Description
Uponor MLC Tubing is a multi-layered composite tubing consisting of an interior aluminum tubing lined with inner and outer layers of PEX. Layers are bonded to the aluminum by a special adhesive. MLC offers 100% oxygen diffusion, protects against corrosion and can be embedded in concrete and installed in walls, floors and ceilings.

The flexibility of MLC tubing results in easy roll-outs. The stay-in-place rigid feature of the tubing works great for hydronic baseboard, radiator, unit heaters, air handlers or manifold connections.

Uponor MLC tubing is manufactured to the following standard:
  • ASTM F1281 (Standard Specification for Cross-linked Polyethylene/Aluminum/Cross-linked Polyethylene (PEX-AL-PEX) Pressure Pipe

Uponor MLC tubing carries the following Standard Grade Hydrostatic ratings from Plastic Pipe Institute (PPI):
  • 200 degrees F at 100 psi
  • 180 degrees F at 125 psi
  • 140 degrees F at 160 psi
  • 73 degrees F at 200 psi

Uponor MLC has the following listings
  • ICC
Uponor MLC is approved in the following codes.
  • IMC

Note: Uponor MLC tubing is used in hydronic heating installations only.

MultiPress MLC PEX-AL-PEX Fittings and PEX-AL-PEX Compression Fittings can be used to make piping and manifold connections with this tubing.

PEX-al-PEX Chamfering Tool (1/2", 3/4", 1") is required to ensure the tubing is prepped for secure connections.
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Specs
Size:
5/8"
Length (Feet):
300'
Tubing Type:
PEX-AL-PEX
Material:
PEX-AL-PEX
Color:
White
Application:
Heating
Max Pressure (PSI):
200
Grade:
PEX-b
Warranty:
25 Year
Standards Met:
ASTM 1281
NSF
Fitting System Compatibility:
Multipress
PEX-AL-PEX Compression
Max Temp (F):
200°F
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