Oxygen Barrier
Oxygen-barrier PEX tubing is engineered for closed-loop, hydronic systems where dissolved oxygen must be minimized to protect ferrous components. It incorporates a barrier layer to limit oxygen permeation through the polymer matrix. This barrier maintains system water chemistry, reduces corrosion, and improves longevity of system components. Oxygen-barrier PEX retains the mechanical properties and joining methods of non-barrier PEX while conforming to permeability requirements specified in standards such as ASTM F876.