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Cotton conveyor belt is suitable for transportation of short-distance, medium quantity.
2. Physical properties of rubber cover (before aging)
|Grade||Tensile Strength/Mpa ≥||Breaking Elongation/% ≥||Abrasion Loss/mm3 ≤|
|Note: Grade H-used for transporting sharp, abrasive materials which can damage belts badly. Grade D-used for transporting highly abrasive materials. Grade L-used for transporting medium-abrasion materials.|
After-aging properties of rubber cover(70℃, 7days):
Tensile strength and breaking elongation are both not lower than 75% of before-aging values.
3. Ply adhesion
|Item||Ply to ply||Rubber cover to ply|
|Rubber cover thickness ≤1.5mm||Rubber cover thickness >1.5mm|
|All samples average value/ (N/mm) ≥||3.2||2.1||2.7|
|All samples min peak value/ (N/mm) ≥||2.7||1.6||2.2|
|Note: All samples max peak value is not more than 20N/mm.|
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