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Fire Resistant Steel Cord Conveyor Belt for Underground Mine

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Description

1. Applications of Fire Resistant Steel Cord Conveyor Belt for Underground Mine, China Maker

Fire resistant steel cord conveyor belt (flame resistant steel cord conveyor belt) is suitable for underground mines. It should meet requirements of electrical and fire safety properties.

2. Technological Flow of Fire Resistant Buy Steel Cord Conveyor Belt

Fire Resistant Steel Cord Conveyor Belt for Underground Mine

3. Physical Properties of Rubber Cover, Low price Conveyor Belt

ItemIndex
Tensile Strength/Mpa ≥15
Breaking Elongation/% ≥350
Abrasion Loss/mm3 200
After aging test(70℃×168h)Change rate of tensile strength/%±25
Change rate of breaking elongation/%±25


4. Adhesion

a. Adhesion between rubber cover and belt core: ≥12N/mm.

b. Adhesion of steel core (N/mm)

Belt type630800100012501600200025002800315035004000450050005400
Before- aging, ≥60708095105105130135140145150165175180
After- aging, ≥556575909595120125130140145160170175


5. Specification

Specification of steel cord conveyor belt

Belt typeST630ST800ST1000ST1250ST1600ST2000ST2500ST2800ST3150ST3500ST4000ST4500ST5000ST5400
Min. tensile strength (N/mm)630800100012501600200025002800315035004000450050005400
Max. diameter of steel cord (mm)3.03.54.04.55.06.07.27.68.18.68.99.710.911.3
Steel cord pitch (mm) (±1.5)10.010.012.012.012.012.015.01515.015.015.016.016.017.0
Top cover thickness (mm)5.05.06.06.06.08.08.08.08.08.08.08.08.59.0
Bottom cover thickness (mm)5.05.06.06.06.06.06.06.08.08.08.08.08.59.0
Belt widthNumber of steel cord
8007575636363635050505050464643
10009595797979796464646464595955
1200113113949494947676767676717166
14001331331111111111118989898989848478
1600151151126126126126101101101101101969690
1800171171143143143143114114114114114109109102
2000191191159159159159128128128128128121121113
2200211211176176176176141141141141141134134125


6. Safety property

ItemFire resistant properties
Alcohol burner testAverage value of flame duration of 6 samples with covers, not more than 3s, any single value not more than 10s.Average value of flame duration of 9 samples without covers, not more than 5s, any single value not more than 15s.
Anti-static testSurface resistance ≤ 3×108Ω
Drum friction testno flame reappear, ≤ 325℃
Tunnel propane burning test

a. Undamaged sample length ≥600mm, or

b. Undamaged sample length ≥50mm, ≤140℃ rising, damaged length≤1250mm

7. Lab Test

Fire Resistant Steel Cord Conveyor Belt for Underground Mine

8. FAQs

Q1. Are you a factory?

A. Yes, We are a factory with 38 year history.

Q2. Could you do OEM production?

A. Yes, we can.

Q3. What about the lead time?

A. 15~30 days according to order quantity.

Q4. What is the warranty period?

A. 2~3+ years for general working conditions.

Q5. What is payment terms?

A. 1) T/T, 30% advance, 30% on b/l copy, or

    2) L/C at Sight or deferred, or

    3) Other payment terms approved.


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