... only for steel 1/200.3, good resistance to heat. Pp-r pipe vicat softening point 131.5 ... degrees Celsius. The highest temperature to 95 degrees, which can meet the standard of ... 100 years.5, installation is convenient, reliable connect. Pp-r good weldability, pipe, tube can be ... or discharge of chemical industry etc in piping systems.How to secure and economic chooses pp-r pipe?1, pay ...