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Overview
3M™ 021200-19668 Scotch-Weld™ Fuel Resistant Coating EC-776 is a solvent-based, elastomer coating designed to protect aircraft components from damage caused by aviation fuel and oils. It provides strong adhesion to synthetic rubber, metal, glass, and many plastics while maintaining flexibility across a wide temperature range. This coating is ideal for areas adjacent to refuel/defuel fittings, fuel dump valves, drain ports, access panels, and fuel tank vents. It can also be applied inside aluminum or steel fuel tanks using the fill-and-drain method to reduce erosion of top coatings and prevent clogging of engine fuel filters. EC-776 helps minimize maintenance costs and downtime by resisting aromatic fuels and offering excellent low-temperature flexibility.
Features & Benefits
Resists oil, gasoline, and aromatic fuels for superior protection
Excellent low-temperature flexibility for harsh environments
Provides strong adhesion to rubber, metal, glass, and plastics
Amber color for easy identification during application
Helps reduce fuel tank maintenance costs and downtime
Specifications
Color: Transparent Amber
Consistency: Thin Syrup
Base: Oil-Resistant Elastomer
Solvent Blend: MIBK and Ethanol
Flash Point: 55°F (13°C)
Viscosity: 1500 ± 500 cps
Solids Content: Approx. 24% by weight
Drying Time: Tack-free in 20 minutes; fully dry in 24 hours
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Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. Seeterms & conditions.
