... roll2)Non-toxic,anti-corrosive3)Strength as same as metal pipe, but easier to bend4)The fluids cannot be contaminated ... buildings in northern, park, airport, and so on;3. Pipe used for solar energy water heater;4. Coal gas and ... . Pipes used for sleeve of wire or cable;9. Pipe/tube used for oxygen input in hospital;10. Pipes used ... Any questions ,contact us feel free and easy! PEX-AL-PEX Composite Pipe