MrPEX | Oxygen Barrier PEX tubing & SS Manifolds
MrPEX Oxygen-Barrier PEX Tubing MrPEX® EVOH Oxygen Barrier PEX tubing is cross-linked polyethylene (PEX-A) manufactured in accordance with ASTM F 876. Tubing is flexible, kink-resistant and listed to ASTM F 876/877 (CSA B137.5) and ICC-PMG 1053 standards. MrPEX® Barrier PEX tubing is also certified by NSF and rated by the Hydrostatic Stress Board of PPI at: 160 psi at 73.4°F; 100 psi at 180°F; 80 psi at 200°F. Tubing sizes 3/8" through 3/4" have a thin coating of PE on top of the barrier in order to reduce noise when installed in joist applications and with aluminum heat transfer plates.... Read more