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TECHNICAL DATASHEET
NBR (NITRILE) – Black
70 Shore Hardness
Cure system : SULPHUR
Temperature Range : -30°C to +100°C
Shelf Life : 15 Years
Specification Met : ASTM D2000 M2BG714 A14 B14 EA14 EF11 EF21 EO14 EO34 F17
NBR 70 Datasheet - DownloadPROPERTIES
| PARAMETERS | REQUIREMENT ASTM D2000 | ISG TEST VALUE |
| Hardness, Shore A (ASTM D 2240) | 70 ± 5 | 70 |
| Tensile Strength, Mpa (ASTM D412) | Min 14.0 | 14.4 |
| Elongation At Break, % (ASTM D 412) | Min 250 | 325 |
| Specific Gravity, g/cm3 (ASTM D 297) | -- | 1.27 |
| RESISTANCE TO HEAT -- ASTM D 573 (70 Hrs At 100°C) – A14 | REQUIREMENT ASTM D2000 | ISG TEST VALUE |
| Hardness Change, Points | ± 15 | +3 |
| Tensile Strength Change % | ± 30 | +10 |
| Elongation Change % | Max -50 | -28 |
| COMPRESSION SET -- ASTM D395 – B14 | REQUIREMENT ASTM D2000 | ISG TEST VALUE |
| Compression Set % 22hrs @ 100°C | Max 25 | 12% |
| RESISTANCE TO WATER -- ASTM D 471 (70 Hrs At 100°C) – EA14 | REQUIREMENT ASTM D2000 | ISG TEST VALUE |
| Hardness Change, Points | ± 10 | +5 |
| Volume Change % | ± 15 | +10 |
| RESISTANCE TO HEAT -- ASTM D 471 (70 Hrs At 23°C) – EA14 | REQUIREMENT ASTM D2000 | ISG TEST VALUE |
| Hardness Change, Points | ± 10 | -4 |
| Tensile Strength Change % | Max -25 | -15 |
| Elongation Change % | Max -25 | -20 |
| Volume Change % | -5 To 10 | +5 |
| RESISTANCE TO HEAT -- ASTM D 471 (70 Hrs At 23°C) – EF21 | REQUIREMENT ASTM D2000 | ISG TEST VALUE |
| Hardness Change, Points | -30 To 0 | -15 |
| Tensile Strength Change % | Max -60 | -39 |
| Elongation Change % | Max -60 | -33 |
| Volume Change % | 0 to +40 | +23 |
| RESISTANCE TO HEAT -- ASTM D 471 (70 Hrs At 100°C) – EO14 | REQUIREMENT ASTM D2000 | ISG TEST VALUE |
| Hardness Change, Points | -5 to +10 | +7 |
| Tensile Strength Change % | Max -25 | +7 |
| Elongation Change % | Max -45 | +25 |
| Volume Change % | -10 To +5 | -8 |
| RESISTANCE TO HEAT -- ASTM D 471 (70 Hrs At 100°C) – EO34 | REQUIREMENT ASTM D2000 | ISG TEST VALUE |
| Hardness Change, Points | -10 To +5 | +7 |
| Tensile Strength Change % | Max -45 | +7 |
| Elongation Change % | Max -45 | +25 |
| Volume Change % | -10 To +25 | +6 |
| LOW TEMP RESISTANCE -- ASTM D 2137 – F17 | REQUIREMENT ASTM D2000 | ISG TEST VALUE |
| Non-Brittle After 3Min @ -40°C | -- | Pass |
Ref Date: 01st April 2020