Permatex® 80008 Form-A-Gasket® #1 Sealant, 3 Oz


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SKU: 10233469
MFG: 80008


Permatex® Form-A-Gasket® No. 1 Sealant is a reddish brown, viscous paste with a characteristic alcoholic odor. It is a fast drying paste that changes to a hard, semi flexible seal through solvent evaporation. It seals flanges, fittings, connections and assembles against leakage. Improves gasket seal in permanent and rigid assemblies.

  • Size: 3 ounce, tube
  • Seals cut gaskets and fills uneven surfaces
  • Hardening formula
  • Fast-drying, hard-setting sealant
  • Designed for sealing rigid materials and flanges, or patching holes and joints where permanent assembly is desired
  • Temperature range -65 degree Fahrenheit to 400 degree Fahrenheit (-54 degree Celsius to 204 degree Celsius); resists common shop fluids and fuels
  • Carded.

Suggested Applications:

  • Freeze plugs, threaded connections, manifold gaskets.


  • Extends gasket life
  • Prevents leaks
  • Fast drying
  • Hard setting.

Typical Applications:

  • Freeze plugs
  • Automotive and industrial sealant for permanent assemblies
  • Threaded connections
  • Manifold gaskets
  • Air ducts
  • Boilers
  • Pipe fittings
  • Plumbing connections

Directions For Use:

  • Remove all previous material from mating surfaces. Permatex® Gasket Remover is recommended for most materials, not for plastics or painted surfaces.
  • For best results, clean and dry all surfaces with a residue-free solvent, such as Permatex® Brake and Parts Cleaner.
  • Remove cap, puncture tube or cartridge seal and attach extension nozzle (if provided).
  • When used as a gasket dressing, spread product with a spatula to a uniform film on one side of gasket and then position it on the assembly. Coat the second side of gasket and re-assemble.
  • Assembly is operational after 2 hours, full cure is effective after 24 hours.

For Cleanup:

  • The product can be removed from metal surfaces with isopropyl alcohol. If the sealant has been dried for a long time or at high temperatures, cover the sealant with alcohol and allow to soften overnight.
  • Clean hands with Permatex® brand hand cleaners.

Properties Of Uncured Material:

  • Chemical Type: Modified resin, fillers and alcohol
  • Appearance: Red - brown paste
  • Odor: Alcohol
  • Specific Gravity: 1.5
  • Viscosity: Viscous paste
WARNING: This product can expose you to chemicals including Methyl isobutyl ketone, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to