China Hot Sale Air Brake Hose for Railway and Truck, Find details about China Air Brake Hose for Railway and Truck, Air Brake Hose from Hot Sale Air Brake Hose for Railway and Truck
ID | OD | Sub thickness No less than | Plies | Length | ||||
size | tolerance | size | tolerance | Protection layer | rubber | size | tolerance | |
36 | +-1 | 53 | +-1 | 2.3 | 1.2 | 5 | 565 | +-5 |
Testing project | Units | index | |
0.9Mpa(9kgf/cm2)Wind test | - | Do not leak | |
1.4Mpa(14kgf/cm2)Hydraulic test | Diameter changes Not more than | mm | 6 |
Length change Not more than | 10 | ||
Reverse changes Not more than | 20 | ||
Pressure of work Not more than | Mpa | 0.9(9kgf/cm2) | |
Burst pressure No less than | Mpa | 5.4(54kgf/cm2) | |
Stick with strength No less than | The inner rubber with cloth | kN/m | 1.5(1.5kgf/cm) |
And the inner rubber and cloth;Cloth and cloth | 2(2kgf/cm) | ||
Tensile strength No less than | Inner rubber | Mpa | 10(100kgf/cm2) |
The outer rubber | 11(110kgf/cm2) | ||
Tore elongation No less than | Inner rubber | % | 300 |
The outer rubber | 350 | ||
Aging performance(70Degrees Celsius*72h) | Tensile strength variation | % | +25--25 |
Tore elongation rate | +10--30 | ||
Drought-resistant coefficient(-45ºC)No less than | Inner rubber | - | 0.35 |
The outer rubber | 0.4 |