... AL Dimension: 16mm-32mm Standard: ASTM F1281/ASTM D1282Description:Aluminum-plastic composite pipes(PEX-AL-PEX pipe):1, Non-toxic, ... 3, 100% insulating oxygen,stop oxygen's penetration. Aluminum-plastic pipes can be used as shielding of communications lines, and ... ,Fry pond and heated greenhouse.Specifications:specificationpacking(m)1216100121620016201002026100263250 Aluminium Plastic Composite pipes