... ,light weight, good mechanical strength and heat-resisting performance, PEX/AL/PEX PIPE 1, Non-toxic, corrosion resistance,light weight, good mechanical ... low temperature and long service life. 2, Fluid resistance inside pipe is small, not easy scaling, fluid not being polluted, and ... lot,ourdoor sport fileds,Fry pond and heated greenhouse. pex-al-pex pipe