HG2297-92 Heat Resistant Rubber Conveyor Belt

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Hebei Jingxian Huamei Mining Machinery Manufacturing Co., Ltd.

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HG2297-92 Heat Resistant Rubber Conveyor Belt

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Heat Resistant Conveyor Belt

Heat resistant conveyor belt is made of the multi-ply rubber polyester cotton canvas covered with the high temperature or heat resistant rubbers, which are bonded through high temperature vulcanization, it is applicable to conveying of the coke, cement, clinker and hot casting etc.

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.

2, Heat resistant conveyor belt physical property of the cover rubber after heat test shall conform to the values specified in the table.

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

3, Heat resistant conveyor belt abrasive wear of the cover rubber

Type Item level	Abrasive wear
Type Item level	type I	type II	type III
First quality	0.8	1.0	1.0
accepts	1.0	1.2	1.2

4, Heat resistant conveyor beltlayer to layer adhesion strength

Item	interlayer of cloth	cover layer and cloth interlayer
Item	interlayer of cloth	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

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