1.Material: PE,PEX,AL 2.Dimension: 16mm-32mm 3 ... quality and competitive price Aluminum-plastic composite pipes(PEX-AL-PEX pipe):1, Non-toxic, corrosion resistance,light ... insulating oxygen,stop oxygen's penetration. Aluminum-plastic pipes can be used as shielding of communications lines, and ... are also suitable for conveying gas and fuel. Pipes can be bent freely and made straight backApplication: ...