Permatex® Thread Sealant with PTFE


Economical general-purpose fitting sealant. Outperforms tapes and pipe dopes. Seals and resists pressure in air, oil, diesel fuel and hydraulic systems. Remains pliable at higher and lower temperatures. Temperature range -65°F to 300°F (-54°C to 149°C); resists common shop fluids.



Suggested Applications: Air conditioning fittings, temperature sending fittings, and hydraulic fittings



  1. Be sure threads are clean and free of dirt and heavy oil or corrosion.

  2. Apply Thread Sealant with PTFE with an applicator to the male threads, forcing the material into the thread grooves.

  3. Assemble parts and tighten. Adjustments can be made up to 24 hours after application without damage to seal.

  4. Wipe away excess with a clean cloth. Remove dried sealant with isopropyl alcohol.

  5. Keep tube tightly closed when not in use.

US Part Number Canada Part Number Container Size Pack
80631 N/A 1 oz. tube, carded 12