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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 |