Heat Resistant Conveyor Belt is mainly used for transporting high temperature materials, such as sintering ore, hot coke, cement clinker, hot casting, etc. According to the manifestation of that the belt is damaged till it's out-of-function, and according to its heat resistant grade, we use EPDM or SBR as cover rubber and use high-strength EP or cotton canvas as tension istant woven glass fabric can be placed between cover rubber and belt canvas, so as to improve its working life. We can manufacture endless belt as per clients' requirements.
1. sical and Mechanical Properties of Rubber Cover:
Item | Class | ||||
T1 | T2 | T3 | T4 | ||
Allowable Changing Range | |||||
Hardness | Difference between before-aging and after -aging(IRHD) | +20 | +20 | ±20 | ±20 |
Maximum value after aging(IRHD) | 85 | ||||
Tensile Strength | Change rate after aging(%) | -25 | -30 | -40 | -40 |
Minimum value after aging(MPa) | 12 | 10 | 5 | 5 | |
Elongation at break | Change rate after aging(%) | -50 | -50 | -55 | -55 |
Minimum value after aging(%) | 200 | 200 | 180 | 180 | |
2. Testing temperatures can be divided into four grades:
Grade | Can bear testing temperature(≤) |
T1 | 100℃ |
T2 | 125℃ |
T3 | 150℃ |
T4 | 175℃ |
Item |
Between the fabric layers | Between cover rubber and Fabric | |
Cover rubber thickness ≤1.5mm | Cover rubber thickness ≥1.5mm | ||
Average value of longitudinal test | 3.0 | 2.2 | 2.6 |
Lowest Peak of longitudinal test N/mm | 2.0 | 1.6 | 2.0 |
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