Viochem Antioxidant 1520

4,6-bis (octylthiomethyl)-o-cresol. Acts as an antioxidant. Is an effective thermo-oxidative stabilizer in a wide range of solution polymerized, emulsion polymerized and thermoplastic elastomers including: BR, SBR, NBR, IR, SBS, and SIS as well as natural rubber. Provides both processing and long-term heat aging stability used alone, at low levels and without costabilizers. Where necessary it can be used with other additives such as secondary antioxidants, light stabilizers and other functional stabilizers.