Technical datasheet

WESTON™ 430 phosphite

Supplied bySI Group- Last Updated on Mar 16, 2026

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 phosphite by SI Group is one year.
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WESTON™ 430 phosphite properties

Other properties

PropertiesValue & unitTest conditionTest method
Acid Value0.0 Visible After LoginVisible After LoginVisible After Login
Color, APHA0.0 Visible After LoginVisible After LoginVisible After Login
Density0.0 Visible After LoginVisible After LoginVisible After Login
Flash Point, Closed Cup0.0 Visible After LoginVisible After LoginVisible After Login
Formula Weight0.0 Visible After LoginVisible After LoginVisible After Login
Hydroxyl Value0.0 Visible After LoginVisible After LoginVisible After Login
Phosphorous Content0.0 Visible After LoginVisible After LoginVisible After Login
Refractive Index0.0 Visible After LoginVisible After LoginVisible After Login
Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login
Vapor Pressure0.0 Visible After LoginVisible After LoginVisible After Login
Viscosity0.0 Visible After LoginVisible After LoginVisible After Login

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