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Irganox® B 225 FF

Technical Datasheet | Supplied by BASF
Irganox® B 225 FF by BASF is a synergistic processing and long-term thermal stabilizer system. It is a blend of Irgafos® 168 and Irganox® 1010. Maintains original melt flow and offers low color formation. Provides long-term-thermal stability. Irgafos® 168, an organic phosphite of low volatility and particularly resistant to hydrolysis, protects the polymers which are prone to oxidation. Irganox® 1010, a hindered phenolic antioxidant, contributes synergistically to polymer stabilization during processing and provides long-term thermal stability by preventing thermo-oxidative degradation. Irganox® B 225 FF is compatible with polyolefin and olefin-copolymers such as polyethylene, polypropylene, polybutene and ethylene-vinyl acetate copolymers, engineering plastics, styrene homo- and copolymers, polyurethanes. Its recommended dosage rate in polyolefin is 0.1-0.25%.
Product Type
  • Antioxidants > Blends
  • Heat Stabilizers
  • Processing Aids > Polymeric Processing Aids
Chemical Composition
Blend of tris(2,4-ditert-butylphenyl)phosphite and pentaerythritol tetrakis[3-[3,5-di-tert-butyl-4-hydroxyphenyl]propionate]
Physical Form
Granules, Free-flowing
Product Status
Applications/ Recommended for
  • PP
  • TPE and TPV > TPU (or TPE-U)
  • Other Thermoplastic > EVA
  • PE
  • Polyurethane
Food contact approval

Irganox® B 225 FF Properties


Value & Unit
Test Condition
Test Method
Bulk Density
480 - 570 g/l

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