PPR-AL-PPR composite pipe

PPR-AL-PPR composite pipe for clean water supply system color: in order to customer logo: OEM in order to customer material: PPR, aluminium layer standards:CE,ISO9001,ISO14001,ISO/DIS15874-2.2-99 1.PPR-AL-PPR composite pipe has three layers as the name, from size 20 to size63..this pipe develops from PPR pipe, and the outer layer PPR is thicker than inner layer. its advantage than PPR pipe is: its transmission of light lower than PPR pipe and sealing property better than PPR