Fabric-core flame-retardant conveyor belt (including those for coal mines)
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I. Characteristics
This product is meticulously crafted from nylon canvas and polyester canvas through processes such as calendering, molding, and vulcanization. It is ideally suited for use in flammable and explosive environments—such as above-ground coal mines—to convey a variety of non-corrosive, non-sharp materials in bulk or piece form, including coal and other loose or packaged goods.
II. Physical Properties of the Cover Layer (Before Aging)
| Performance Type | Tensile strength Mpa≥ |
Tensile Elongation at Break % ≥ |
Wear Amount mm³ ≤ |
|||
| D | 17 | 450 | 175 | |||
| L | 14 | 400 | 200 | |||
III. Safety Performance
| Project | Flame-retardant Performance Rating | ||
| K1 | K₂ | K₃ | |
| Flame duration | The combined flame duration of 3 coated samples and 3 uncoated samples must not exceed 45 seconds. With a covering layer, a single value must not exceed 15 seconds; without a covering layer, a single value must not exceed 20 seconds. |
The total flame duration of the six coated samples must not exceed 45 seconds. No single value shall exceed 15 seconds. |
The average flame duration of the three coated samples must not exceed 60 seconds. |
| Electrostatic Dissipation Performance | ≤3 × 10⁻³ Ω | ||
| Reigniteability | No flame should reappear on any of the samples. | ||
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Fabric-core flame-retardant conveyor belt (including those for coal mines)
coal mine shaft
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Add:No. 12, Hexin Road, Sanhe Town, Tiantai County, Taizhou, Zhejiang, China
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