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Irgastab® PUR 45

Technical Datasheet | Supplied by BASF
Irgastab® PUR 45 by BASF is a BHT-free, liquid heat stabilizer and anti-scorch package for polyols. Offers good resistance to textile staining and good scorch resistance to low density & flame retarded foams. It allows dust free handling, automatic dosage, and shortening of mixing time. Suitable for the manufacture of polyether- and polyester-based flexible foams and PUR flexible foams. Irgastab® PUR 45 can also be added with additional antioxidants and/or co-stabilizers (e.g. phosphites) and/or light stabilizers (e. g. HALS, UVA). Its recommended use level in slabstock polyol applications ranges between 0.4-0.7%.
Product Type
  • Heat Stabilizers
  • Antioxidants
Physical Form
Yellow to amber
Product Status
Applications/ Recommended for
  • Other Thermoplastic > Other Polyester
  • TPE and TPV > TPU (or TPE-U)
  • Foaming > Flexible foams

Irgastab® PUR 45 Properties


Value & Unit
Test Condition
Test Method
Flash Point
> 101 °C
Viscosity @ 40°C
3.037 mm2/s
Relative Density @ 20°C
0.99 g/cm3

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