Permatex Form-A-Gasket 1 Sealant Reddish Brown 11 oz. tube 80003

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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. Military Specifications MIL-S-45180 D, Type I


  • Extends gasket life
  • Prevents leaks
  • Fast drying
  • Hard setting
  • Withstands pressure up to 5000 psi


Freeze plugs

Automotive and industrial sealants for permanent assemblies

Threaded Connections

Manifold gaskets

Air ducts


Pipe fittings

Plumbing connections

Physical Properties:

Chemical Type: Modified resin, fillers & alcohol

Appearance: Red-brown paste

Odor: Alcohol

Specific Gravity: 1.5

Viscosity: Viscous paste

Flash point, TCC ° C (° F): Does not apply