PEX (Cross-linked polyethylene) tubing are the next step in the development of polymer pipe. Through the use of the material PEX-b With a large number of bonds between molecules, PEX pipe can withstand high pressure and temperature changes, while offering amazing flexibility and strength.

In accordance with the requirements of ASTM Standard F 876-93, life expectancy of the pipe must be at least 50 years with the high factor of safety.

Aging PEX tubing and hydronic radiant heating systems, primarily affects the dissolved oxygen in the coolant that penetrates through the walls of the diffusion PEX tube. But special oxygen barrier layer (EVOH) penetration of oxygen into the coolant through the PEX pipe is less than 0.01 g/m3 per day, far exceeding the requirements.