WESTON® PDDP phosphite ester by SI Group is alkyl-aryl phosphite. It acts as a color and processing stabilizer in ABS, polycarbonate, polyurethane and PET fiber. WESTON® PDDP phosphite ester can... 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® THOP by SI Group is a special diphosphite. WESTON® THOP acts as a secondary heat stabilizer in many polymers, including PVC (flexible & rigid) and polyurethane... view more

WESTON® TIOP by SI Group is used in acrylics to improve color and molecular weight retention during processing. WESTON® TIOP also provides heat stability to nylon, unsaturated polyester and PVC... view more

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

WESTON® TPP phosphite ester by SI Group is aryl phosphite antioxidant. It can be used as a stabilizer in styrenics, engineering thermoplastics, polyesters (to regulate viscosity and improve color... 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