Steel Cord Heat Resistant Conveyor Belt
High strength conveyor belt is suitable for the working conditions which are long distance, high speed and heavy load transportation. To convey the powdery, granular materials and blocked materials with no corrosivity, such as coals, sands and stones. It also suitable for heavy load and high speed transportation of materials, which are widely used in coalmines, mines, chemical industry,metallurgy. construction, ports, and some other area. The rubber covers of high strength conveyor belt adopts high strength sizing, and the skeleton is adhered by multi plies of quality nylons or poly curtains.
specification
1.Cover Grades
Grades of cover | Tensile strength/Mpa | Elongation at break% | Abrasion/mm³ |
L | 15 | 350 | 200 |
D | 18 | 400 | 100 |
H | 24 | 450 | 120 |
H1 | 25 | 450 | 90 |
H2 | 28 | 450 | 90 |
H3 | 30 | 450 | 90 |
H4 | 35 | 450 | 90 |
2.Full thickness tensile performance
The vertical full thickness strength of belt is not smaller than the specified type in the form below. The minimum full thickness tensile strength (N/mm) = specified belt type
specified belt type | 160 | 200 | 250 | 315 | 400 | 500 | 630 |
800 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 |
3. The full thickness vertical reference strength elongation of belt is no more than 4%
4. The adherence strength between plies
item | between the fabric plies | between cover and belt cord | |
cover thickness between0.8-1.5mm | cover thickness>1.5mm | ||
Average of sample N/mm | 8.0 | 5.0 | 6.0 |
Minium of sample N/mm | 7.0 | 4.5 | 5.5 |
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