Place of Origin:
Guangdong,China
Brand Name:
ORK
Certification:
FDA,ROHS,ISO9001,TS16949
Model Number:
Customized
Our wholesale flat ring gaskets and waterproof flat rubber ring seals deliver dependable leak-proof performance for fluid handling equipment. Available in NBR, EPDM, Silicone, and FKM compounds, they suit a wide range of industrial sealing applications with standard sizes in stock and custom dimensions available.
NBR 70 Test Report — ASTM D2000 M2BG 714 B14 EO14 EF11 EF21 EA14 F17
| Properties | Specification | Test Result | Test Method |
|---|---|---|---|
| Hardness, Shore A | 70 ± 5 | 72 | D2240 |
| Tensile Strength, MPa (Min) | 14 | 14.5 | D412 |
| Elongation, % (Min) | 250 | 315 | D412 |
| Gravity | — | 1.263 | D297 |
| Heat Resistance — 70 h at 100 °C | |||
| Hardness Change | ± 15 | +5 | D573 |
| Tensile Strength Change, % | ± 30 | +15 | D573 |
| Elongation Change, % (Max) | − 50 | − 12 | D573 |
| Compression Set, 22 h at 100 °C (Max) | 25 | 14 | D395 |
| No. 1 Oil Resistance | |||
| Change in Hardness | − 10 to +5 | +1 | D471 |
| Change in Tensile, % (Max) | − 25 | − 16 | D471 |
| Change in Elongation, % | − 45 | − 20 | D471 |
| Change in Volume, % | 0 to 25 | +6 | D471 |
| Fuel Resistance — 70 h at 23 °C | |||
| Hardness Change | ± 10 | +3 | D471 |
| Tensile Change, % (Max) | − 25 | − 8 | D471 |
| Elongation Change, % (Max) | − 25 | − 10 | D471 |
| Change in Volume, % | − 5 to +10 | +3 | D471 |
| Water Resistance | |||
| Change in Hardness | — | +3 | D417 |
| Change in Tensile | — | +5 | D417 |
| Change in Elongation | — | − 14 | D417 |
| Change in Volume, % | ± 15 | +3 | D417 |
| Low Temperature Resistance | |||
| 3 min at − 40 °C | Non-brittle | Pass | D2137 |
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