... /mk, only for steel 1/200.3, good resistance to heat. Pp-r pipe vicat softening point 131.5 degrees Celsius. The ... , installation is convenient, reliable connect. Pp-r good weldability, pipe, tube can be used to melt and fused connection, convenient installation, reliable ... industry etc in piping systems.How to secure and economic chooses pp-r pipe?1, pay attention to the pipeline using coefficient C ...