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1、Heat resistant conveyor belt’s specifications are identical with the conventional conveyor belt.
2、Heat resistant conveyor belt shall be in accordance with HG2297-92.
3、Heat resistant conveyor belt contains three types.
Type I; it is able to resist the test temperature of no more than 100℃, the max. short-time operating temperature is 150℃,the symbol is T1.
Type II; it is able to resist the test temperature of no more than 125℃, the max. short-time operating temperature is 170℃,the symbol is T2.
Type III; it is able to resist the test temperature of no more than 150℃, the max. short-time operating temperature is 200℃,the symbol is T3.
Type IV; it is able to resist the test temperature of no more than 175℃, the max. short-time operating temperature is 230℃,the symbol is T4.
Item | type | ||||||
type I | type II | type III | |||||
variable range | |||||||
Hardness | Difference before and after aging (IRHD) | ±20 | |||||
Max. Value after aging (IRHD) | 85 | ||||||
Tensile strength | variable rate in performance ≤ | 25 | 30 | 40 | |||
Min. value after aging Mpa | 12 | 10 | 5 | ||||
Rate of elongation at break | variable rate in performance% ≤ | 50 | 55 | ||||
Min. value after aging | 200 | 180 |
Type Item level | Abrasive wear | ||
type I | type II | type III | |
First quality | 0.8 | 1.0 | 1.0 |
accepts | 1.0 | 1.2 | 1.2 |
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 | 3.0 | 2.2 | 2.6 |
The peak value of the longitudinal specimen | 2.0 | 1.6 | 2.0 |
1、Heat resistant conveyor belt’s specifications are identical with the conventional conveyor belt.
2、Heat resistant conveyor belt shall be in accordance with HG2297-92.
3、Heat resistant conveyor belt contains three types.
Type I; it is able to resist the test temperature of no more than 100℃, the max. short-time operating temperature is 150℃,the symbol is T1.
Type II; it is able to resist the test temperature of no more than 125℃, the max. short-time operating temperature is 170℃,the symbol is T2.
Type III; it is able to resist the test temperature of no more than 150℃, the max. short-time operating temperature is 200℃,the symbol is T3.
Type IV; it is able to resist the test temperature of no more than 175℃, the max. short-time operating temperature is 230℃,the symbol is T4.
Item | type | ||||||
type I | type II | type III | |||||
variable range | |||||||
Hardness | Difference before and after aging (IRHD) | ±20 | |||||
Max. Value after aging (IRHD) | 85 | ||||||
Tensile strength | variable rate in performance ≤ | 25 | 30 | 40 | |||
Min. value after aging Mpa | 12 | 10 | 5 | ||||
Rate of elongation at break | variable rate in performance% ≤ | 50 | 55 | ||||
Min. value after aging | 200 | 180 |
Type Item level | Abrasive wear | ||
type I | type II | type III | |
First quality | 0.8 | 1.0 | 1.0 |
accepts | 1.0 | 1.2 | 1.2 |
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 | 3.0 | 2.2 | 2.6 |
The peak value of the longitudinal specimen | 2.0 | 1.6 | 2.0 |