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Old Tubing

Bob91
Bob91 Member Posts: 3
in Radiant Heating
I have some tubing that is from 1984ish. The only info I can get directly off of the tube is: 3200 upc, sdr11, 180deg., 100psi, B1378, IAPMO IS 22-8-W8, 1/2"otc, 5/8"od, C 07-18-84.

The tubing is a medium grey color and is used for infloor heating in concrete.

What is it? Is it an oxygen barrier tubing? any info would be appreciated.

Thanks,

Bob

Comments

  • Mark Eatherton
    Mark Eatherton Member Posts: 5,869
    Sounds like Poly Suitylene

    er I meant Poly Butylene.



    It came in both barrier and non barrier tube, and if you can't identify it by manufacturer, you'd best treat it as non barrier tube.



    ME
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