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Tear resistant fabric core conveyor belt

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Purpose:

The anti tearing fabric core conveyor belt is suitable for the fields of coal, mine, port, metallurgy, electric power, chemical industry, etc. it is also suitable for the places with high strength, long distance and large volume to transport sharp hard materials and high blanking height.


Structure:

The anti tearing fabric core conveyor belt is composed of upper covering layer, lower covering layer, polyester or nylon canvas layer, anti tearing layer and side glue.


Features:

The rubber surface of the conveyor belt on the polyester or nylon canvas core or the upper and lower cover rubber surface is added with a horizontally and evenly arranged anti tearing steel curtain or polyester wire mesh as the anti tearing layer, the anti tearing layer is perpendicular to the running direction of the conveyor belt, when the conveyor belt transports hard and sharp materials, the anti tearing layer can prevent the penetration of hard and sharp materials, once the penetration occurs, it can also produce enough resistance to hard and sharp materials Material tear resistance of the tape, so as to effectively prevent the occurrence of belt tear.


Main technical indicators:

Project

Type

NN、EP

Adhesion strength

Overlay and

Between cores

Thickness of covering layer > 1.5mm

More than N/mm

3.5

Thickness of covering layer: 0.8 ~ 1.5mm

More than N/mm

3.2

Between layers ≥ n / mm

4.5

Full thickness tensile strength value of tape / N / mm

160 ~ 3150

Elongation of full thickness longitudinal reference force of belt /% ≤

4

Coating performance


H (sharp wear)

D (high wear)

L (moderate wear)

Breaking strength / MPa ≥

24

18

15

Elongation at break /% ≥

450

400

350

Abrasion / mm3 ≤

120

100

200

Aging test (70 ℃× 168h)

Median value of tensile strength and elongation at break

It shall not be less than 75% of the corresponding value before aging.


Test conditions: ozone concentration (50 ± 5) × 10-8 (volume fraction), temperature (40 ± 2) ℃, elongation (20 ± 2)%, time 15-70h, ozone aging test results shall be free of cracks.


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