... :1, strong, thermostable:Because CPVC compares PP-R, PE-X to be firm.Compared with PP, the PE-X tube,under the similar ... of chlorine in water:A lot of polyolefin materials (including PP, PE) may be decomposed with water, while CPVC is not ... tube-pass heat, unlike other types of channels (such as PP-RRP) due to the higher temperature caused by heat expansion ...