Fire Resistant Steel Cord Conveyor Belt For Coal Mine - China

Coal Mine Steel Cord conveyor Belt, Fire Resistant Steel Cord Belt, High Temperature Conveyor Belt Manufacturer

1 - Applications

Fire resistant steel cord conveyor belt is suitable for underground mines.

It should meet requirements of electrical and fire safety properties.

2 - Physical Properties of Rubber Cover

Item Index

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 3 - Adhesion

a.

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

b.

Adhesion of steel core (N/mm)

Belt type 630 800 1000 1250 1600 2000 2500 2800 3150 3500 4000 4500 5000 5400

Before- aging, ≥ 60 70 80 95 105 105 130 135 140 145 150 165 175 180

After- aging, ≥ 55 65 75 90 95 95 120 125 130 140 145 160 170 175 4 - Specification

Specification of steel cord conveyor belt

Belt type ST630 ST800 ST1000 ST1250 ST1600 ST2000 ST2500 ST2800 ST3150 ST3500 ST4000 ST4500 ST5000 ST5400

Min.

tensile strength (N/mm) 630 800 1000 1250 1600 2000 2500 2800 3150 3500 4000 4500 5000 5400

Max.

diameter of steel cord (mm) 3.0 3.5 4.0 4.5 5.0 6.0 7.2 7.6 8.1 8.6 8.9 9.7 10.9 11.3

Steel cord pitch (mm) (±1.5) 10.0 10.0 12.0 12.0 12.0 12.0 15.0 15 15.0 15.0 15.0 16.0 16.0 17.0

Top cover thickness (mm) 5.0 5.0 6.0 6.0 6.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.5 9.0

Bottom cover thickness (mm) 5.0 5.0 6.0 6.0 6.0 6.0 6.0 6.0 8.0 8.0 8.0 8.0 8.5 9.0

Belt width Number of steel cord

800 75 75 63 63 63 63 50 50 50 50 50 46 46 43

1000 95 95 79 79 79 79 64 64 64 64 64 59 59 55

1200 113 113 94 94 94 94 76 76 76 76 76 71 71 66

1400 133 133 111 111 111 111 89 89 89 89 89 84 84 78

1600 151 151 126 126 126 126 101 101 101 101 101 96 96 90

1800 171 171 143 143 143 143 114 114 114 114 114 109 109 102

2000 191 191 159 159 159 159 128 128 128 128 128 121 121 113

2200 211 211 176 176 176 176 141 141 141 141 141 134 134 125 5 - Safety property

Item Fire resistant properties

Alcohol burner test Average 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 test Surface resistance ≤ 3×108Ω

Drum friction test no flame reappear, ≤ 325℃

Tunnel propane burning test a.

Undamaged sample length ≥600mm, or

b.

Undamaged sample length ≥50mm, ≤140℃ rising, damaged length≤1250mm Rubber Belt, Fabric Conveyor Belt, Steel Cord Conveyor Belt, Solid Woven Conveyor Belt Manufacturer

Company Contact:

• Posted By: Baoding Huayue Rubber Belts Co., Ltd.

• Phone: 86-312-3912064

• Address: Boye County Economic Development Zone, baoding , hebei , China

• Email:

• Business Description: Baoding Huayue Rubber Belts Co., Ltd started business by producing rubber belts since 1982 - It has been one of top 10 conveyor belts manufacturers and is the major factory of fabric conveyor belt in China.
  
  It covers an area of about 180666㎡ including building area 26666㎡.
  
  There are more than 300 staffs in our company.
  
  Registered capital is 200 million CNY, and annual production capacity is 30 million square meters.
  
  It has a complete R&D center and Testing Center.
  
  Our main products include steel cord conveyor belt, EP, Nylon conveyor belt, PVC PVG solid woven fire resistant conveyor belt.
  
  Anti-tear and fire resistant steel cord conveyor belt, more than 200 subclass types and sizes.