of 168 is its strong compatibility with many polymers or matrices, so it has a wide range of applications.
- Chemical name: Tris (2,4-di-tert-butylphenyl) phosphite
- CAS: 31570-04-4
- Molecular weight: 646.9g/mol
Application range:
168 can be used in: polyolefins, styrene monomers and copolymers, elastomers, adhesives, engineering plastics (such as polyester, polyurethane, PVC) and other organic matrices such as plasticizers, industrial fats, mineral oils, etc.
Performance advantages:
168 protects polymers exposed to oxidative environments from changes in molecular weight (such as chain breakage and cross-linking) and color changes of the matrix during processing (mixing, granulation, molding, recycling applications).
Instructions for use:
When 168 is used as a processing stabilizer for polymers together with other appropriate additives, the recommended dosage is 0.05% and 1%. For more information on the use of 168 in various organic plastics, please contact us.
168 is soluble in ketones, aromatic hydrocarbons, aliphatic hydrocarbons, chlorinated hydrocarbons and alcohol, and is insoluble in water. It will gradually hydrolyze when exposed to water, but it has sufficient stability within the shelf life of water-based emulsions.
168 has been approved for use in food-contact plastic products in many countries. If you need relevant information, please consult our sales staff nearby.
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