Butadiene Acrylonitrile Rubber is normally abbreviated to NBR, but is more commonly known as Nitrile and is a synthetic Polymer. Typically used in applications where resistance to oils and chemicals are required.
Applications and Characteristics
Food Use Not recommended
Water Use Fair
Mineral Oil Use Fair
Abrasion resistance Moderate
Ozone weather resistance Moderate
Flame retardency Not recommended
Electrical resistance Moderate
General Purpose Excellent
Thickness Range 1 to 6mm 10m rolls
Thickness Range 8 to 25mm 5m rolls
Standard Width 1.4m
* Typical Shore Hardness range 40—70 also available
ASTM D224000 60 Shore A –4/+5
ASTM D412 8.4MPa
Tensile Strength Min.
ASTM F36 50% Min
Elongation @ Break Min.
ASTM D412 400%
Min. Cont. Work Temp.
Max. Cont. Work Temp.
Max. Intermittent Work Temp.
Compression Set 70°C 22 Hours
ASTM D395 Meth B 25%
Beldam Crossley can create PTFE products to your specification, creating a product with the correct PTFE grade material that works best for your application.
Contact our team of design engineers with your requirements and see how we can help you.
Beldam Crossley has been moulding PTFE for over half a century. We have since developed a wide range of High Performance Crossflon® materials, each suited to a specific application.