Polypropylene perfectly retains its properties at temperatures up to 75 – 80 ° C. Briefly, this material can withstand temperature loads up to 100 ° C. Best of all, according to experts, these PEX pipe have proven in public water supplies, since the level of hot water used for household needs, rarely exceeds 60 ° C.
When coolant temperature about 20 ° C the life of such pipes is not less than 50 years. At higher rates of heat stress, as well as operation in the winter and summer, this period is reduced depending on the coolant temperature.
