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WESTON® TPP phosphite ester

Technical Datasheet | Supplied by SI Group
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 stability) and polyolefins (as a catalyst adjuvant). Also used in polyurethanes (to prevent scorching during curing and improve color stability), PVC and epoxies. The shelf life of WESTON® TPP phosphite ester is one year.
Product Type
Antioxidants > Phosphites
Chemical Composition
Triphenyl phosphite
CAS Number

Compatiblity with other products

Find products that are predicted to be compatible with WESTON® TPP phosphite ester.

This list of compatible products is generated out of estimated HSP values. A practical determination of these HSP values would provide higher certainty.
Learn more about Hansen Solubility Parameters (HSP) and their use in predictive formulation.

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