ASTM F 2262—05 Standard Specification for Cross-linked Polyethylene /Aluminum/Cross-linked Polyethylene Tubing OD Controlled SDR9 (PDF Download)

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This specification covers establishes requirements for coextruded crosslinked polyethylene multi-layer pressure tubing with a continuously welded aluminum tube construction between inner and outer layers of plastic. The inner and outer crosslinked polyethylene layers are bonded to the aluminum by a melt adhesive. The tubing is outside diameter controlled and made in one standard dimension ratio, SDR9 and is intended to be used for hot and cold water conveyance in applications up to a certain temperature. The tubing is intended for use in potable water distribution systems for residential and commercial applications, water service, hydronic radiant heating (HRH), radiant panel heating, baseboard, and snow melt systems. PEX-AL-PEX tubing is comprised of one metallic layer, two layers of polymeric adhesive and two-layers of crosslinked polyethylene. The metallic layer is aluminum and the cross-linked polyethylene plastics used to make the PEX layers of the PEX-AL-PEX tubing shall be made from virgin resin. Different tests and measurements shall be conducted in order to determine the following properties: out-of-roundness, pipe wall thickness, outer and inner PEX layer thickness, adhesion, burst pressure, sustained pressure, gel content, and apparent ring tensile strength. The tubing shall be free of visible cracks, blisters, holes, foreign inclusions and other known injurious defects. The tubing shall be as uniform as practical in color, opacity, density and other physical properties.

This standard is referenced in the 2012 International Plumbing Code® and the International Residential Code®.

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This specification covers establishes requirements for coextruded crosslinked polyethylene multi-layer pressure tubing with a continuously welded aluminum tube construction between inner and outer layers of plastic. The inner and outer crosslinked polyethylene layers are bonded to the aluminum by a melt adhesive. The tubing is outside diameter controlled and made in one standard dimension ratio, SDR9 and is intended to be used for hot and cold water conveyance in applications up to a certain temperature. The tubing is intended for use in potable water distribution systems for residential and commercial applications, water service, hydronic radiant heating (HRH), radiant panel heating, baseboard, and snow melt systems. PEX-AL-PEX tubing is comprised of one metallic layer, two layers of polymeric adhesive and two-layers of crosslinked polyethylene. The metallic layer is aluminum and the cross-linked polyethylene plastics used to make the PEX layers of the PEX-AL-PEX tubing shall be made from virgin resin. Different tests and measurements shall be conducted in order to determine the following properties: out-of-roundness, pipe wall thickness, outer and inner PEX layer thickness, adhesion, burst pressure, sustained pressure, gel content, and apparent ring tensile strength. The tubing shall be free of visible cracks, blisters, holes, foreign inclusions and other known injurious defects. The tubing shall be as uniform as practical in color, opacity, density and other physical properties.

This standard is referenced in the 2012 International Plumbing Code® and the International Residential Code®.

Pages 10
Publisher ASTM International
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