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Polyester (EP) conveyor belt

Availability:
Quantity:

Product classification:

According to whether there is edge glue: wrapping belt and trimming belt.

According to the framework material: nylon (NN) canvas core conveyor belt (nylon belt, NN belt for short);

Polyester (EP) canvas core conveyor belt (referred to as polyester belt, EP belt).


Purpose:

It is widely used in coal, mining, port, metallurgy, electric power, chemical industry, casting, building materials, cement and other industries and places that need high-speed and fast transportation of materials, and it is used to transport non corrosive block, granular, powder materials, bulk materials or finished articles.


Structure:

The common fabric core conveyor belt is made of multi-layer impregnated nylon (NN) canvas and polyester (EP) canvas as the skeleton material, covered with covering rubber with different properties, and manufactured through calendering, molding, vulcanization and other processes.


Features:

Nylon (NN) canvas core conveyor belt has the advantages of light belt body, good elasticity, high strength, impact resistance and grooving. It is suitable for conveying materials in medium and long distance, large volume and high speed.

Polyester (EP) canvas core conveyor belt has the advantages of high initial modulus, good thermal stability of belt body size, high strength, small elongation and impact resistance. It is suitable for conveying materials in medium and long distance, large volume and high speed.


Executive standard:

GB / t7984-2013 fabric core conveyor belt for general use

GB / t32457-2015 specification for conveyor belts with rubber or plastic covering for general purpose textile core conveyor belts

GB / t23677-2017 light conveyor belt


Main technical indicators:

Main technical indexes of GB / T 7984-2013 and GB / T 32457-2015

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.


Main technical indicators of foreign standards

Standard number

DIN 22102

AS1332、AS1333

SANS1173、SANS1366

Category

W

X

Y

Z

A

E

F

M

N

S

F

A

C

M

N

Breaking strength

MPa or more

18

25

20

15

17

14

14

24

17

14

14

18

20

25

17

Elongation at break

% greater than

400

450

400

350

400

300

300

450

400

300

400

400

400

450

400

Wear volume

Mm3 or less.

90

120

150

250

70

--

--

125

200

250

180

70

150

120

150






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