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| Customization: | Available |
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| Customized: | Customized |
| Certification: | RoHS, CE, ISO |
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| Size | Diameter : 5.5 cm |
| Tolerance | ±0.02 |
| Appearance | Round |
| Colour | Black or as your requirment |
| Material | NR NBR SBR EPDM,ect |
| Strengthof extention | 5.0 MP |
| Duro | Silicone about 20~80 Shore A; rubber about 40~85 Shore A |
| Tensile test | Very good |
| Coefficient of elongation | 180% |
| Oil ,wear,resistant water,dust proof | excellent |
| PH resistance test | Ozone and chemical resistance strong |
| Temperature resistance | -40°C-200°C |
| Technology | Moulding, punch, extrusion |
| Function | Durable ,bouncy |
| Use time | More than Ten year |
| Certificate | ISO And FDA |
| Package | Inner pack is paper card , and out package is carton box |
| Transport | By UPS ,DHL,Fed Ex ,by air and by sea |
| Time of develop | 10~12 days |
| After service | Track your using situation |
| Payment | 50% in advance and then finished before delivery |
| Payment type | By TT ,Western Union PayPal |


| 1. | Offering 2D/3D design drawings, Samples or other basic information | |
| 2. | Materilas Demands: | |
| 3. | Sizes Tolerance Demands: | |
| 4. | Hardness Demands: | |
| 5. | Color Demands | |
| 6. | Mold Life Demands, Mold Steel Demands | |
| 7. | Surface Demands | |
| 8. | Order Quantity | |