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Heat Resistant Fabric Conveyor Belt

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Description

1. Applications

Heat resistant conveyor belt is suitable for transporting high temperature materials, such as sintering ore, hot coke, cement clinker, hot casting, etc. According to heat resistant grade of different working conditions, we use EPDM or SBR as cover rubber and use high-strength EP or cotton canvas as tension element.


2. Heat resistant grade

Four grades divided according to different testing temperatures:

GradeTesting temperature(≤)
T1100℃
T2125℃
T3150℃
T4175℃


3. Physical properties of rubber cover

ItemGrade
T1T2T3T4
Changing range allowed
HardnessDifference between before-aging and after-aging (IRHD)+20+20±20±20
Maximum value after aging (IRHD)85858585
Tensile strengthChange rate of property/ %-25-30-40-40
Minimum value after aging/ MPa121055
Breaking elongationChange rate after aging/ %-50-50-55-55
Minimum value after aging/ %200200180180


4. Full-thickness tensile propertiesa.

a. Full thickness, longitudinal tensile strength after-aging test reduces not lower than 30% of before-aging values.

b. Full thickness, longitudinal elongation at reference force, not more than 4%.

c. Longitudinal tensile strength, not less than the below table. (N/mm)

Nominal belt type160200250315400500630
800100012501600200025003150


5. Ply adhesion at normal temperature

ItemPly to plyRubber cover to ply
All samples average value/ (N/mm) ≥4.53.5
All samples min peak value/ (N/mm) ≥3.92.9


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