PE-AL-PE composite pipes core consists of aluminum with an inner and outer plastic layer, it is tightly bonded with a special adhesive to the aluminum core and all the layers are extruded in one step.

Thermal conductivity              0.45W/(m.k)

Coefficient of thermal expansion   0.025mm/(m.k)

Bend radius              ≥5D (D means outside diameter)

Working temperature      -40°C -- 95°C

Oxygen-permeability      0

Inside of the pipe        smooth and small resistance to liquids, its roughness coefficient is 0.0004mm

Other                  excellent property of static-shield and long lifespan
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