Dongguan Ruichen Sealing Co., Ltd.
TO BE O RING KING
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ORK Metric O-Ring Seals For Automobile , High Temperature O Rings IIR 70
o ring seals discription :
1. Material: MVQ or other silicone rubber as per customer's requirement
2. Hardness: 20~75 shores A
3. Temperature and range: -70 to 275 ºC
4. Performance: With good sealing, water resistance, oil resistance, anti-aging and insulation performance.
1) Tensile Strength ≥2.0 Mpa
2) Elongation ≥500%
3) Tear Strength≥3.5 kN/m
5. Colour: various colours
6. Dimension: as per customer's requirement
7. Packing: PP bag and carton
Our automotive rubber seals are widely used in automotive electrical and electronic system.
Production process:
1 Raw material incoming inspection
2 Preparing materials according to the recipe.
3 Mixing
4 Test
5 Vulcanization
6 Inspection of first and last parts
7 Trimming
8 Second vulcanization
9 Final inspection
10 Packing
11 Storage
| IIR 70 TEST REPORT ASTM D2000 M2BG 714 B14 EO14 EF11 EF21 EA14 F17 | |||
| PROPERITIES | SPECIFICATION | TEST RESULT | TEST METHOD |
| Hardness shore A | 70±5 | 66 | D2240 |
| Tensile MPA Min | 8 | 8.86 | D412 |
| Elongation % Min | 100 | 116.2 | D412 |
| Gravity |
|
| D297 |
| Heat resistant 70h 100℃ Hardness change |
|
| D573 |
| Tensile strength% | ±30 | ﹢15 |
|
| Elongation Max | -50 | -12 |
|
| Compression Max 22h at 100℃ | 60% | 53.2% | 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 |
