No. | CORD CONSTRUCTION INDEX UNIT | 930dtex/1 (840D/1) | 930dtex/2 (840D/2) | 1400dtex/1 (1260D/1) | 1400dtex/2 (1260D/2) | 1400dtex/3 (1260D/3) | 1870dtex/1 (1680D/1) | 1870dtex/2 (1680D/2) | 2100dtex/2 (1890D/2) | ||
1 | TENSILE STRENGTH | N | ≥67.0 | ≥132.3 | ≥98.0 | ≥205.8 | ≥306 | ≥127.0 | ≥269.5 | ≥306.0 | |
2 | ELONGATION | AT 100N(10.2kgf) | % | ≤8.5 |
| 6.5-8.5 | |||||
AT 88.2N(9kgf) | 8±1.0 | ||||||||||
AT 66.6N(6.8kgf) | 8±0.7 | ||||||||||
AT 44N (4.5kgf) | 8±1.0 | ||||||||||
AT 44.1N(4.5kgf) | 8±1.0 | ||||||||||
AT 33N (3.4kgf) | 7.0±1.0 | ||||||||||
AT 22.6N(2.3kgf) | 7.5±1.0 | ||||||||||
3 | ADHESION (H-TEST) | N/cm | ≥49 | ≥98 | ≥64 | ≥117.6 | ≥150 | ≥78 | ≥137.2 | ≥150.0 | |
4 | ELONGATION AT BREAK | % | 20±2 | 22 ±2 | 20 ±2 | 22 ±2 | 21 ±2 | 20 ±2 | 22 ±2 | 21 ±2.0 | |
5 | CORD GAUGE | mm | 0.32±0.03 | 0.55±0.04 | 0.43±0.03 | 0.65±0.04 | 0.78 ±0.04 | 0.50±0.03 | 0.75±0.04 | 0.79 ±0.04 | |
6 | TWIST | T/m | 210±15 | 460±15 | 190±10 | 390±15 | 320 ±15 | 160±10 | 330±15 | 320 ±15 | |
7 | DIP PICK UP | % | 4.2±1.2 | 5±1.5 | 4.20±1.20 | 5±1.5 | 4.5 ±1.0 | 4.20±1.20 | 5±1.5 | 4.5 ±1.0 | |
8 | UNEVENNESS OF ELONGATION AT BREAK | % | ≤6.5 | ≤6.0 | ≤6.0 | ≤6.0 | ≤5.5 | ≤6.0 | ≤6.0 | ≤5.5 | |
9 | UNEVENNESS OF STRENGTH AT BREAK | % | ≤4.5 | ≤4.0 | ≤4.0 | ≤4.0 | ≤4 | ≤4.0 | ≤4.0 | ≤4.0 | |
10 | MOISTURE | % | ≤0.8 | ≤0.8 | ≤0.8 | ≤0.8 | ≤0.8 | ≤0.8 | ≤0.8 | ≤0.8 | |
11 | HEAT SHRINKAGE | % | ≤4.0 | ≤8.0 | ≤4.0 | ≤8.0 | ≤6.5 | ≤4.0 | ≤8.0 | ≤6.0 |
Dipped Nylon-6 Tire Cord Fabric