The information below will break down the PEX designation standards and provide guidance for selecting PEX products.

This standard describes PEX pressure pipe made from material having a standard PEX material designation code of PEX 1006 in ASTM F 876 for use as underground water service lines in …

PEX piping is made of cross-linked polyethelene. Cross-linked polyethelene is flexible, resistant to plumbing-environment chemicals, and can withstand the high and low temperatures found in …

2.2 Standards and Certifications The governing model codes within the United States and Canada define the required standards for PEX piping systems.

Sioux Chief PowerPEX® crosslinked polyethylene tubing shall be used in hot and cold potable water distribution or for approved non-potable system applications. PowerPEX® tubing is …

This Design Guide provides the information and resources necessary to design and install cross-linked polyethylene (PEX) water supply systems in residential buildings. It includes …

ASTM F2023: Oxidative resistance of PEX to Hot Chlorinated Water per NSF protocol P171 (Non-Barrier PEX Tubing). CSA B137.5: Crosslinked Polyethylene (PEX) Tubing Systems for …