SABOSTAB® AO B90

Octadecyl (3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate), tris(2,4-di-tert-butylphenyl)phosphite. Acts as antioxidant. It is a blend of the phenolic antioxidant Sabo®Stab AO 1076 and the phosphite processing stabilizer Sabo® Stab PS 68 at a 1:4 ratio. Provides protection during both high temperature processing and in end use at elevated temperatures. It is non-discoloring as well as imparts low volatility and excellent resistance to extraction. Has extensive food contact clearances. Used in polyolefins, styrenic polymers (ABS, ASA, HIPS, SAN), acrylics, elastomers, and other organic substrates.