Home > Products > Steel Cord Conveyor Belt > Fire Resistant Steel Cord Conveyor Belt for Coal Mine
Fire Resistant Steel Cord Conveyor Belt for Coal Mine
- 8000 Meter / Meters per Month
- Tianjin
- T/T L/C Other
- 15 days
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Product Details
Place of Origin: | China | Buckle Material: | Steel | Belt Material: | Steel |
Product Description
Coal Mine Steel Cord conveyor Belt, Fire Resistant Steel Cord Belt, High Temperature Conveyor Belt Manufacturer
1. Applications
Fire resistant steel cord conveyor belt is suitable for underground mines. It should meet requirements of electrical and fire safety properties.
2. Physical Properties of Rubber Cover
Item | Index | |
Tensile Strength/Mpa ≥ | 15 | |
Breaking Elongation/% ≥ | 350 | |
Abrasion Loss/mm3 ≤ | 200 | |
After aging test(70℃×168h) | Change rate of tensile strength/% | ±25 |
Change rate of breaking elongation/% | ±25 |
3. Adhesion
a. Adhesion between rubber cover and belt core: ≥12N/mm.
b. Adhesion of steel core (N/mm)
Belt type | 630 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 2800 | 3150 | 3500 | 4000 | 4500 | 5000 | 5400 |
Before- aging, ≥ | 60 | 70 | 80 | 95 | 105 | 105 | 130 | 135 | 140 | 145 | 150 | 165 | 175 | 180 |
After- aging, ≥ | 55 | 65 | 75 | 90 | 95 | 95 | 120 | 125 | 130 | 140 | 145 | 160 | 170 | 175 |
4. Specification
Specification of steel cord conveyor belt
Belt type | ST630 | ST800 | ST1000 | ST1250 | ST1600 | ST2000 | ST2500 | ST2800 | ST3150 | ST3500 | ST4000 | ST4500 | ST5000 | ST5400 |
Min. tensile strength (N/mm) | 630 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 2800 | 3150 | 3500 | 4000 | 4500 | 5000 | 5400 |
Max. diameter of steel cord (mm) | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 6.0 | 7.2 | 7.6 | 8.1 | 8.6 | 8.9 | 9.7 | 10.9 | 11.3 |
Steel cord pitch (mm) (±1.5) | 10.0 | 10.0 | 12.0 | 12.0 | 12.0 | 12.0 | 15.0 | 15 | 15.0 | 15.0 | 15.0 | 16.0 | 16.0 | 17.0 |
Top cover thickness (mm) | 5.0 | 5.0 | 6.0 | 6.0 | 6.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.5 | 9.0 |
Bottom cover thickness (mm) | 5.0 | 5.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.5 | 9.0 |
Belt width | Number of steel cord | |||||||||||||
800 | 75 | 75 | 63 | 63 | 63 | 63 | 50 | 50 | 50 | 50 | 50 | 46 | 46 | 43 |
1000 | 95 | 95 | 79 | 79 | 79 | 79 | 64 | 64 | 64 | 64 | 64 | 59 | 59 | 55 |
1200 | 113 | 113 | 94 | 94 | 94 | 94 | 76 | 76 | 76 | 76 | 76 | 71 | 71 | 66 |
1400 | 133 | 133 | 111 | 111 | 111 | 111 | 89 | 89 | 89 | 89 | 89 | 84 | 84 | 78 |
1600 | 151 | 151 | 126 | 126 | 126 | 126 | 101 | 101 | 101 | 101 | 101 | 96 | 96 | 90 |
1800 | 171 | 171 | 143 | 143 | 143 | 143 | 114 | 114 | 114 | 114 | 114 | 109 | 109 | 102 |
2000 | 191 | 191 | 159 | 159 | 159 | 159 | 128 | 128 | 128 | 128 | 128 | 121 | 121 | 113 |
2200 | 211 | 211 | 176 | 176 | 176 | 176 | 141 | 141 | 141 | 141 | 141 | 134 | 134 | 125 |
5. Safety property
Item | Fire resistant properties | |
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 9 samples without covers, not more than 5s, any single value not more than 15s. |
Anti-static test | Surface resistance ≤ 3×108Ω | |
Drum friction test | no flame reappear, ≤ 325℃ | |
Tunnel propane burning test | a. Undamaged sample length ≥600mm, or b. Undamaged sample length ≥50mm, ≤140℃ rising, damaged length≤1250mm |
Rubber Belt, Fabric Conveyor Belt, Steel Cord Conveyor Belt, Solid Woven Conveyor Belt Manufacturer
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- Baoding Huayue Rubber Belts Co., Ltd.
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