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Highside® Leak Lock is a state-of-the-art high strength, pipe joint sealant consisting of chemically resistant film formers, plasticizers, reinforcing fillers and solvents, useable on all clean metal or plastic surfaces.


  • Individual 1 Oz. tube in an easy to display blister pack
  • Ideal for joining metals, plastics and other materials
  • For use with pressures ranges from full vacuum to 10,000 PSI
  • Never hardens and never becomes brittle
  • Sticks to all clean surfaces
  • Non-toxic
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Temperature Range: -200° to 400°F (-93° to 204°C)
Pressure: Full vacuum to 10,000 PSI
Shelf Life: Indefinite when sealed
Consistency: Flowable Paste
Pipe joint sealant
Ideal for joining all metals, plastics and other materials
Prevents vibration from loosening nuts, bolt, or fittings

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