SBR
Styrene-butadiene Rubber is a co-polymer of styrene & butadiene.
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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.
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Temperature range: -50º C to +110º C.
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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.
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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.
| 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 |
| 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 |
% |
ºC |
| 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 |
The current technical information has been carefully checked and given in good faith but it is not exempted from possible typing errors.
Historically, compounds have different commercial names in each market.
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