WESTON® 705 phosphite supplied by SI Group is a nonylphenol-free, phosphite antioxidant. This versatile stabilizer is compatible with SBR, NBR, HDPE, LLDPE, elastomers, ABS and PVC. WESTON® 705... view more

WESTON® 618F phosphite by SI Group is phosphite antioxidant for polyolefins, polyesters, elastomers, styrenes and engineering thermoplastics. It provides excellent color stability during processing... view more

WESTON® 398 phosphite by SI Group is phosphite antioxidant stabilizer for HDPE, LLDPE, SBR, ABS and PVC. It improves the color and processing stability during recovery, drying, compounding... view more

WESTON® 398T phosphite is a stabilizer. WESTON® 398T phosphite is compatible with HDPE, LLDPE, SBR, ABS and PVC... view more

WESTON® 399 phosphite by SI Group is phosphite antioxidant stabilizer for HDPE, LLDPE, SBR, ABS and PVC. It improves the color and processing stability during recovery, drying, compounding... view more

WESTON® 430 phosphite by SI Group is a specialty alkyl phosphite antioxidant for polyester fibers and polyurethanes. It provides heat, color and viscosity stability. The shelf life of WESTON® 430... view more

WESTON® 439 phosphite ester by SI Group is phosphite antioxidant used to improve the color and light stability & clarity of rigid PVC and rigid vinyl chloride copolymers. It is used for food packaging applications... view more

WESTON® 501 stabilizer blend by SI Group is a liquid antioxidant blend of primary and secondary antioxidants. It is used for HDPE, LLDPE, ABS and PVC. This additive improves color and inhibits... view more

WESTON® 501B stabilizer blend by SI Group is a liquid antioxidant blend of primary and secondary antioxidants. It is used for HDPE, LLDPE, ABS and PVC. This additive improves color and inhibits... view more

WESTON® 502 stabilizer blend by SI Group is a liquid antioxidant blend of primary and secondary antioxidants. It is used for HDPE, LLDPE, ABS and PVC. This additive improves color and inhibits... view more

WESTON® 502B stabilizer blend by SI Group is a liquid antioxidant blend of primary and secondary antioxidants. It is used for HDPE, LLDPE, ABS and PVC. This additive improves color and inhibits degradation of... view more

WESTON® 503 stabilizer blend by SI Group is a liquid antioxidant blend of primary and secondary antioxidants. It is used for HDPE, LLDPE, ABS and PVC. This additive improves color and inhibits degradation of... view more

WESTON® 503B stabilizer blend by SI Group is a liquid antioxidant blend of primary and secondary antioxidants. It is used for HDPE, LLDPE, ABS and PVC. This additive improves color and inhibits... view more

WESTON® 504 by SI Group is a blend of 80% Weston TNPP phosphite and 20% Ultranox 27. It eliminates the pre-blending of antioxidants. It minimizes the risk of compounding errors and variability... view more

WESTON® 504B by SI Group is a blend of 80% Weston TNPP phosphite and 20% Ultranox 27. It eliminates the pre-blending of antioxidants. WESTON® 504B minimizes the risk of compounding errors and... view more

WESTON® 619F phosphite by SI Group is phosphite antioxidant and offers high color and molecular weight stability to polyolefins, polyesters, elastomers, styrenics and engineering thermoplastics. It... view more

WESTON® 705T phosphite by SI Group is a nonylphenol-free phosphite antioxidant. It is designed to replace TNPP in those instances where a TNPP alternative is sought. It is useful in a variety of other polymer... view more

WESTON® DHOP phosphite ester by SI Group is a high molecular weight phosphite antioxidant. WESTON® DHOP phosphite ester is used as a secondary stabilizer for PVC resins... view more

WESTON® DOPI by SI Group is used as a lubricant additive. It improves anti-friction and anti-wear characteristics. WESTON® DOPI is used as a color and molecular weight stabilizer for polypropylene... view more

WESTON® DPDP phosphite ester by SI Group is alkyl-aryl phosphite antioxidant. It is used as a color and processing stabilizer in polycarbonate, polyurethanes and ABS polymers. It is also used as a secondary... view more