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Nitrile
Rubber (NBR)
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Features:
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Abbreviation
NBR
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ASTM D-2000
classification
BF,BG,BK,CH
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General
Characteristics
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Tensile Strength
Good
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Elongation
Good
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Rebound Resistance Good
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Tear Resistance
Good
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Abrasion-Resistance Excellent
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Impact Strength
Resistance
Good
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Gas Impermeability
Resistance Good
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Ozone Resistance Poor
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Weathering Resistance Limited
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Flame Resistance Poor
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Heat Resistance
Limited
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Low Temperature
Resistance Limited
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Oil and Fuel Resistance Good
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Animal and Vegetable Oil
Resistance Excellent
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Alcohol Resistance Good
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Alkaline Resistance Good
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Acid Resistance Good
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Aliphatic-solvent Resistance
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-Aliphatic
Excellent
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-Aromatic
Suitable
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Oxygenated-Solvent
Resistance Poor
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Water Resistance Good
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Adhesion To Metals Good
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Advantage:
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1. Has good solvent, oil,
water and hydraulic fluid resistance.
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2. Good compression set,
abrasion resistance and tensile strength.
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Disdvantage:
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1. Not recommended for using
in highly polar solvents such as acetone, and MEK, ozone,
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chlorinated hydrocarbons and
nitro hydrocarbons.
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