WESTON™ Liquid Phosphite Ester Antioxidants
SI Group

WESTON™ Liquid Phosphite Ester Antioxidants

Key Applications

PVC, ABS, PC, PET fiber, polyurethane, coatings

Product Description

Weston™ Liquid Phosphite Ester Antioxidants are suitable for a variety of systems, especially as a secondary stabilizer for PVC. They are ideal for systems that do not require regulatory approval for food contact.

Grades

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namekey propertiesdocumentation
WESTON™ 430 Specialty alkyl phosphite antioxidant that effectively stabilizes heat, color and viscosity in a variety of polymers. SDS* TDS
WESTON™ 439 Phosphite ester antioxidant designed to improve color, clarity, and light stability of PVC and vinyl chloride copolymers. SDS* TDS
WESTON™ DPDP Alkyl-aryl phosphite ester antioxidant that provides color and processing stability in polymers that do not require food contact approvals. SDS* TDS*
WESTON™ PDDP Alkyl-aryl phosphite ester antioxidant that provides color and processing stability in polymers that do not require food contact approvals. Similar to WESTON™ DPDP, but with a higher molecular weight and lower phosphorus content. SDS* TDS
WESTON™ TDP Trialkyl phosphite ester antioxidant that functions as a secondary stabilizer in a variety of polymers that do not require food contact. SDS* TDS
WESTON™ TLP Trialkyl phosphite ester antioxidant that functions as a sulfur deactivator and improves antifriction and antiwear characteristics in lubricants. SDS* TDS