Chemetall Products


MC-780 Class B

Naftoseal® MC- 780 Class B is a two-component, manganese-dioxide cured, low density, liquid polysulphide polymer system providing excellent fuel tank and 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.  

MC-630 Class C

Naftoseal® MC630 Class C is a two-component, manganese-dioxide cured, liquid polysulphide polymer system designed for interfay surface sealing and wet riveting of fuselage components. It has outstanding resistance to aviation gasoline and jet fuel, as well as resistance to the chemicals and petroleum products common to the aircraft industry.  

MC-115

Naftoseal® MC-115 is a one component adhesion promoter for polysulfide sealants and is used to prepare metal and solvent resistant painted surfaces prior to the application of polysulfide sealants. It contains a mixture of solvents and surface-activating substances.