EP/NN CONVEYOR BELT
EP/NN CONVEYOR BELT
Purpose: polyester conveyor belt or EP conveyor belt, used in coal mines, cement plants, steel mills, metallurgical industry, construction and port, etc.
Features: high initial modulus of polyester, high strength, good resistance to water, into a good groove, impact resistance, elongation, suitable for long distance, high capacity, high speed conveying material conditions
Physical property of fabric
| Fabric | Fabric structure | Fabric type |
Fabric thickness(mm/p) |
Strength(N/mm) | Cover thickness (mm) |
Width(mm) | |||||||
| Warp | Weft | 2ply | 3ply | 4ply | 5ply | 6ply | Top cover | Bottom cover | Cut edged | Round edged | |||
| Polyester(EP) | Polyester(EP) | Polyamide | EP100 | 0.85 | 200 | 300 | 400 | 500 | 600 | 1.5-8 | 0-4.5 | 400-2200 | 76-2200 |
| EP125 | 0.9 | 250 | 375 | 500 | 625 | 750 | |||||||
| EP150 | 1 | 300 | 450 | 600 | 750 | 900 | |||||||
| EP200 | 1.1 | 400 | 600 | 800 | 1000 | 1200 | |||||||
| EP250 | 1.15 | 500 | 750 | 1000 | 1250 | 1500 | |||||||
| EP300 | 1.25 | 900 | 1200 | 1500 | 1800 | ||||||||
| EP400 | 1.45 | 1600 | 2000 | 2400 | |||||||||
| EP500 | 1.55 | 2000 | 2500 | 3000 | |||||||||
Physical property of cover rubber
| Type | Tensile | Elongation | Abrasion | Change rate of tensile strength and elongation at break after aging |
|
| mpa≥ | kgf/cm2 | %≥ | ㎜3≤ | % | |
| strong cracking operation condition(H) | 24 | 240 | 450 | 120 | -25~+25 |
| strong abrasion operation codition(H) | 18 | 180 | 400 | 100 | -25~+25 |
| common operation condition(L) | 15 | 150 | 350 | 200 | -25~+25 |
Cover thickness (0.8mm-1.6mm): tensile strength and elongation at break can be 15% below the above table is allowable.
Adhesion strength and elongation
| Fabric type EP | Adhesion | Elongation | |||
| Between plies N/MM |
Between rubber and fabric N/MM | Longitudinal elongation at break at all thickness of belt %≥ | Longitudinal reference tensile rate at all thickness of belt %≤ | ||
| Cover thickness (0.8-1.5mm) | Cover thickness≥1.5mm | ||||
| Mean value | ≥4.5 | ≥3.2 | ≥3.5 | 10 | 2 |
| Lowest data | ≥3.9 | ≥2.4 | ≥2.9 | 10 | 2 |
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