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NN Conveyor Belt
The carcass is NN fabric (both warp and weft is nylon fabric). Same with that of EP belt, NN belt also with the advantage of light in weight, high modulus, impact resistant, low elongation, good flexibility, good troughability, anti-heat, anti-humidity and avoid insect damage, it is suitable for long-distance, heavy-impact and heavy-abrasion material conveying.
Application
- Bulk handling, baggage handling, cement works, coal, foundries, wood working, sand pits, steel industry.
Advantage
- High resistance to tension
- Impact resistance
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Main Technical Data
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Total tensile strength
N/mm
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Fabric
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Top cover thickness (mm)
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Bottom cover thickness (mm)
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200-800
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NN100
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3.0
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4.5
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6.0
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1.5
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3.0
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250-1000
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NN150
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3.0
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4.5
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6.0
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1.5
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3.0
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315-1250
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NN200
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3.0
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4.5
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6.0
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1.5
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3.0
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400-1600
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NN250
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3.0
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4.5
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6.0
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1.5
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3.0
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500-2000
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NN300
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3.0
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4.5
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6.0
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1.5
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3.0
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630-2500
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NN400
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3.0
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4.5
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6.0
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1.5
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3.0
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Cover Property (DIN22102)
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Item
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Unit
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Rubber grade
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W
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X
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Y
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Z
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Tensile strength ≥
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N/mm2
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18
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25
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20
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15
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Elongation at break≥
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%
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400
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450
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400
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350
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Abrasion ≤
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mm3
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90
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120
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150
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250
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Adhesion between Layers (DIN22102) Unit: N/mm
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Adhesion between Fabrics(N/mm)
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Adhesion between Fabric and Rubber (N/mm)
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Cover ≤1.5mm
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Cover >1.5mm
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Max. ≤
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20
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20
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20
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Coverage ≥
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5
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3.5
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4.5
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Min. ≥
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4
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2.5
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3.5
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Min. Drum Diameter Recommended (for Reference Only)
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Item
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Min. Drum Diameter Recommended (mm)
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2 Plies
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3 Plies
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4 Plies
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5 Plies
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6 Plies
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7 Plies
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8 Plies
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NN100
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160
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250
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315
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400
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500
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630
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630
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NN150
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200
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315
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400
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500
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630
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630
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800
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NN200
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200
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315
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400
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500
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630
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800
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800
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NN250
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315
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400
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630
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630
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800
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1000
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1250
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NN300
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315
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400
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630
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630
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800
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1000
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1250
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NN400
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315
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500
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630
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800
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1000
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1250
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