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Nitrile Rubber

Key Properties and Characteristics
Durometer (Shore A)
40-90
  Tear Strength
F
Specific Gravity (Polymer)
1.00
  Flame Retardent Properties
P
Tensile Strength Max-psi (Mpa)
2500
(17.3)
  Weathering Characteristics
F to P
Low Temperature Brittle Point (C/F)
-51/-60
  Oxidation Resistance
G
Resilience
G
  Ozone Resistance
F
Compression Set
G
  Oil Resistance
E
Heat Aging
G
  Acid Resistance
G
Abrasion Resistance
G
  Resistance to Alkali Substances
G
CAS Number
9003-56-9
Key Characteristics
Oil and fuel resistance.
Further Comments
At temperatures up to 100°C or, with special compounding, up to 120°C, nitrile rubber provides an economic material having a high resistance to aliphatic hydrocarbon oils and fuels. From the different grades available, the higher the acrylonitrile (ACN) content, the higher the oil resistance, but the poorer the low temperature flexibility. It has high resilience and high wear resistance but only moderate strength. It has limited weathering resistance, and poor aromatic oil resistance. It can generally be used down to about -30°C, but special grades can operate at lower temperatures.
Legend: P=Poor; F=Fair; G=Good; E=Excellent



Acrylonitrile Butadiene (NBR)

NBR products have better oil stability with low absorption and expansion by hydrocarbon oil, grease, solvent and fuel. This property is from the mixing with acrylonitrile, butadiene and some additives. NBR can provide various grades of products with use of wide range of ACN content, viscosity, emulsification additives, and stabilizing mixtures.

Grade Name
Available
Sources
Specification
Sheet
Material Safety
Data Sheet
SKN3335 E Russian
Printable Specification Sheet
 
SKN3345 E Russian Printable Specification Sheet  
SKN3355 E Russian Printable Specification Sheet  
SKN3365 E Russian Printable Specification Sheet  
SKN4035 E Russian Printable Specification Sheet  
SKN4045 E Russian Printable Specification Sheet  
SKN4055 E Russian Printable Specification Sheet  
SKN4065 E Russian Printable Specification Sheet  


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