Quick View

Naftoseal MC-780 Class C is a two-component, manganese-dioxide cured polysulfide polymer system with reduced density providing excellent fuel tank and fuselage seals. The C-1/3 denotes this product has a 20 minute application time and 30 minute assembly time.

 See Options
Skip to main content

Naftoseal MC-780 C-1/3 Low Density Fuselage & Fuel Tank Sealant

GracoRoberts P/N: V00673
From $61.48

Naftoseal MC-780 Class C is a two-component, manganese-dioxide cured polysulfide polymer system with reduced density providing excellent fuel tank and fuselage seals. The C-1/3 denotes this product has a 20 minute application time and 30 minute assembly time.

Technical Information

  • Product Type Fuel Tank Sealant
  • Product Form Liquid

Product Information

It is designed for interfay surface sealing and wet riveting of fuselage components and has outstanding resistance to aviation gasoline and jet fuel, as well as resistance to the chemicals and petroleum products used in the aircraft industry.

Additionally, it was developed for a service temperature between -55 °C (-67 °F) to +130 °C (+ 266 °F) and withstand a shortterm temperature of +182 °C (+360 °F).

Naftoseal MC-780 Class C 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.

The curing time may be reduced considerably by increasing the temperature (up to 60°C or 140°F max).

Data Sheets

Please select the size/colour from the dropdown to access datasheets

Product Properties

Brand
Chemetall Naftoseal
Manufacturer
Chemetall
Product Type
Fuel Tank Sealant
Product Form
Liquid
Manufacturer Part #
50561596 | 50563478

Shipping Information

For information about the available delivery options please visit our Shipping Guide.

Some products in our catalog are classified as Hazardous for shipping so some restrictions and/or additional shipping fees may apply.