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® TDP phosphite ester by SI Group is trialkyl phosphite antioxidant. It is used as a secondary stabilizer in ABS, polyethylene terephthalate, PET fibers, PVC, polycarbonate and polyurethanes... view more

WESTON® TLP phosphite ester by SI Group is trialkyl phosphite lubricant. It improves anti-friction and anti-wear characteristics. WESTON® TLP phosphite ester also functions as a sulfur deactivator... view more

WESTON™ 618F by SI Group is a phosphite-based antioxidant. It is highly effective color & molecular weight stabilizer for polyolefins, polyesters, elastomers, styrenics and engineering... view more

WESTON™ 619F by SI Group is a phosphite-based antioxidant. It is highly effective color & molecular weight stabilizer for polyolefins, polyesters, elastomers, styrenics and engineering... view more

WESTON™ 705 by SI Group is a phosphite-based antioxidant. It is highly effective color and molecular weight stabilizer for polyolefins and elastomers. It is a nonylphenol free liquid phosphite. It... view more

WESTON™ 705T by SI Group is a nonylphenol-free liquid phosphite antioxidant. It is useful in a variety of other polymer applications such as SBR, NBR, EPDM, BR, SBC, SBS, SIS, ABS, natural rubber... view more