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Styrene
butadiene Rubber ( SBR )
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Features:
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Abbreviation
SBR
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ASTM D-2000
classification AA
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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 Poor
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Tear Resistance Poor
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Abrasion-Resistance Excellent
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Impact Strength
Resistance
Excellent
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Gas Impermeability
Resistance Limited
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Ozone Resistance Poor
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Weathering Resistance Limited
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Flame Resistance Limited
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Heat Resistance
Limited
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Low Temperature
Resistance Limited
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Oil and Fuel Resistance Poor
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Animal and Vegetable Oil
Resistance Limited
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Alcohol Resistance Good
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Alkaline Resistance Limited
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Acid Resistance
Suitable
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Aliphatic-solvent Resistance
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-Aliphatic
Poor
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-Aromatic
Poor
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Oxygenated-Solvent
Resistance Good
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Water Resistance Good
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Adhesion To Metals Poor
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Advantage:
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1. Low cost non-oil resistance
material.
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2. Good water resistance and
resilience up to 70 durometer.
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3. Satisfactory for most
moderate chemical and wet or dry organic acids.
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Disdvantage:
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1. Not recommended for ozone,
strong acids, oils, greases, fats and most hydrocarbons.
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2. Not recommended for
ketones, low molecular weight esters and nitro containing compounds.
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