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Fabric type | Fabric structure | Fabric type | Fabric Thickness (mm/p) | (N/MM) Strength | (mm) Cover rubber thickness | Width (mm) | Length (m) | ||||||
Warp | Weft | 2ply | 3ply | 4ply | 5ply | 6ply | Top | Bottom | |||||
Nylon (NN) | Nylon (N) | Nylon (N) | NN-100 | 0.75 | 200 | 300 | 400 | 500 | 600 | 2-12 | 1-5 | 400-2500 | 10-400 |
NN-150 | 0.80 | 300 | 450 | 600 | 750 | 900 | |||||||
NN-200 | 0.90 | 400 | 600 | 800 | 1000 | 1200 | 500-2500 | ||||||
NN-250 | 1.15 | 500 | 750 | 1000 | 1250 | 1500 | |||||||
NN-300 | 1.25 | 900 | 1200 | 1500 | 1800 | ||||||||
NN-400 | 1.45 | 1600 | 2000 | 2400 | 800-2500 | ||||||||
NN-500 | 1.55 | 2000 | 2500 | 3000 |
Cover grade | Tensile | Elongation rate at break | Abrasion | Change rate of tensile strength and elongation after aging | |
Mpa | Kgf/SQ M | % | Mm3/1.61km | % | |
Heavy(H) | 18 | 180 | 400 | 0.7 | -25-+25 |
Medium(M) | 14 | 140 | 350 | 0.8 | -25-+25 |
Light(L) | 10 | 100 | 300 | 1.0 | -25-+25 |
Belt carcass | Adhesion | Elongation | |||
Between plies n/mm | n/mm Between rubber and carcass | Longitudinal Elongation break %≥ | Longitudinal elongation At reference load%≤ | ||
Rubber thickness≤1.5mm | Rubber thickness 1.5mm+ | ||||
Nylon canvas | ≥4.50 | ≥3.15 | ≥3.50 | 10 | 2.0 |