PPR insulation pipe connection technology?

PPR insulation pipe, also known as "pipe in pipe", consists of high-density polyethylene outer protective layer, polyurethane rigid foam plastic pipe and working pipe. The connection mode of PPR insulation pipe is mainly hot melt connection. Note: During the connection of PPR insulation pipe, the pipe and joint must be cleaned, and the dirt and impurities on the pipe surface should also be cleaned. Ensuring the minimum cleanliness is an auxiliary condition for PPR insulation pipe to play its outstanding advantages. Everything should be measured, and the length of the pipe should be appropriate when it is inserted into the pipe fitting.