Neoprene Description
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
Sizes Available
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
Physical Properties
Base Polymer |
NBR |
Indentation Hardness |
ASTM D224000 60 Shore A –4/+5 |
Specific Gravity |
ASTM D412 8.4MPa |
Tensile Strength Min. |
ASTM F36 50% Min |
Elongation @ Break Min. |
ASTM D412 400% |
Min. Cont. Work Temp. |
c-25°C |
Max. Cont. Work Temp. |
70°C |
Max. Intermittent Work Temp. |
90°C |
Compression Set 70°C 22 Hours |
ASTM D395 Meth B 25% |
PTFE Design
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.
Crossflon®
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.

