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Doverphos® S-9228T

HSP Distance with HH1010: 1.0
Doverphos® S-9228T by Dover (ICC Industries) is bis (2,4-dicumylphenyl) pentaerythritol diphosphite with 1% triisopropanol amine. It is free-flowing solid phosphite antioxidant. Has outstanding hydrolytic stability. Possesses outstanding performance in stabilizing polymers against melt flow degradation and color change. Doverphos® S-9228T in polymer systems has improved permanence where other phosphites may lose activity even when encapsulated in the polymer or in one-pack blends. Doverphos® S-9228T does not hydrolyze and cause black specks as do other phosphites.
Product Type
  • Antioxidants > Phosphites
  • Other Additives for Thermoplastics > Antihydrolysis Agents
Chemical Composition
Bis (2,4-dicumylphenyl) pentaerythritol diphosphite plus 1% triisopropanol amine
CAS Number
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