|
Styrene Butadiene
Rubber
| Key
Properties and Characteristics |
| Durometer (Shore
A) |
40-90
|
|
Tear Strength |
F
|
| Specific Gravity
(Polymer) |
0.94
|
|
Flame Retardent
Properties |
P
|
| Tensile Strength
Max-psi (Mpa) |
2500
(17.3)
|
|
Weathering Characteristics |
P
|
| Low Temperature
Brittle Point (C/F) |
-58/-70
|
|
Oxidation Resistance |
F
|
| Resilience |
G
|
|
Ozone Resistance |
P
|
| Compression Set |
G
|
|
Oil Resistance |
P
|
| Heat Aging |
F to G
|
|
Acid Resistance |
F to G
|
| Abrasion Resistance |
G to E
|
|
Resistance to Alkali
Substances |
F to G
|
CAS Number
9003-55-8 |
Key
Characteristics
Abrasion resistance |
Further
Comments
This is the highest volume general purpose synthetic rubber.
It is very weak unless reinforcing fillers are incorporated.
With suitable fillers, it is a strong rubber, although not
approaching natural rubber or polychloroprene. Otherwise,
it has similar chemical and physical properties to natural
rubber, with generally better abrasion resistance but poorer
fatigue resistance. |
|
Legend:
P=Poor; F=Fair; G=Good; E=Excellent
|
Styrene
Butadiene Rubber (SBR)
Styrene Butadiene Rubber
is made from cold polymerization of styrene and butadiene monomers through low temperature emulsification
polymerization and has similar characteristics to natural rubber. It is a general purpose rubber and produced in the largest volume of any synthetic rubber. It has good tensile stregth and excellent abrasion resistance but poor tear strength and fatigue resistance.
The SBR 1500 series is light coloured and non staining. The 1700 series is extended with the addition of highly aromatic oil and is a darker colour.
| Grade Name |
Available
Sources
|
Specification
Sheet
|
Material
Safety
Data Sheet
|
| SBR 1500 |
Russian |
|
|
| SBR 1502 |
Kumho |
|
|
| Russian |
|
|
| SBR 1507 |
Russian |
|
|
| SBR 1705 |
Russian |
|
|
| SBR 1712 |
Kumho |
|
|
| Russian |
|
|
Oil Extended Solution Styrene Butadiene Rubber (SSBR)
In some rubber compounds, this rubber may be used as valuable replacement of BR and SBR combinations while still retaining and improving the finished product’s properties.
| Grade Name |
Available
Sources
|
Specification
Sheet
|
Material
Safety
Data Sheet
|
| SSBR 2545-M27 |
Russian |
|
|
High
Styrene Resin (HSR)
High Styrene Resin rubbers
are used as a reinforcement for the manufacturing of soles of
high quality and engineering rubber goods.
| Grade Name |
Available
Sources
|
Specification
Sheet
|
Material
Safety
Data Sheet
|
| HSR 1904 |
Russian |
|
|
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to the Synthetic Rubber Index
|
