พลาสติก
เอกสารมาตรฐาน
สหรัฐอเมริกา
ASTM
F3507-21
Standard Practice for Butt-Fusion Joining of Crosslinkable Polyethylene (CX-PE) Pipe and Tubing
2021
15
ASTM Vol.08.05 (2023)
This practice describes procedures for making butt fusion joints with crosslinkable polyethylene (CX-PE) pipe and tubing2 which is less than 30 % crosslinked at the time of joining. This practice shall not be applied to crosslinked products, that is PEX pipe or tubing or to CX-PE after commissioning3 (commissioning transitions CX-PE pipe into crosslinked pipe)...