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Products


Nitrile rubber compound - NBR

This material is based on nitrile rubber (NBR) and is designed for the production of rubber products. It is widely used in some rubber product factories and has the characteristics of high strength, high hardness, heat resistance, oil resistance, solvent resistance, acid and alkali resistance, low compression set, and good processing properties.

 

Properties Grade
NB601 NB701 NB801
Normal Properties Hardness 60 70 80
Tensile Strength Mpa 17 17 18
Elongation at Break % 360 236 328
Heat Aging Resistance Hardness Change +4 +4 +3
Tensile Strength Change % 3.4 2.1 0.8
Elongation at Break Change % -18.6 -12.3 -16.5
ASTM 1# Oil Resistance Hardness Change +2 +2 +1
Volume Change % -5.7 -4.6 -3.9
ASTM 3# Oil Resistance Hardness Change -4 -3 -3
Volume Change % +6.2 +5.3 +4.5
Compression Set % 9 11 12
Brittle Point ℃ -40 -40 -40
Characteristics and Applications Complies with HG/T2579-2008 Hydraulic and Pneumatic System O-rings

 

I. Applications

Can be used to manufacture oil-resistant rubber products for the petroleum, chemical, and automotive industries.

 

II. Processing Technology

Specimen vulcanization conditions: 175℃×5min

 

III. Packaging and Storage

25kg per bag, the material is in the form of a sheet, and it should be stored in a clean, dry, cool, and ventilated warehouse.

Our company provides technical advice in good faith, whether verbally, in writing, or experimentally, but makes no guarantees. Users are also responsible for testing the products supplied by our factory to verify their suitability for the intended process and application.

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