Cold resistant conveyor belt, product features: the selection of cotton canvas, nylon canvas or polyester canvas as the core, covering rubber with natural rubber and butadiene rubber glue, with high elasticity, impact resistance, cold resistance and other characteristics, can be normal use in the environment of -40 ℃.|
Limit deviation of overburden thickness |
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Nominal value of the thickness of upper and lower overburden |
Limit deviation |
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≤4 |
Upper deviation: Lower deviation is not specified：0.2mm |
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＞4 |
Upper deviation: not specified. Lower deviation: 5% of the base size |
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Physical properties of coverslip |
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Project |
Indicators |
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H |
D |
L |
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Tensile strengthMpa Not less than |
24 |
18 |
15 |
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Elongation at break/% Not less than |
450 |
400 |
350 |
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Abrasion quantity/mm3 |
120 |
100 |
200 |
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Aging test（70℃×168h）Rate of change of tensile strength/%Rate of change of elongation at break/% |
-25~+25 |
-25~+25 |
-25~+25 |
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Cold resistant performance |
Rate of change of tensile strength/% |
C1(-45℃) |
±20 |
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C2(-50℃) |
±25 |
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Rate of change of elongation at break/% |
C1(-45℃) |
±20 |
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C2(-50℃) |
±30 |
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Note：C1-----The ambient temperature is：-45℃~+45℃；C2-----The ambient temperature is -50℃~+45℃ |
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