PEX (Poly Ethylene X-linked) tubes is a flexible, easy to steer , multi-layer tubing suitable for dispensing hot water and cold potable water, and in heating and air conditioning systems. PEX tubes feature a 5-layer structure in which welded aluminum tubes are contained between two layers of interconnected polyethylene making them withstand high pressures , which are layers bound together by adhesive layers.
PEX Pipes PDF