... w/mk, only for steel 1/200.3, good resistance to heat. Pp-r pipe vicat softening point ... 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 ... PN2.0 MPa experiment.it choose pipe, tube.3 and in consideration of the above three principles, ...