... minddle layer is Aluminum foil pipe welded,connected with outer layer PP-R ,inner layer is also PPR ,which ... Din8077/8078 standards.To match with the PP-RC stabi Pipe, Minde provides quality PP-R Fittings by Minde patent ... stronger and has a more aesthetic appearance.Along with the matched components and tools, Minde provides you ... C and 10 bar maximum pressure. Plumbing PP-RC Stabi pipe with Aluminum