WESTON® Liquid Phosphite Antioxidants
SI Group

WESTON® Liquid Phosphite Antioxidants

Key Applications

polyolefin, SBR, ABS, PVC, polyurethane, polyester fibers

Product Description

Weston® Liquid Phosphite Antioxidants are high-purity phosphite antioxidants that are effective heat, color and viscosity stabilizers providing additional synergies when used with hindered phenols. 

Grades

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namekey propertiesdocumentation
WESTON® 398 Versatile phosphite stabilizer that improves color, processing stability, and end-use of a variety of polymers. SDS* TDS*
WESTON® DPP Diaryl phosphite ester antioxidant with a high phosphorus content and relatively low molecular weight. Improves color and light stability in polymers that do not require food contact. SDS* TDS*
WESTON® TNPP Versatile phosphite stabilizer that improves color, processing stability, and end-use of a variety of polymers; similar to WESTON® 399, but with a higher flash point. SDS* TDS
WESTON® 399 Versatile phosphite stabilizer that improves color, processing stability, and end-use of a variety of polymers; similar to WESTON® 398 but with food contact approvals. SDS* TDS
WESTON® 705 Nonylphenol-free phosphite antioxidant, designed as a drop-in replacement for TNPP with a 20% lower loading rate. SDS* TDS*
WESTON® 705T Nonylphenol-free phosphite antioxidant, designed as a drop-in replacement for TNPP with a 20% lower loading rate. Similar to WESTON® 705 but with improved hydrostability. SDS* TDS*
WESTON® TPP Versatile aryl phosphite ester antioxidant that regulates viscosity, improves color, and prevents scorch in a variety of polymers. SDS* TDS*