Trade Names
  • Too numerous to list
ASTM D1418 Designation
SBR
ASTM D2000/SAE J200 Type, Class
AA, BA
Apple Compound Designation
SB
Standard Color
Black
Description
Also known as Buna S, or GR-S (Government Rubber-Styrene), Styrene Butadiene was the elastomer substituted for Natural Rubber during World War II. Compounded properties are similar to those of Natural Rubber.
Key Use
Isolation dampeners.
Temperature Range
Standard Compound: -50°F to +212°F. (Dry Heat Only)
Hardness (Shore A)
40 to 90.
Features
The main use for Styrene Butadiene today is in the manufacture of automobile tires.
Limitations
  • SBR is not recommended for exposure to petroleum oils, most hydrocarbons, strong acids, or ozone.
  • This material is seldom used in modern sealing applications. It has been replaced by better performing materials.