PE-Xb is laminated with the alloy
aluminum and special glue in the middle. It is also called
five layers pipe: PEXb/glue/aluminium/glue/PEXb. PAP pipe Can be
used for water and gas system. this kind pipe is used mostly for
water supply, gas pipe system, floor heating system. and there are
two kinds pipe on technology of PAP pipe; overlap-welding,
butt-welding( also called seamless or laser)
