Description

Styrene-butadiene Rubber is a co-polymer of styrene & butadiene.

Properties

• Its general properties are similar to those of Natural Rubber, but it is more resistant to ageing and temperature, and like Natural Rubber, these properties can be improved further by careful compounding.
• Temperature range: -50º C to +110º C.
• Due to its unsaturated molecular structure SBR materials tend to have only moderate resistance to tearing, ozone and general weathering. They do not have the same resilience as Natural Rubber.
• Resistance to Chemicals; good resistance to many inorganic chemical products. Limited resistance to mineral oils, but is not recommended for use with oxidising acids and general organic liquids.
Antiabrasive SBR Rubber
Ref. Specific Gravity Hardness Tens. Stren. Elong. Tear. Stren Abras.Resist.
 mm3		 Compres. Set Working
Temp.
  g/cm3 Shore A M Pa % N/mm 5 N 10 N C h % º C

I644

 1,13 60 15 400 45   120 70 22 35 -40/110
Commercial SBR Rubber
Ref. Specific Gravity Hardness Tens. Stren. Elong. Tear. Stren Abras.Resist.
 mm3		 Compres. Set Working
Temp.
  g/cm3 Shore A M Pa % N/mm 5 N 10 N C h % º C
Z500 1,18 50 8,5 400 30 125   70 22 40 -40/70
Z600 1,49 65 4 200 12   480 70 22 43 -25/70
Z800 1,44 80 4 200 15   390 70 22 42 -20/70
Z900 1,44 90 4 150 15   390 70 22 50 -20/70