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X-Pando Pipe Joint Compound
The Problem Solver!

Use X-Pando Pipe Joint Compound when you can't afford any leaks.

For flanged or threaded joints - the compound that expands as it sets! (from .002" to .004" per cubic inch)

No plant engineer, maintenance supervisor, pipe fitter, oil burner installer, plumber, or mechanic should be without a supply of X-Pando Pipe Joint Compound!

  • Expands as it sets, insuring a tight leak proof joint as well as correcting imperfections in pipe threads, flanges and other matal surfaces. Corrects burred or mutilated threads. Accomodates fittings from numerous manufacturers with different size threads.
  • Recommended for use on joints of most kinds of pipes (will cause discoloration on unanodized aluminum).
  • Tasteless, odorless, and non-toxic - conatins NO lead or asbestos. Manufactured without the use of ozone depleting substances.
  • Supplied in one formula only - no stocking problems. Handles most materials carried in pipe (except acids below pH2 and bases above pH12), including:
  • Air
    Alcohol
    Alkalies
    Ammonia
    Antifreeze
    Benzol
    Brine
    Butane
    Chlorine Gas
    CO2
    Ethylene Glycol
    Freon
    Gasoline
    Fuel Oils
    Glycol
    Heat Exchange
    Fluids
    Helium
    Hydraulic Fluids
    Liquid Fertilizers
    LP Gas
    Medical Oxygen
    Methyl Alcohol
    Natural Gas
    Oils
    Nitrogen
    Oxyacetylene
    Oxygen
    Petroleum
    Propane
    SO2
    Solvents
    Superheated Steam
    Syrups
    Vegetable Oils
    Water
  • Economical - mix only what you need.
  • Sealed joints can be taken apart
  • Withstands deflection, high pressures (up to 5000 psig), high temperature (1000°F), low temperature (-300°F),changes in temperatures, and vibrations.
  • Certified by Underwriters Laboratory Inc.®: Meets UL Standards for  performance in sealing joints of threaded metal pipe tight against leakage. For use in devices handling gasoline, petroleum oils, natural gas (pressure not over 300 psig) and butane not exceeding 2 in. pipe size.
  • Certified by Underwriters Laboratory Inc.® to NSF/ANSI 61 for drinking water. Also certified to NSF/ANSI 372 (formerly known as Annex G) as to lead content.
  • VOC content - 3.718 micrograms/Liter (Non Detect)
  • Stocked and sold by accredited distributors throughout the United States, Canada, and internationally.
  • Packaged in 14 and 70 ounce and 25, 50, and 100 pound containers.
  • From "MythBusters Workshop: Extreme Plumbing", article by Jamie Hyneman, published in the April 2007 issue of Popular Mechanics:

    "While making plumbing-heavy builds, we discovered an indispensable plumbing supply product that's ideal for joints under high temperatures and high pressure. It's called X-Pando - great name! It's a powder; you just add water and use the resulting paste as a pipe dope. The stuff expands as it dries to make a very strong seal. Adam and I don't know of anything else like it on the market."


    Need more information? Please check our Frequently Asked Questions list.