Industrial Belting

Industrial Belting is widely used for long distance, large amount and high speed conveying of materials in coal mining, minerals extraction, port, power, metallurgy, chemical, etc.

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CHARACTERISTICS

Good Flexibility

Good impact resistance

Long service life

Good troughability

Small elongation

Good Flexibility

WE CAN OFFER

1

It can be produced with the following rubber cover compounds:
General   Fire resistant   Cold resistant
Abrasion resistant   Heat resistant     Chemical resistant
Flame retardant

One in particular is that Grand Rubber applies the open type of steel cords, it can make the rubber penetrate among the steel cords. This will minimize the corrosion of the steel cords inside in case of any damage to the belt. Open steel cords also have higher elongation which allows excellent energy absorption in case of impact and easy transition from a toughed to a flat belt

2

With transverse reinforcement type
Insert one or two layers of transverse reinforcement between the top cover and cords or bottom cover and cords. Then the belt has higher resistance to be impacted and teared.

Standards offered:
GB/T9770, DIN22131, AS1333, BS490, JIS K6369, EN ISO15236, SANS 1336.

MAIN TECHNICAL INDEX

Technical DateSpecification ST
630		 ST
800		 ST
1000		 ST
1250		 ST
1600		 ST 2000 ST
2500		 ST
3150		 ST
3500		 ST
4000		 ST 4500 ST
5000		 ST
5400		 ST 6300 ST
7000		 ST
7500
（N/mm）Tensile Strength 630 800 1000 1250 1600 2000 2500 3150 3500 4000 4500 5000 5400 6300 7000 7500
（mm）Max Diameter of Cord 3.0 3.5 4.0 4.5 5.0 6.0 7.5 8.1 8.6 8.9 9.7 10.9 11.3 12.3 13.5 15.0
（mm）Pitch of Cord 10 10 12 12 12 12 15 15 15 15 16 17 17 18 19 21
(mm)Top Rubber Cover Thickness 5 5 6 6 6 8 8 8 8 8 8 8.5 9 10 10 10
(mm)Bottom Rubber Cover Thickness 5 5 6 6 6 6 6 8 8 8 8 8.5 9 10 10 10
(kg/m) Weight 18 19.5 22.5 24 25.9 31.8 36.1 40.4 43.8 45 45.1 50.7 53.4 59.5 63.7 68.7
(mm)Width Cord Number
800 75 75 63 63 63 63 50 50 50
1000 95 95 79 79 79 79 64 64 64 64 59 55 55 54 49 45
1200 113 113 94 94 94 94 76 76 77 77 71 66 66 63 59 54
1400 133 133 111 111 111 111 89 89 90 90 84 78 78 74 69 63
1600 151 151 126 126 126 126 101 101 104 104 96 90 90 85 80 72
1800 171 143 143 143 143 114 114 117 117 109 102 102 96 90 82
2000 159 159 159 159 128 128 130 130 121 113 113 107 101 91
2200 176 141 141 144 144 134 125 125 118 111 100
2400 193 155 155 157 157 146 137 137 129 121 109
2600 209 168 168 170 170 159 149 149 140 131 119
2800 230 184 184 184 184 171 161 161 151 142 129
3000 247 211 198 198 198 185 174 174 148 152 138
3200 264 211 211 211 211 198 186 186 158 162 147
Technical Date Specification ST
1000		 ST
1250		 ST
1600		 ST
2000		 ST
2500		 ST
3150		 ST
3500		 ST
4000		 ST
4500		 ST
5000		 ST
5400
Tensile Strength（N/mm） ST1000 1250 1600 2000 2500 3150 3500 4000 4500 5000 5400
Max diameter or cord 1000 4.9 5.6 5.6 7.2 8.1 8.6 8.9 9.7 10.9 11.3
Pitch of cord (Tolerance +1.5) 4.1 14 15 12 15 15 15 15 16 17 17
Thickness of cover (Minimum) 12 4 4 4 5 5.5 6.5 7 7.5 8 9
Width Cord Number
Width Tolerance
500 ±5 ±5 39 34 __ __ __ __ __ __ __ __
650 ±7 ±7 51 44 __ __ __ __ __ __ __ __
800 ±8 ±8 64 55 50 64 __ __ __ __ __ __
1000 ±10 ±10 81 69 64 81 64 64 64 64 59 55
1200 ±10 ±10 97 84 77 97 77 77 77 77 71 66
1400 ±12 ±12 114 98 90 114 90 90 90 90 84 78
1600 ±12 ±12 131 112 104 131 104 104 104 104 96 90
1800 ±14 ±14 147 127 117 147 117 117 117 117 109 102
2000 ±14 ±14 164 141 130 164 130 130 130 130 121 113
2200 ±15 ±15 181 155 144 181 144 144 144 144 134 125
2400 ±15 ±15 197 169 157 197 157 157 157 157 146 137
2600 ±15 ±15 214 184 170 214 170 170 170 170 159 149
2800 ±15 ±15 231 198 170 214 170 170 170 170 159 149
3000 ±15 ±15 247 212 197 247 197 197 197 197 184 172
3200 ±15 ±15 264 227 210 264 210 210 210 210 196 184
Type Standard and Main Technical Date
Conventional GB/T9770 DIN22131 JIS6369
Fire Resistant MT668 HG2539 DIN22131
Conventional Flame Retardant HG2539 II DIN22103 DIN22131
Heat Resistant HG/T2297 ISO4195
Abrasion Resistant ≤90mm3 DIN22131(W)Shore Abrasion ≤90mm DIN22131(W)
Heat Abrasion Resistant ≤150mm3 Resistant ≤125℃，Shore Abrasion ≤150mm3
Acid,Alkali,Oil Resistant HG4-846 HG/T 3714 RMA(MOR OR)
Low temperature Resistant Fragility Temperature -50℃~-20℃ HG/T3647
Ozone Resistant Ozone Density 50PPHM 40℃/72h No Crack
Type St
630		 St
800		 St
1000		 St
1250		 St
1600		 St
2000		 St
2500		 St
3150		 St
3500		 St
4000		 St
4500		 St
5000		 St
5400		 St
6300		 St 7000 St
7500
Min.DiameterPulley diameter（mm） 800 1000 1250 1400 1600 1800 2000

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