Permatex Aviation Form-A-Gasket No. 3 Sealant 118ml
Permatex Aviation Form-A-Gasket No. 3 Sealant 118ml is a professional-grade non-hardening liquid gasket sealant developed for creating dependable seals in aviation, automotive, and industrial equipment. Its slow-drying formula provides ample assembly time while forming durable, leak-resistant seals that withstand demanding operating conditions.
Engineers and technicians trust this original Permatex Aviation Form-A-Gasket No. 3 because it bonds effectively to close-fitting machined surfaces, hose connections, and solid gaskets without becoming brittle after curing. The flexible, non-hardening formula allows easy maintenance and disassembly while maintaining long-term sealing performance.
The sealant offers excellent resistance to gasoline, engine oil, grease, and common workshop fluids, making it suitable for engines, pumps, gearboxes, fuel systems, compressors, hydraulic equipment, and industrial machinery. It maintains reliable sealing performance across a wide operating temperature range of -54°C to +204°C (-65°F to +400°F).
Its convenient brush-top container allows technicians to apply an even coating quickly and accurately, improving installation quality and reducing material waste. Whether servicing aircraft components, automotive engines, or industrial equipment, Permatex Aviation Form-A-Gasket No. 3 provides a trusted solution for leak prevention and long-lasting gasket performance.
Key Features
- Premium non-hardening liquid gasket sealant
- Slow-drying formula for easy assembly
- Approved for aviation and automotive applications
- Creates durable, leak-resistant seals
- Excellent adhesion to machined surfaces
- Resists gasoline, oil, and grease
- Flexible after application
- Brush-top applicator for precise use
- Ideal for solid gaskets and hose connections
- Simplifies maintenance and future disassembly
- Long-lasting sealing performance
- Operating temperature: -54°C to +204°C (-65°F to +400°F)
- Professional-grade formulation
- Made in USA
Applications
Permatex Aviation Form-A-Gasket No. 3 is suitable for:
- Close-fitting machined surfaces
- Solid gaskets
- Hose connections
- Engine assemblies
- Fuel system components
- Gearboxes
- Pumps
- Compressors
- Hydraulic equipment
- Aviation maintenance
- Automotive repairs
- Industrial machinery
- Mechanical equipment
- Workshop maintenance
Technical Specifications
| Property | Specification |
|---|---|
| Product Name | Permatex Aviation Form-A-Gasket No. 3 |
| Product Type | Non-Hardening Gasket Sealant |
| Formula | Slow-Drying Liquid |
| Drying Type | Non-Hardening |
| Temperature Range | -54°C to +204°C (-65°F to +400°F) |
| Fluid Resistance | Gasoline, Oil & Grease |
| Application Method | Brush-Top |
| Content | 118 ml |
| Quantity | One Piece |
| Country of Origin | USA |
Benefits
Permatex Aviation Form-A-Gasket No. 3 helps prevent leaks by creating durable seals that remain flexible over time. Its resistance to gasoline, oil, grease, and workshop fluids makes it ideal for demanding maintenance applications. The slow-drying, non-hardening formula allows accurate assembly, simplifies servicing, and extends the life of gaskets and sealing surfaces.
Why Choose Permatex Aviation Form-A-Gasket No. 3?
Professionals around the world rely on Permatex Aviation Form-A-Gasket No. 3 because it delivers dependable sealing performance in aviation, automotive, and industrial environments. Its non-hardening formulation maintains flexibility, resists harsh fluids, and supports easy maintenance without sacrificing sealing strength. Whether sealing engines, pumps, hose connections, or precision-machined components, this trusted Permatex sealant provides reliable long-term protection.

