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By certification 
Jiuhao PE-AL-PE pipe’s inner and outer layers are made of special PE, hygienic, toxic-free and smooth, its interlayer is aluminum, which is able to refuse 100% of gas permeability, combines both advantages of metal and plastic pipes.
Features:
1. Non-toxic, anti-corrosive
2. Light weight, strong mechanical properties and thermal-resistant ability
3. Low fragile humidity and long using life
4. Low flowing resistance inside the pipe, scaling can rarely happen
The fluids cannot be contaminated. Effective diameters are big
5. Oxygen is 100% isolated and infiltration is thoroughly prevented. In case they are used as shielding materials for telecommunication circuit, magnetic interference can be prevented
6. Anti-static, and suitable for gas and fuel transportation
7. Wide range working temp., high pressure resistance.
8. 50-year working life
Features:
1. Non-toxic, anti-corrosive
2. Light weight, strong mechanical properties and thermal-resistant ability
3. Low fragile humidity and long using life
4. Low flowing resistance inside the pipe, scaling can rarely happen
The fluids cannot be contaminated. Effective diameters are big
5. Oxygen is 100% isolated and infiltration is thoroughly prevented. In case they are used as shielding materials for telecommunication circuit, magnetic interference can be prevented
6. Anti-static, and suitable for gas and fuel transportation
7. Wide range working temp., high pressure resistance.
8. 50-year working life
