Common problems and solutions of PPR pipe
PPR pipe is also called three-type polypropylene pipe and random copolymer polypropylene. The random copolymer polypropylene can be extruded into pipe material and can also be injected into pipe fittings. The random copolymer of polypropylene is also a kind of polypropylene. The basic structure of its polymer chain is modified by adding different kinds of monomer molecules. Ethylene is the most