Masters Metallic Compound Heavy Duty Pipe Thread Sealant – 250 ml
Keep your plumbing, HVAC, and industrial piping leak-free with Masters Metallic Compound Pipe Thread Sealant. Trusted by tradespeople across Canada for over half a century, this heavy-duty, all-weather compound is engineered to seal threaded joints on both metal and plastic piping systems.
Its unique formulation serves as an active lubricant during installation, smoothing out connections and preventing thread damage. Because it never dries out or sets up hard, connections remain entirely pliable, ensuring fast, hassle-free disassembly—even after decades of continuous service.
Key Features & Benefits
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No-Hardening Formula: Will not dry out, harden, crack, or separate inside the container or on the pipe threads.
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Industrial High-Pressure Seal: Withstands extreme pressures up to 6,000 psi and handles temperatures reaching 550°F (287°C).
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Anti-Seize Protection: Non-corrosive properties actively protect threads from galling, seizing, and rust.
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Natural Gas Approved: Proudly ULC listed for Natural Gas applications (CAN/ULC-S642).
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Clean, Low-VOC Content: Meets modern environmental requirements with a low volatile organic compound (54.4 g/L) rating.
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Built-In Applicator: Comes in a handy, tradesman-approved Brush-Top Can for clean, uniform application directly onto the threads.
Versatile Chemical Compatibility
Effectively seals a massive range of liquids and gases, including:
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Water, Steam, and Brine
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Natural Gas, LPG, Butane, and Propane
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Gasoline, Diesel, Kerosene, Jet Fuel, and Heating Oils
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Compressed Air, Nitrogen, Helium, and Carbon Dioxide
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Refrigerants (most standard variations)
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Dilute Acids and Alkalis
Technical Specifications
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Part Number: CP250BT
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Volume: 250 ml (1/2 pt)
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Container Type: Brush-top cap
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Color: Medium Grey
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Bonds To: Copper, Brass, Steel, Black Iron, and Plastic/CPVC threaded lines.
- Safety Notice: Not for use on Oxygen or Glycol systems. Contains lead. Wash hands thoroughly after handling.
