What Is SBR Rubber?
Jun 12, 2025| What is SBR Rubber?
SBR (Styrene butadiene) rubber is one of the first synthetic rubber materials ever invented. It has many of the same properties as natural rubber, but is petroleum-based rather than latex-based.
During World War II, natural rubber was needed for production of wartime materials like tires, tank treads, wire insulation and hoses and gaskets. As most natural rubber trees were found on islands controlled by Japan and the Axis powers, the government sponsored a research and development push to find a viable alternative to natural rubber for both wartime and consumer products.
Advantages of SBR Rubber
SBR rubber has excellent abrasion characteristics and reasonably good tear and elongation properties. A full list of advantages of SBR rubber includes:
Excellent abrasion resistance
Good tear resistance
High electrical resistance
Good crack resistance
Low compression set
Better heat resistance than natural rubber
Resistant to non-petroleum-based fluids like alcohols, water, grease, etc.
Odor resistant
Disadvantages of SBR Rubber
SBR rubber has disadvantages similar to natural rubber. They both demonstrate poor oil and ozone resistance. Other disadvantages of SBR rubber include:
Poor resistance to petroleum oils and fuel
Poor resistance to ozone and weather
Low tensile strength
What is SBR rubber used for?
An overwhelming majority of the time, SBR rubber is mixed with natural rubber and used to create tires, shoe soles, lacrosse balls and other products that need tough tear and abrasion resistance. At Custom Rubber Corp., we often use SBR rubber in the production of bumpers, rollers and brake and pedal pads.Products commonly made of SBR rubber include:
Pneumatic Tires
Solid Wheels
Brake Pedal Pads
Roll Covers
Electrical (Wire/Cable) Insulation
Rubber Soles/Heels on Shoes
Chewing Gum
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