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3M Scotch-Weld Hydraulic/Pneumatic Sealant HP45 is a purple, fast-curing, medium viscosity pipe sealant. Offering temperature resistance up to 300ºF (149ºC), this sealant provides a strong, tough seal that can be easily disassembled. We also formulated this pipe sealant to resist pressure and vibration for long-lasting durability.

  • Cures quickly to seal hydraulic and pneumatic pipes and fittings
  • Prevents leaks and corrosion in pipes by strengthening bonds between pipe threads
  • Features temperature resistance to 300ºF (149ºC)
  • Formulated for easy disassembly

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