temperature resistent insulation pipes(copper connection assembling for air conditioner): Features: 1)length:In accordance with the requirement of customers . 2)thickness:3-20mm. 3)diameter:6-60mm. 4)material:PE ,copper 5)characteristic:low density and thermal conductivity, non-absorption,fireproof, heat-resistence,anti-aging,anti-UV,and anti-corrosion. 6)PE foaming insulation tubes are widely used in the areas of pipeline project, automatic and air conditioner refrigeration industry as the insulation parts. 7)Pls contact us provided you are interested in our products,we will make prompt attention and reply.