Chemical Name：3,9-Bis(octadecyloxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane

Molecular Formula：C41H82O6P2        

Molecular Weight：733    

CAS No： 3806-34-6

Quality Specification：

Appearance：White or pale yellow crystalline powder；

Melting Point：＞ 45℃；  Acid Value（mgKOH/g）：＜0.5

Product Feature：

Containing the structure of Bis-phosphite pentaerythritol ester, and be suited to polymeric material which has high temperature processing requirement. Processing stability effect is better than universal phosphite ester antioxidant effect. Chemical structure doesn’t contain phenol, according with the requirement of environmental regulation. Has been approved by multinational food and health institution to be used in food packing material（FDA:TITLE21 CFR.178.2010）.

Product Usage:

 PE, PP, PVC, ABS, PS, HIPS, PET/PBT, PC, PA, PU, NBR, SBS, Polyester Fiber, Adhesive, Coating, Printing Ink, and other high polymer material.

Packing：

Fiber drum，20kg/drum or 25kg/drum

Beijing Additives Institute

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