Permatex 80019 Aviation Form-A-Gasket® No. 3 Sealant Liquid, 3oz

Description

Permatex 80019 Aviation Form-A-Gasket® No. 3 is a slow-drying, non-hardening, brush-top liquid sealant designed for aviation, marine, and automotive applications. Its flexible, fuel-resistant formula seals close-fitting machined surfaces, hoses, gaskets, and metal assemblies. It withstands temperatures from -65°F to 400°F (-54°C to 204°C) and offers excellent resistance to gasoline, oil, diesel, ATF, kerosene, and grease.

This aviation-grade gasket sealant ensures positive sealing, vibration absorption, and long-term reliability, making it suitable for both professional aircraft maintenance and high-demand automotive environments.

Key Features

• Slow-drying, non-hardening formula for flexible, long-lasting seals
• Brush-top applicator for clean, precise application
• Fuel-resistant: resists gasoline, oil, grease, and petroleum products
• Temperature range: -65°F to 400°F (-54°C to 204°C)
• Aviation-approved sealant meeting professional standards
• Prevents leaks under high vibration and harsh conditions
• Ideal for close-fitting machined metal surfaces
• Suitable for aviation, automotive, industrial, and marine applications

Usage / Applications

Automobile – Apply On:

• Close-fitting machined surfaces
• Engine hoses and pipe connections
• Solid gaskets and metal-to-metal joints
• Carburetor flanges and fuel system components
• Timing cover and water pump gaskets

Marine – Apply On:

• Machined engine surfaces
• Fuel lines and fittings
• Gearbox covers
• Solid gaskets exposed to fuel/oil

Aviation – Apply On:

• Aircraft engine case halves
• Fuel system components
• Oil system connections
• Close-tolerance machined joints

Benefits

• Prevents leaks under vibration
• Safe for fuel system assemblies
• Withstands extreme temperatures
• Flexible sealing for long-term use
• Improves gasket reliability and service life
• Suitable for professional-grade environments

Packing

Size: 3 oz
Model: Permatex 80019