1. Cleanliness：residual impurity inside ≤ 0.194mg/cm2
2. Expansion Volume of Brake hose: not less than 1.08mL/m under 6.9Mpa; not less than 1.38mL/m under 10.3Mpa
3. Burst pressure: Not less than 49Mpa for brake hose and not less than 110Mpa for brake pipes.
4. Brake Hose Tensile Strength Test: Not less than 1500N.
5. Salt spray Test: No red rust for joint during 480h; no red rust for tube during 1000h
This product is consist of double wall welding tubes, sockets, bolts and PTFE pipe. it has high-temperature resistance performance and it is easy to assemble.
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