Heat-resistant Conveyor Belt

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(1) the physical properties of the compound cover after heat resistance test are in accordance with the provision ...

(1) the physical properties of the compound cover after heat resistance test are in accordance with the provision

(1) the physical properties of the compound cover after heat resistance test are in accordance with the provisions in the table:

Project		Model
		Type 1	Type 2	Type 3
		Range of change
Strength	The old saying goes after the difference before aging（IRHD）	20		±20
	Maximum value after aging（IRHD）	85
tensile strength	Performance change rate reduction%≤	25	30	30
	Minimum value after agingMPa	12	10	5
Tensile elongation	Rate of performance change%≤	50		55
	Minimum value after aging%	200		180

（2）Covering layer wear:

（3）Bonding strength between layers:

Project	Inter layer	Covering layer and inter layer
Project	Inter layer	Thickness of covering layer ≤1.5mm	Thickness of covering layer ＞1.5mm
Longitudinal mean value≥	3.0	2.2	2.6
Longitudinal sample minimum peak≥	2.0	1.6	2.0