Description
- Certified to BS EN1337-3.
- REACH, RoHS, PAH and CE compliant.
- Natural Rubber: 60° Shore.
- Black Natural Rubber to BS EN 1337/3 Bridge Bearing is a Black Natural rubber suitable for Bridge bearings, manufactured to BS EN 1337/3. Ideal where bridge bearing are produced from sheet.
- Thickness: 5mm to 25mm (other thickness' on request)
- Sheet Size: 1.4m wide in 5m and 10m rolls
- Finish: Smooth finish
- Cutting: Standard press-tools
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PROPERTIES |
TEST METHOD |
VALUES FPS UNITS |
TEST METHOD |
VALUES METRIC UNITS |
|
SPECIFIC GRAVITY |
DIN 53508 |
1.25 ± 0.05 |
ASTM D297 |
1.25 ± 0.05 |
|
HARDNESS |
DIN 53505 |
60 ± 5 SH A |
ASTM D2240 |
60 ± 5 SH A |
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TENSILE STRENGTH ( MIN ) |
DIN 53504 |
2275 PSI |
ASTM D412 |
155KG/CM2 |
|
ELONGATION AT BREAK ( MIN ) |
DIN 53504 |
400% |
ASTM D412 |
400% |
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COMPRESSION SET (70ºC/24 HRS/25% COMPRESSION) (MAX) |
DIN 53517 |
30% |
ASTM D395 METHOD B |
30% |
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TEAR RESISTANCE ( ANGULAR ) MIN |
DIN 53515 |
335 LBS/INCH |
ASTM D624 |
60 KG/CM |
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ABRASION RESISTANCE (MM?) |
|
|
|
120 |
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CHANGE IN PROPERTIES AFTER |
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|
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HEAT AGEING FOR ( 168 HRS. AT 70 ºC ) |
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|
ASTM D573 |
|
|
--- HARDNESS (PTS) |
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- 5 / + 10 |
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- 5 / + 10 |
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--- TENSILE STRENGTH (%) |
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± 15 |
|
± 15 |
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--- ELONGATION AT BREAK (%) |
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± 25 |
|
± 25 |
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VOLUME SWELL : AT 70ºC FOR 72 HRS |
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|
ASTM D 471 |
|
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IN IRM OIL NO.1 |
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NOT RECOMMENDED |
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NOT RECOMMENDED |
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IN IRM OIL NO.2 |
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NOT RECOMMENDED |
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NOT RECOMMENDED |
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IN IRM OIL NO.3 |
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NOT RECOMMENDED |
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NOT RECOMMENDED |
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CHEMICAL RESISTANCE |
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|
|
|
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--- OZONE RESISTANCE ELONGATION 30% / 96 HRS / 40 ºC ±2 ºC |
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NO CRACKS AT 25 PPHM |
ASTM D 1149 |
NO CRACKS AT 25 PPHM |
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--- DILUTE ACIDS AND BASES |
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NOT RECOMMENDED |
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NOT RECOMMENDED |
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--- CONCENTRATED ACIDS AND BASES |
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NOT RECOMMENDED |
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NOT RECOMMENDED |
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--- OILS |
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NOT RECOMMENDED |
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NOT RECOMMENDED |
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--- SOLVENTS |
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NOT RECOMMENDED |
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NOT RECOMMENDED |
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TEMPERATURE RANGE |
|
-20º TO + 70 ºC |
|
-20º TO + 70 ºC |
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COLOUR |
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BLACK |
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