1. Professional factory 2. Raw material:R200P 3. ISO15874 DIN8077-8078 4. ISO9001 ISO14001 AENOR PPR Pipe with Aluminum FoilIntroduction: It has five layers. The inside and ousite layers are made of PPR, tightly bonded with PP-based adhesive to the mid-layer of aluminum foil, which is well welded in an over-lapping way. It is a kind of perfect combination of metal pipe and plastic pipe. Features: ...