| Customization: | Available |
|---|---|
| Type: | PVC/Pvg |
| Material: | Plastic/Rubber |
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1. Applications
Solid woven fire resistant conveyor belt (PVC/PVG type)
The belt is mainly used in underground coal transportation, also in metallurgy and chemical industry. It is manufactured by plasticizing or vulcanizing solid woven core, which is impregnated in PVC paste. PVG type has top & bottom cover made from NBR & PVC.
2. Characteristics
-high tensile strength
-big-volume & smooth transportation
-good fire/static/impact/abrasion/corrosion resistance.
-transporting angle<20 degree
3. Specification
| Type | Tensile strength/ N/mm, ≥ | Breaking elongation/ %, ≥ | Top/bottom cover/mm, ≥ | ||
| Longitudinal | Transversal | Longitudinal | Transversal | ||
| 680S | 680 | 265 | 15 | 18 | 1.5 |
| 800S | 800 | 280 | |||
| 1000S | 1000 | 300 | |||
| 1250S | 1250 | 350 | |||
| 1400S | 1400 | 350 | |||
| 1600S | 1600 | 400 | |||
| 1800S | 1800 | 400 | |||
| 2000S | 2000 | 400 | |||
| 2240S | 2240 | 450 | |||
| 2500S | 2500 | 450 | |||
4. Safety properties
| Item | Safety properties | |
| Anti-static test | Surface resistance≤3×108Ω | |
| Drum friction test | no flame reappear, ≤ 325ºC | |
| Alcohol burner test | Average value of flame duration of 6 samples with covers, not more than 3s, any single value not more than 10s. | Average value of flame duration of 18 samples without covers, not more than 5s, any single value not more than 15s. |
| Tunnel propane burning test | a. Undamaged sample length ≥600mm, orb. Undamaged sample length ≥50mm, ≤140ºC rising, damaged length≤1250mm | |
5. Physical Properties of Rubber Cover
| Item | Index |
| Tensile Strength/Mpa ≥ | 10.0 |
| Breaking Elongation/% ≥ | 350 |
| Abrasion Loss/mm3 ≤ | 200 |
6. Adhesion strength
| Item | Between cover and core | Inside core |
| Average value of adhesion strength/ N/mm, ≥ | 4 | - |
| Min. value of adhesion strength/ N/mm, ≥ | 3.25 | 6.5 |
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