Irganox® B 921

Irganox® B 921 by BASF is a blend of tris(2,4-ditert-butylphenyl)phosphite and octadecyl-3-[3,5-di-tert-butyl-4-hydroxyphenyl]propionate]. It is basically a blend of Irgafos® 168 and Irganox® 1076. Acts as a processing and long-term thermal stabilizer system. It maintains original melt flow. Offers low color formation and improves long-term thermal stability. Irganox® B 921 is used in polyethylene, rubbers, polyurethane, thermoplastic polyurethane, thermoplastics, thermoplastic elastomers, ethylene vinyl acetate copolymers.