PPR-AL-PPR pipe new style aluminum plastic ppr pipe PPR-AL-PPR pipePPR-AL-PPR Plastic Composite Pipes with Aluminum as Inner Part, Working ... Under High Temperature and Pressure Key Specifications/Special Features:Aluminum composite pipe Material: PPR, aluminmum With five layers, inside and outside Tightly ... ,...piping and fittings.Value: Quality, Trust ,Stable. PPR-AL-PPR pipe