Flame Resistant Steel Cord Conveyor Belt for General Use(including those for coal mines)
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Characteristics
The product is made of nylon canvas or EP canvas and finished through the processes of calendering, assembling, vulcanizing, etc. The unique formula enables it to work continuously in a flammable environment.
Standard Specifications
| Strength grade | Tensile strength (KN/m) | Cord pitch (mm) | Cord diameter (mm) | Min. breaking force (KN) | Min. cover thickness (mm) |
| ST-500 | 500 | 10 | 2.5 | 5.5 | 4 |
| ST-630 | 630 | 10 | 2.8 | 7 | 4 |
| ST-800 | 800 | 10 | 3 | 8.9 | 4 |
| ST-1000 | 1000 | 12 | 3.7 | 12.9 | 4 |
| ST-1250 | 1250 | 12 | 4.2 | 16.1 | 4 |
| ST-1400 | 1400 | 12 | 4.3 | 18 | 4 |
| ST-1600 | 1600 | 12 | 4.7 | 20.6 | 4 |
| ST-2000 | 2000 | 12 | 5.3 | 25.6 | 4 |
| ST-2250 | 2250 | 12 | 5.3 | 29 | 4 |
| ST-2500 | 2500 | 15 | 6.8 | 40 | 5 |
| ST-2800 | 2800 | 15 | 7 | 44.8 | 5 |
| ST-3150 | 3150 | 15 | 7.8 | 50.5 | 5.5 |
| ST-3500 | 3500 | 15 | 8.2 | 56 | 6 |
| ST-4000 | 4000 | 15 | 8.8 | 63.5 | 6.5 |
| ST-4500 | 4500 | 16 | 9.7 | 76.3 | 7 |
| ST-5000 | 5000 | 17 | 10.9 | 91 | 7.5 |
| ST-5400 | 5400 | 17 | 11.3 | 98.2 | 8 |
| ST-6300 | 6300 | 19.5 | 12.8 | 130.4 | 10 |
| ST-7000 | 7000 | 19.5 | 13.5 | 142.4 | 10 |
| ST-7500 | 7500 | 19.5 | 13.8 | 166.7 | 10 |
| ST-8000 | 8000 | 21 | 14 | 180.9 | 10 |
| ST-9000 | 9000 | 21 | 14.8 | 203.2 | 11 |
| ST-10000 | 10000 | 21 | 15.5 | 225 | 11 |
Note: Cover thickness, cord diameter, and cord pitch can be manufactured according to customer’s requirements.
Cover Grades
| Grade | Tensile strength min. (ISO37) Mpa | Elongation at break min. (ISO37) % | Abrasion resistance max. (ISO4649) mm³ |
| D | 18 | 450 | 200 |
| L | 14 | 400 | 250 |
Safety properties
| Items | Flame resistant grade | |||||
| K2 | K3 | |||||
| Duration of flame | The total duration of flame of 6 testpieces with covers is less than45S,any individual test piece does notexceed 15 S | Average value of duration of flameof 3 test pieces with covers doesnot exceed 60S | ||||
| Anti-static property | ≤3×10⁸Ω | |||||
| Reapperance | There should be no reappearance of flame on any test piece. | |||||
Flame resistant conveyor belt is widely used in mining, metallurgy, power plants, and heavy industrial production lines where high temperature and fire risk are common. It is engineered to ensure safe and stable material transportation while maintaining continuous operation in harsh working environments.
In real industrial conditions, conveyor systems are often exposed to heat sources, friction, and potential ignition risks that can cause serious downtime and safety hazards. Flame resistant conveyor belts solve these problems by using specially formulated rubber compounds and reinforced fabric layers that resist combustion and slow flame spread, significantly improving operational safety.
A mining plant case shows that after upgrading to flame resistant conveyor belts, fire-related interruptions were greatly reduced and overall material handling efficiency improved. Similarly, power plants benefit from safer coal transport systems, lower maintenance risks, and more stable long-term operation.
As industrial safety requirements continue to increase, flame resistant conveyor belts have become an essential solution for ensuring reliable, efficient, and safe material conveying in high-risk industries.
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Flame Resistant Steel Cord Conveyor Belt for General Use(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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