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EP NN CC ST
PIONWAY
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Product Description
Heat Resistant Conveyor Belts
Advantages:
• Good heat resistant
• Low elongation
• Excellent ply adhesion
• Good impact resistance
• Excellent groove formation ability
• Good stability ever heated
• Good flexibility and troughability
• Full resistance to mildew, moisture and rotting
• High longitudinal and transverse breaking strength
Application areas
• Chemical sector
• Fertilizer industry
• Iron and steel industry
• Foundries
• Glass industry
• Metalworking industry
• Waste incineration
• Cement plants
The heat resistance conveyor belt is made of the Textile cord or Steel cord covered with the high temperature or heat resistant rubbers, which are bonded through high temperature vulcanization.
The heat resistance conveyor belt shall be in accordance with HG2297-92.
Table 1
| Type | Symbol | Maximum temperature resistance | Short-time operating temperature | Material |
| I | T1 | 100 ℃ | 150 ℃ | |
| II | T2 | 125 ℃ | 170 ℃ | |
| III | T3 / GT1 | 150 ℃ | 200 ℃ | |
| IV | T4 / GT2 | 175 ℃ | 230 ℃ | |
| GT3 | 150 ℃ | EPDM | ||
| GT4 | 175 ℃ | EPDM |
Item | Type | |||||
| T1 | T2 | T3 | T4 | |||
| Test temperature | ||||||
| ≤100℃ | ≤125℃ | ≤150℃ | ≤175℃ | |||
| change range allow | ||||||
| Hardness | Difference before and after aging (IRHD) | 20 | 20 | ±20 | ±20 | |
| Maximum value after aging (IRHD) | 85 | 85 | 85 | 85 | ||
| Tensile Strength | Change rate of property % ≤ | -25 | -30 | -40 | -40 | |
| Minimum value after aging /Mpa | 12 | 10 | 5 | 5 | ||
| Breaking Elongation | Change rate of property % ≤ | -50 | -50 | -55 | -55 | |
| Minimum value after aging % | 200 | 200 | 180 | 180 | ||
| Adhesive | Top cover rubber to ply | average value | 2.1 | |||
| Minimum value | 1.7 | |||||
| Ply to ply | Average value | 2.1 | ||||
| Minimum value | 1.7 | |||||
| Ply to Bottom cover rubber | Average value | 2.1 | ||||
| Minimum value | 1.7 | |||||
The heat resistance conveyor belt abrasive wear of the cover rubber
| Type | Abrasive wear | ||
| Item | |||
| Level | type I | type II | type III |
| First quality | 0.8 | 1 | 1 |
| Accepts | 1 | 1.2 | 1.2 |
The heat resistance conveyor belt layer to layer adhesion strength
Item | Interlayer of cloth | cover layer and cloth interlayer | |
| Thickness of the cover layer≤1.5mm | Thickness of the cover layer＞1.5mm | ||
The average value of the longitudinal specimen shall be no less than | 3 | 2.2 | 2.6 |
| The peak value of the longitudinal specimen | 2 | 1.6 | 2 |
