Permatex Pneumatic and Hydraulic Sealant


Permatex Pneumatic and Hydraulic Sealant is designed for locking and sealing high pressure hydraulic and pneumatic systems.

Available individually or in pack of 6.
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This pneumatic and hydraulic sealant contains no fillers or particles which could contaminate system fluids, foul valves, or clog fine filters and screens. Reliably cures on “as received” fasteners and controlled locking strength affords easy disassembly.

Formulated for hydraulic line fittings, brake fittings, transmission fluid fittings, and PTO fittings.

OEM specified.


  1. Clean and dry parts using Permatex Surface Prep® activator.
  2. Shake bottle well before use.
  3. Apply sealant to leading threads of the male fitting, leaving the first thread free of sealant. Apply to only 1/4 of a thread turn. It is not necessary to apply to all threads.
  4. Assemble parts and tighten to recommended torque. Refer to Technical Data Sheet for complete information.

NOTE: Permatex Thread Sealant seals threaded metal fittings on hydraulic, pneumatic, fuel, and cooling systems. It is not recommended for use on plastic pipes.

Technical Data Sheet



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