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Oil resistant conveyor belt is suitable for transporting oily materials, or used in environment exposed to working oil. We select NBR as belt covers. NBR has a high content of acrylonitrile with excellent oil resistant property.
| Type | Tensile Strength / MPa | Breaking elongation / % | Abrasion loss / mm³ |
|---|---|---|---|
| LO | ≥14.0 | ≥350 | ≤200 |
| DO | ≥16.0 | ≥350 | ≤160 |
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Note: LO - used in general oily working conditions. DO - used in high abrasion & oily working conditions. |
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Change rate of tensile strength and breaking elongation are both not more than 25% of before-aging values.
| Serial number | Test conditions of soak liquid | Volume change rate / % ≤ | |||
|---|---|---|---|---|---|
| Oil number in GB/T1690 | Soak temperature / °C | Soak time / h | LO | DO | |
| 1 | #2 oil | 70±2 | 70 +0/-1 | +20 | -5 |
| 2 | #3 oil | 70±2 | 70 +0/-1 | +50 | +5 |
| 3 | #3 oil | 100±2 | 22±0.25 | +50 | +5 |
| Note: You only need to choose one of the above three methods. | |||||