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Polymer Additives
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Technical Datasheet | Supplied by SI Group
WESTON® EHDP by SI Group is an alkyl-aryl phosphite. It is an antioxidant, processing stabilizer designed for polycarbonate, polyurethanes, ABS polymers and PET fiber where regulatory approval for food contact is not required. It can also be used as a secondary stabilizer to improve color and heat stability in PVC. WESTON® EHDP has a shelf life of at least one year.
Product Type
  • Heat Stabilizers
  • Antioxidants > Phosphites
Chemical Composition
Alkyl-aryl phosphite
CAS Number
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