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Irgastab® PUR 55

Technical Datasheet | Supplied by BASF
Irgastab® PUR 55 by BASF is a BHT-free, liquid heat stabilizer and anti-scorch package for polyols. Exhibits good resistance to scorch, fogging, and textile staining. 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 55 can also be added with additional antioxidants and/or co-stabilizers (e.g. phosphites) and/or light stabilizers (e.g. HALS, UV absorbers). Its recommended use level ranges between 0.4-0.7%.
Product Type
  • Heat Stabilizers
  • Antioxidants
Masterbatch
No
Physical Form
Liquid
Appearance
Yellow, clear
Product Status
COMMERCIAL
Applications/ Recommended for
  • Other Thermoplastic > Other Polyester
  • TPE and TPV > TPU (or TPE-U)
  • Foaming > Flexible foams
Food contact approval
Yes

Irgastab® PUR 55 Properties

Property

Value & Unit
Test Condition
Test Method
Boiling Point
> 200 °C
Flash Point
> 150 °C
Viscosity @ 40°C
> 100 mm2/s

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