Heat Resistant Conveyor Belt

Heat Resistance Covneyor belt

The Heat Resistance Conveyor Belt is made of the multilayer rubber cotton canvas 'polyester cotton' 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.

The Heat Resistance Conveyor Belt is made of the multilayer rubber cotton canvas 'polyester cotton' 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、The heat resistance conveyor belt's specification shall be identical with that of the conventional conveyor belt.

2、The heat resistance conveyor belt shall be in accordance with HG2297-92.

3、The 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.

4、The Heat Resistance 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 ageing (IRHD)


±20

Max. Value after ageing (IRHD)

85

Tensile strength

variable rate in performance   ≤

25

30

40

Min. value after ageing Mpa

12

10

5

Rate of elongation at break

variable rate in performance% ≤

50

55

Min. value after ageing

200

180

5、The heat resistance conveyor belt abrasive wear of the cover rubber


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

6、The heat resistance conveyor belt layer to layer adhesion strength

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