For sealing joints of cement lined pipes to be welded - the compound that expands as it sets! (from .002" to .004" per cubic inch)

• Expands as it sets, producing a tight joint. Corrects imperfections in the pipe joining surfaces.
• Specially formulated to be compatible with the heat requirements of welding.
• Non-toxic - contains NO lead, asbestos, teflon, or harmful carcinogens. 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:

  Ammonia CO2 Freon Gasoline

  Hydrocarbons LP Gas Mineral Spirits Oils - hot or cold

  Oxygen Sea Water Steam Water

• Economical - mix only what you need.
• Withstands deflection, high pressures, changes in temperatures.
• Certified by Underwriters Laboratory Inc.® in accordance with ANSI/NSF Standard 61 for drinking water.
• 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.