The melting point of PPR is 260 degrees.So it's lower than the temperature.The water is gasified at more than 95 degrees, and the high temperature resistance of the PPR tube is 95 degrees in China. Of course, there's no problem at 120 degrees.
The tolerance temperature of the PPR tube and the hot water pipe PPR is 95 degrees, and the instant can reach 110 degrees, and the cold water tube can not exceed 45 degrees. In the case of water pipe memory not less than 0 degrees, otherwise the water ice may put the pipe donglie. The tolerance pressure of the cold water tube is 1 or 1.6 MPa, and the tolerance pressure of the hot water tube is 1.6 or 2 MPa.