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. Slow-drying, non-hardening brush-top sealant approved for use in aviation as well as automotive applications.
Temperature range -65°F to 400°F (-54°C to 204°C)