Doverphos S-9228 Bis (2,4-dicumylphenyl) pentaerythritol diphosphite 154862-43-8 ICC Industries-Dover Antioxidants >> Phosphite Acrylics/ Acrylates Rubber - Elastomer (Chloroprene, Butyl …) PU - Prepolymers Polyvinyl Chloride (PVC) Polyolefins (PE, PP…) ADHESIVE Doverphos® S-9228 is a patented, free-flowing solid phosphite antioxidant developed by Dover Chemical Corporation. its high molecular weight, low volatility, and high phosphorous content. Doverphos® S-9228 offers: Superior thermal stability and low volatility under extended high temperature conditions Excellent atmospheric and in-polymer hydrolytic stability Outstanding processing protection against discoloration and thermal degradation Doverphos® S-9228 provides excellent color and melt flow stability when used in high density polyethylene. Free-flowing solid phosphite secondary antioxidant. Used in adhesives. Offers thermal stability and low volatility under extended high temperature conditions. Provides good atmospheric and in-polymer hydrolytic stability and outstanding processing protection against discoloration and thermal degradation.