PPR hot-melt pipes cannot be glued together. PPR hot melt pipe must be connected by hot melt.
Hot-melt connection refers to a connection between non-metal and non-metal, which is heated to a (liquid) melting point. It is widely used in the connection of new pipes and fittings such as PPR pipes, PB pipes, PE-RT pipes, metal composite pipes, curved vector aluminum alloy lined plastic composite pipe systems.
Hot-melt connection mainly includes: hot-melt socket connection and hot-melt butt welding connection. Hot-melt connection has the advantages of simple connection, long service life, and not easy to corrode.