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The Aviation Form-A-Gasket is a slow drying, non-hardening, sealant, resists gasoline, oil and grease. It is used for close-fitting machined surfaces, sealing hoses and solid gaskets.
Permatex’s Aviation Form-A-Gasket No. 3 Sealant Liquid is a slow-drying, non-hardening brush top sealant approved for use in aviation as well as automotive applications. It’s resistant to gasoline, oil and grease.