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Heat resistant conveyor belts core of this product uses polyester canvas characterized by high modulus, low contraction and high tensile strength, As for covering glue, we select high performance EPDM or CIIR. This belt core is manufacturing through vulcanization equation and composite moulding and with high temperature resistance material. After being finalizing the design through special dipping, the belt core of this product enjoys high sizing strength. In normal operation situations with temperature below 180°C, it displays low tensile deformation and excellent wearing resistance. It could bear the high temperature of 250°C in short time.
It could be applied in cement industry, coking industry, metallurgy and steel and iron industry.
| Item | T1 | T2 | T3 | T4 | |
|---|---|---|---|---|---|
| Test temperature | ≤100°C | ≤125°C | ≤150°C | ≤175°C | |
| Hardness | Difference before/after aging | +20 | +20 | ±20 | ±20 |
| Maximum value after aging | 85 | 85 | 85 | 85 | |
| Tensile strength | Performance change rate % | -25 | -30 | -40 | -40 |
| Minimum value after aging (MPa) | 12 | 10 | 5 | 5 | |
| Elongation | Change rate after aging % | -50 | -50 | -55 | -55 |
| Minimum value after aging % | 200 | 200 | 180 | 180 | |