Heat Resistance Rubber Conveyor Belt is made of multi-layer rubber cotton canvas (polyester cotton) or polyester canvas covered with high temperature or heat resistant rubber, vulcanized by high temperature bonding, suitable for conveying hot coke, cement, slag and hot castings below 175℃.
Heat Resistance Rubber Conveyor Belt is made of multi-layer rubber cotton canvas (polyester cotton) or polyester canvas covered with high temperature or heat resistant rubber, vulcanized by high temperature bonding, suitable for conveying hot coke, cement, slag and hot castings below 175℃. Mainly used in metallurgy, construction and other industries, conveying sinter, coke, cement clinker and other high-temperature materials, the material temperature does not exceed 800℃, belt surface temperature does not exceed 220℃ conditions for use.
Models:
Heat resistant conveyor belts fall into three models
Mode1: able to with stand the test temperature of less than 100°C, code S1
Mode2: able to with stand the test temperature of less than 125°C, code S2
Mode3: able to with stand the test temperature of less than 150°C, code S3
Mode4: able to with stand the test temperature of less than 175°C, code S4
The physical performance of cover rubber after heat-proof test comform to the specification in the table
Index | Model | ||||
Model1 | Model2 | Model3 | Model4 | ||
Variation range | |||||
Hardness | Difference after and before aging(IRHD) | 20 | ±20 | ±20 | |
Maxmum after aging(IRHD) | 85 | ||||
Tensile strength | Decrease of performance variance rate %<= | -25 | -30 | -40 | -40 |
Maxmum after aging Mpa | 12 | 10 | 5 | 5 | |
elongation at break | Performance variance rate % | -50 | -55 | -55 | |
Maxmum after aging % | 200 | 180 | 180 | ||
Adhesion of inter layer
Index | Between faberic layers | Between cover layer and belt core | |
Cover layer thickness 0.8-1.5mm | Cover layer thickness>1.5mm | ||
Average of all test samples,N/mm no less than | 3.0 | 2.2 | 2.6 |
The lowest data of all test samples,N/mm,no less than | 2.0 | 1.6 | 2.0
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