PPR aluminum-plastic composite pipe is abbreviated as aluminum-plastic pipe. It uses polyethylene or cross-linked polyethylene as the inner and outer layers, and a welded aluminum pipe is sandwiched between the middle core layer. The inner and outer surfaces of the aluminum pipe are coated with adhesive and bonded to the plastic layer. Tubes formed by a one-shot or two-shot composite process. Since 1992, the average annual growth rate of aluminum-plastic pipes in Europe has exceeded 20%. Compared to other pipes used in tap water systems, its growth rate is the highest.
