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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 excellent oil resistant property.
2. Physical properties of rubber cover
a. Physical 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 number
Test conditions of soak liquid
Volume change rate/% ≤
Oil number 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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