This test method describes the general requirements for exposing crosslinked polyethylene (PEX) tubing produced in accordance with Specification F 876 to natural (sunlight), ultraviolet (UV) radiation.
ANSI/ASTM F2657:2008 history
2007ANSI/ASTM F2657:2008 Test Method for Outdoor Weathering Exposure of Crosslinked Polyethylene (pex) Tubing