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Styrene Butadiene Rubber (SBR) CAS No: 9003-55-8

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SBR is used in tyre manufacture (source: Goodyear)Styrene butadiene rubber (SBR) is the largest volume synthetic rubber. With over 70% of SBR being consumed in the manufacture of tyres and tyre products, demand is very much dependent on this sector.

 

There are two major types of styrene butadiene rubber – emulsion SBR and solution SBR. There is a trend towards the increasing use of solution SBR as it is able to meet the increasingly stringent specifications in the manufacture of high performance tyres.

 

SBR is produced by the copolymerisation of butadiene with styrene in the approximate proportion of 3:1 by weight. Emulsion SBR is produced using a continuous process while solution SBR can be produced on both continuous and batch processes.

 

Styrene butadiene rubber is similar to natural rubber in its resistance to mild solvents and chemicals and, like natural rubber, can be successfully bonded to many materials. No acute health hazards are known or expected for SBR.

Styrene-butadiene rubber Price Reports

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Styrene-butadiene rubber Uses and Outlook

Styrene butadiene rubber (SBR) is the largest volume synthetic rubber. With over 70% being consumed in the manufacture of tyres and tyre products, demand is very much dependent on this sector.
More about Styrene-butadiene rubber Uses and Outlook

Styrene-butadiene rubber Process Technologies

SBR is produced by the copolymerisation of butadiene with styrene in the approximate proportion of 3:1 by weight.
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Styrene-butadiene rubber Plants and Projects

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Styrene-butadiene rubber Synonyms & Abbreviations

  • Caucho estireno butadieno
  • SBR

Styrene-butadiene rubber Properties

Decomposition temperature ( oC)
200
Durometer shore (Hardness)
o 5 75
Elongation (%)
150
Melting point oC
120
Percent volatiles (by volume)
<1.5
Specific gravity
1.04
Tensile strength (Psi)
400
Vapour pressure (mm Hg/70o F)
<1

 
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