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Coloured NBR Fuel Pump Diaphragm Rubber 70 , Waterproof Diaphragm High Intensity
Description :
1. Long lifespan, continuous operation can reach tens of thousands of hours;
2. Good fatigue resistance, high intensity, small elastic changes, can be used for high flow and high pressure requirements;
3. Excellent elasticity, low noise;
4. Hardness adjustable according to customer requirements from 40-65 degrees;
5. Temperature range from -40~150°C;
6. Applies to all the micro air pump, water pump use;
7. The products are of RoHS and ISO9001 approved;
8. We can make new mould according to your samples or drawings.
HNBR 70 TEST REPORT ASTM D2000 M2BG 714 B14 EO14 EF11 EF21 EA14 F17 | |||
PROPERITIES | SPECIFICATION | TEST RESULT | TEST METHOD |
Hardness shore A | 70±5 | 72 | D2240 |
Tensile MPA Min | 14 | 14.5 | D12 |
Elongation % Min | 250 | 315 | D412 |
Gravity |
| 1.263 | D297 |
Heat resistant 70h 100℃ Hardness change | ±15 | +5 | D573 |
Tensile strength% | ±30 | +15 |
|
Elongation Max | -50 | -12 |
|
Compression Max 22h at 100℃ | 25 | 14 | D395 |
NO1 oil resistant |
|
|
|
Change in hardness | -10~+5 | +1 | D471 |
Change in tensile Max | -25 | -16 |
|
Change in Elongation | -45 | -20 |
|
Change in Volume% | 0~25 | +6 |
|
Fuel resistant 70 H at 23℃ |
|
|
|
Hardness change | ±10 | +3 | D471 |
Tensile change Max | -25 | -8 |
|
Elongation change Max | -25 | -10 |
|
Change in Volume | -5~+10 | +3 |
|
Water Resistant |
|
| D417 |
Change in Hardness |
| +3 |
|
Change in tensile |
| +5 |
|
Change in Elongation |
| -14 |
|
Change in Volume | ±15 | +3 |
|
Low Temperature resistant |
|
| D2137 |
3 MIN -40℃ | Non brittle | Pass | D2137 |