Chemical name: Pentaerythritol tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propanoate &                Tris (2,4-di-tert-butylphenyl) phosphite CAS No.: 6683-19-8 &  31570-04-4                                      Specification                                                                       Appearance: White powder Volatility (105℃,2h),%: ≤0.5 Clarity of Solution (toluene): Clear Transmittance:   425nm≥96%      500nm≥98% ANTIOXIDANT HONOX-B225 is a synergistic blend of the phenolic antioxidant 1010 and the phosphate antioxidant 168 in a 1:1 ratio. This blend of both a primary and secondary antioxidant provides excellent heat stability and resistance to oxidation, with good compatibility with resins and low volatility. It can retard heated degradation and oxidative degradation of polymer substances during processing and in application. It can be widely used for PE, PP, PC, ABS resin and other petrochemical products.  info at hhochem. com