Common Name: SBR
Chemical Name: Styrene-Butadiene Rubber
Properties: Excellent Impact strength, very good impact strength, Good abrasion resistance. Flexibility in low temperatures. Poor resistance to petroleum-based fluids.
Uses: Scrapers, protective covers, abrasive barriers
Durometer Range: 30 – 95 Shore A
Elongationa: 450% to 600%
a- Range given based on Hardness
Abrasion Resistance: Excellent
Compression Set: Good
Flame Resistance: Poor
Flex Cracking Resistance: Good
Impact Resistance: Excellent
Resilience/Rebound: Poor to Excellent
Tear Resistance: Fair to Good
Temperature Rangeb (Service): -50°F to 225°F
b- Cured rubber temperature operating service range
Ozone Resistance: Poor
Steam Resistance: Fair/Good
Weather Resistance: Fair/Good
Oxidation Resistance: Fair/Excellent
Gas Permeability: Fair
Sunlight Resistance: Poor
Water Resistance: Very Good
Chemical Resistance: Most moderate chemicals, wet or dry, organic acids, alcohols, ketones, aldehydes.
Attacked By: Ozone, strong acids, fats, oils, greases, most hydrocarbons.