Heat-Resistant Steel Cord Conveyor Belt (≤150℃)
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Characteristics
Developed new structure carcass materials will reduce the strength loss of heat aging during running, and thus will extend the working life.
The cover uses superior ethylene-propylene rubber or halogenate rubber which will enhance the high temperature resistant property of the rubber and reduce the loss of heat aging.
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 |
Note: Cover thickness, cord diameter, and cord pitch can be manufactured according to customer’s requirements.
Cover Properties
| Item | GB2021 Standard | Double Arrow Standard | |||||
| T1 | T2 | T3 | T4 | DAHR150 | DAHR180 | ||
| Test temperature | |||||||
| ≤100°C | ≤125°C | ≤150°C | ≤175°C | ≤150°C | ≤180°C | ||
| Permitted change range | |||||||
| Hardness | Difference before and after aging | +20 | ±20 | ±20 | ±20 | ±10 | ±10 |
| Maximum after aging | 85 | 85 | 85 | 85 | 75 | 75 | |
| Tensile strength | Change rate of property % | -25 | -30 | -40 | -40 | ±15 | ±25 |
| Minimum value after aging | 12 | 10 | 5 | 5 | 10 | 8 | |
| Elongation at break | Change rate after aging % | -50 | -50 | -55 | -55 | ±15 | ±15 |
| Minimum value after aging | 200 | 200 | 180 | 180 | 400 | 350 | |
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Heat-Resistant Steel Cord Conveyor Belt (≤150℃)
quality heat resistant conveyor belt
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Add:No. 12, Hexin Road, Sanhe Town, Tiantai County, Taizhou, Zhejiang, China
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