CSFC 176 Stearyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate 2082-79-3 China Scientific Fine Chemicals Antioxidants >> Phenolic Polyolefins (PE, PP…) Stearyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate. highly efficient hindered phenolic antioxidant and processing stabilizer for polyolefins plastics Highly efficient hindered phenolic antioxidant and processing stabilizer for polyolefins plastics.