... . ISO15874 DIN8077-8078 4. ISO9001 ISO14001 AENOR PPR Pipe with Aluminum Foil Introduction: It has five layers. The inside ... Features: Material: Polypropylene & Aluminum foilPressure Rating: 1.0,1.25,1.6,2.0MPaStandard: ISO 15874: 2003, DIN8077-8078Certification: ISO9001 ... : no heavy metal additives, would not be covered with dirt or contaminated by bacterium Lower installation costs: light weight and ...