... , DIN8077 4, large in stock Specifications:1, green nano level2, hot melt connection3, GB18742.2-2002, DIN80774, ... pipes. This green product can be directly used for pour water piping system. Beautiful appearance and light: ... and pressure resistance: The pipes can be used for a long time when the temperature is 70 ... degree. It can be used for short-term under 90 degree, while under 60 ...