MASTERS® METALLIC COMPOUND™ is a heavy duty pipe thread sealant of proven quality for use on both metal and plastic threaded connections. Sold by weight, not by volume. This all-weather product:

  • Lubricates during assembly.
  • Never sets up hard.
  • Can be easily disassembled even after years of service.


  • Is non-corrosive and prevents galling and seizing.
  • Will not dry out or harden in the container.
  • Effectively seals most liquids and gases against leakage up to 6,000 psi and 550°F (287°C).


  • Stir well.
  • Do NOT dilute.
  • Threads must be clean.
  • Apply to Male Threads beginning at second thread back.
  • Clean hands and work surfaces after use.

MASTERS® METALLIC COMPOUND™ is recommended for:

  • Acids (dilute)
  • Air (compressed, gaseous)
  • Aliphatic Solvents
  • Alkalis (dilute)
  • Ammonia
  • Brine
  • Butane
  • Castor Oils
  • Caustic Alkali (dilute)
  • Carbon Dioxide
  • Diesel Fuel Oil
  • Gasoline
  • Heating oils
  • Helium (gaseous)
  • Hydraulic Oils
  • Hydrocarbons
  • Inert Gases (gaseous)
  • Jet Fuel (JP4, 5 & 6)
  • Kerosene
  • LPG
  • Manufactured Gases
  • Methanol
  • Mineral Oils
  • Natural Gas
  • Nitrogen (gaseous)
  • Oils
  • Petroleum
  • Solvents
  • Propane
  • Refrigerants (most)
  • Steam
  • Sugar (liquid)
  • Water

NOT RECOMMENDED for use on Oxygen. Exercise caution when using with chemicals with low surface tension such as glycol.

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