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WESTON® 618F phosphite

Technical Datasheet | Supplied by SI Group
WESTON® 618F phosphite by SI Group is phosphite antioxidant for polyolefins, polyesters, elastomers, styrenes and engineering thermoplastics. It provides excellent color stability during processing, fabrication and end use. WESTON® 618F phosphite exhibits polymer protection from degradation during processing. It possesses synergism when used with light stabilizers such as benzophenones and benzotriazoles. This antioxidant imparts high performance at low loading levels for more cost-effective formulations. It reduces discoloration of polymers containing pigments such as TiO2 and sulfur-containing, nickel organic complex and are processed at high temperatures. It provides thermal and UV stability. It is FDA compliant and the shelf life of the product is 1 year.
Product Type
Antioxidants > Phosphites
Chemical Composition
Distearyl pentaerythritol diphosphite
CAS Number

Compatiblity with other products

Find products that are predicted to be compatible with WESTON® 618F phosphite.

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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