BENEFOS 1680 Phosphite Type Antioxidant

Benefos 1680 is a phosphite type antioxidant of low volatility and extreswly high resistance to hydrolysis. It provides excellent antioxidant process stability to organic polymers, resistance to discoloration and adds long-term protection against thermo-oxidative degradation after processing. 

Benefos 1680 is a secondary antioxidant. It is particularly useful in polyolefins and olefin-copolymers such as polyethylene, polypropylene, polybutene and ethylene vinyl acetate copolymers as well as polycarbonate and polyamids. Other applications Include use in linear polyesters, high Impact polystyrene, ABS, SAN, adhesives, natural and synthetic tackifier resins, elastomers such as BR, IR, and other organic substrates. 

Nevastain 21 Nonstaining Antioxidant is a hindered phenolic coapound which is produced by alkylating phenols with selected olefinic aonoaers. 

Nevastain 21 Nonstaining Antioxidant is an approved substance as defined by the following United States Pood and Drug Adainls-tration regulations  

The formulator must comply with all other requirements of the PDA regulations, including conditions of use and extractive tolerances of the total compound or formula. 

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