This two-component fuselage sealant is a manganese dioxide cured polysulfide polymer designed for aviation applications. It offers resistance to aviation fuels and various chemicals, maintaining flexibility and bond strength on multiple metal substrates. The product is easily applied using various methods and features excellent tooling properties for effective application.
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WARNING: This product can expose you to chemicals including TITANIUM DIOXIDE (AIRBORNE, UNBOUND PARTICLES OF RESPIRABLE SIZE) which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Overview
Naftoseal® MC-630 class A is a two-component, manganese dioxide cured polysulfide polymer system providing excellent fuselage seals. It has outstanding resistance to aviation gasoline and jet fuel, as well as resistance to the chemicals and petroleum products used in the aircraft industry. Naftoseal® MC-630 class A maintains its flexibility and bond strength on most metal substrates like aluminum, stainless steel, steel, titanium, composite and many coatings under extremes of temperature, weathering and stress. Naftoseal® MC-630 class A techkits can be mixed by MCI-Mixer or by appropriate two-component mixing and dosing systems. The mixed compound is a pourable, slightly thixotropic paste easily applied by extrusion, injection gun, spatula and brush. It has excellent tooling properties.
Features & Benefits
Free of chrome and solvents/low in solvent content
Low temperature flexibility
Fast tack-free and cure times
Good adhesion to various substrates
Excellent chemical resistance
High elasticity and resilience
Good thixotropic properties, no slump
Specifications
Series: MC-630 A-2
Base Type: Polysulfide
Color: Beige
Dry Time: 48 hr
Recoating Time: 2 hr
Specific Gravity: 1.65 g/cc
Viscosity: 100 Pa-s
Application Method: Extrusion, Injection Gun, Spatula and Brush
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DISCLAIMER: Product information provided “as is.” Boeing may add, change, discontinue or remove this information at any time. Product photos may not be exact match to product delivered. Seeterms & conditions.
