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Nitrile Butadiene Rubber

Nitrile-butadiene rubber (NBR) is a copolymer made from butadiene and acrylonitrile. NBR is essential for technical rubber products that need to be resistant to mineral oils, service fluids, and greases in automotive applications and machinery.

Krynac® X 740 Carboxylated
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 38 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 26,5 wt % ISO 24698
Krynac® X 750 Carboxylated
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 47 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 27,0 wt % ISO 24698
Perbunan® 3470 F Fast Cure
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 70 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 34,0 wt % ISO 24698