Technical datasheet

WESTON™ 705 phosphite

Supplied bySI Group- Last Updated on Mar 16, 2026

WESTON™ 705 phosphite by SI Group is a nonylphenol-free, phosphite antioxidant. It is a versatile stabilizer which is compatible with SBR, NBR, HDPE, LLDPE, elastomers, ABS and PVC.
It offers superior polymer protection and gas fading protection.
  • It possesses higher solubility and compatibility.
  • It provides minimal plate-out issues during processing and blooming resulting in improved surface properties.
  • WESTON™ 705 phosphite reduces gel formation and black specs.
  • It is an FDA complaint grade.
  • Its shelf life is 1 year.
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    WESTON™ 705 phosphite properties

    Other properties

    PropertiesValue & unitTest conditionTest method
    Acid Value0.0 Visible After LoginVisible After LoginVisible After Login
    Assay0.0 Visible After LoginVisible After LoginVisible After Login
    Phosphorous Content0.0 Visible After LoginVisible After LoginVisible After Login
    Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login
    Weight Loss0.0 Visible After LoginVisible After LoginVisible After Login
    Weight Loss0.0 Visible After LoginVisible After LoginVisible After Login
    Weight Loss0.0 Visible After LoginVisible After LoginVisible After Login
    Solubility PropertiesElementConditionMethod
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