... ,AL Dimension: 16mm-32mm Standard: ASTM F1281/ASTM D1282 Description:Aluminum-plastic composite pipes(PEX-AL-PEX pipe):1, Non-toxic, corrosion ... large diameter. 3, 100% insulating oxygen,stop oxygen's penetration. Aluminum-plastic pipes can be used as shielding of communications lines, and ... .888*21*8520262388*21*8526322598*21*98263226.398*21*98 Aluminum Plastic Composite Pipe