Antioxidant DSTDP ( PS802) Chemical Name: Distearyl Thi odipropi onate Chemical Formula: C42H8204S Molecular Weight: 683. 18 CAS No.: 693-36-7 Product Standard:HG/T 3741-2004 Physical Properties : Appearance :White Granulates or Powder Melting Point, C :63.5-68. 5 ish content, % :0.01 max Loss on heating, % :0.05 max. Acid value, mgKOH/g :0.05 max. Melting Color Pt-Co :60 max. . Saponificat ion Value, mgKOH/ g :160-170 Surplus on Sieve (2mm), % :2.0 max. . Packages: This product is packed in cartons with plastic lining or in compound paper bags with net weight of 25 kg. We can also pack according to our cus tomers' requests. This product shows as little white grains. Its molecular weight is 683 while melting point is 63C. The acid value is 0.05mgKOH/g max. It can be dissolved in solvents such as benzene, toluene and acetone. This product possesses excellent property of decompose Hydroperoxides. It can be used in PE, PP, PVC, ABS resin, synthetic rubber and oils. Because it can re compose the main phenolic antioxidant that is used together with it, this product is most suitable for polyolefin . resin for long - term heating oxidation and aging resistance. It volatilizes little without pollution, hardly can be colored. It shows good synergetic operative effects when being used together with main phenolic ant ioxidants (such as 264,1010, 1076, 1098, 1790 and CA) and ultraviolet light absorber. The general using rate is 0. 05-0. 5%
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