Fabric type

Fabric structure

Fabric specs

Ply thickness

(mm/p)

Strength series(N/mm)

Cover rubber thickness(mm)

Width (mm)

Length (m)

Warp

Weft

2ply

3ply

4ply

5ply

6ply

Upper

Lower

Nylon (NN)

Nylon (NN)

Nylon (NN)

NN-100

0.75

200

300

400

500

600

1.5~6

1.5~4.5

400~1800

<=300

NN-150

0.80

300

450

600

750

900

NN-200

0.90

400

600

800

1000

1200

500~1800

NN-250

1.15

500

750

1000

1250

1500

NN-300

1.25

900

1200

1500

1800

NN-400

1.50

1600

2000

2400

800~1800

Performance level of the cover layer

symbol

The tensile strength shall be no less than

Rate of elongation at break shall be no less than

Abrasion wear mm3 shall be no more than

Mpa

Kgf/cm2

Heavy;

H

24

240

450

120

Common;

D

18

180

400

100

Light;

L

15

150

350

200

Indicators

Inter-layers

Inter layer between Cover layer and belt carcass

0.8-1.5mm Thickness of cover layer

0.8-1.5mm

>1.5mm Thickness of cover layer more than 1.5mm

Average value of the specimens, N/mm, no less than

4.5

3.2

3.5

Min. peak value of the specimens, N/mm, no less than

3.9

2.4

2.9