Oil Resistant Conveyor Belts, Rubber Conveyor Belts, NBR Conveyor Belt China
1. Applications
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 exnt oil resistant property.
2. sical properties of rubber cover
a. sical properties of rubber cover
| Type | Tensile Strength/ MPa | Breaking elongation/ % | Abrasion loss/ mm3 |
| LO | ≥14.0 | ≥350 | ≤200 |
| DO | ≥16.0 | ≥350 | ≤160 |
| Note：LO-used in general oily working conditions.DO-used in high abrasion & oily working conditions. | |||
After-aging properties of rubber cover(70℃×168h):
Change rate of tensile strength and breaking elongation are both not more than 25% of before-aging values.
b. Oil resistant properties of rubber cover
| Serial o:p> | Test conditions of soak liquid | Volume change rate/% ≤ | |||
| Oil in GB/T1690 | Soak temperature/℃ | 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. | |||||
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