Fire Resistant Fabric Conveyor Belt

Author:hyconveyorbelt 2019-11-29 15:11:04 308 0 0

Fire Resistant Conveyor Belt, Coal Mine Steel Cord Belt, Chemical Resistant Fabric Conveyor Belt Manufacturer

1. Applications

Fire resistant conveyor belt is suitable for transporting non-corrosive, not sharp, lump, granular, powdery materials in flammable and explosive environment on the ground. It applies to power plant, coal mine, chemical industries.

2. Physical Properties of Rubber Cover (before ageing)

Grade

Tensile Strength/Mpa ≥

Breaking Elongation/% ≥

Abrasion Loss/mm

D

17

450

175

L

14

400

200

Note:Grade D-used for transporting highly abrasive materials.Grade L-used for transporting medium-abrasion materials.

After-ageing properties of rubber cover(70, 7days):

Tensile strength and breaking elongation are both not lower than 75% of before-ageing values.

3. Ply adhesion

Item

Ply to ply

Rubber cover to ply

Rubber cover thickness ≤1.5mm

Rubber cover thickness >1.5mm

All samples average value/ (N/mm) ≥

4.5

3.2

3.5

All samples min peak value/ (N/mm) ≥

3.9

2.4

2.9

Note: All samples max peak value is not more than 20N/mm.

 

4. Full-thickness Tensile Properties

aLongitudinal tensile strength, not less than the below table. (N/mm)

Nominal belt type

160

200

250

315

400

500

630

800

1000

1250

1600

2000

2500

3150

b. Full thickness, longitudinal elongation at reference force, not more than 4%

c. Straightness not more than 25mm

5. Safety property

Item

Fire resistant grade

K1

K2

K3

Duration of flame

Total value of flame duration of 3 samples with covers plus 3 samples without covers, not more than 45s. Any single value with covers not more than 15s, any single value without covers not more than 20s.

Total value of flame duration of 6 samples with covers, not more than 45s, any single value not more than 15s.

Average value of flame duration of 3 samples with covers, not more than 60s.

Static conductive properties

≤ 3×108Ω

Reappearance of flame

not allowed in any sample

 

Huayue started business by producing rubber belts since 1982. It has been one of Solid Woven Conveyor Belts manufacturers and is the major factory of fabric conveyor belt and Steel Cord Conveyor Belt in China.


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