Complaint
| Item | Unit | Specification | |
| Cover rubber property | Tension strength | Mpa | >=10 |
| Elongation at break | % | >=300 | |
| Abrasion loss | Cm2/1.61km | ≤1.0 | |
| Acid resistant 30% H2SO4 for 24hours | >=0.6 | ||
| Adhesion | Between rubber carcass | N/mm | >=2.7 |
| Between plies | >=3.2 | ||
