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Irgastab® PUR 67

Technical Datasheet | Supplied by BASF
Irgastab® PUR 67 by BASF is a BHT-free, liquid heat stabilizer and anti-scorch product for polyols containing a low amount of aminic antioxidant. Exhibits good resistance to scorch, fogging, and textile staining. Offers outstanding resistance to foam discoloration after gas and/or light exposure. It allows dust free handling, automatic dosage and shortening of mixing time. Irgastab® PUR 67 is suitable for the manufacture of polyether- and polyester-based flexible foams and PUR flexible foams. It 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 0.4-0.45% and in molding polyol grades is 0.05-0.1%.
Product Type
  • Heat Stabilizers
  • Antioxidants
Masterbatch
No
Physical Form
Liquid
Appearance
Yellow, Light yellowish
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 67 Properties

Property

Value & Unit
Test Condition
Test Method
Viscosity @ 40°C
200 - 300 mm2/s
Relative Density @ 20°C
0.95 - 1.00
Solubility @ 20°C in water
< 0.1 g/100 g solution

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