3M AC-236 Class C-20 Aerospace Sealant

3M Aerospace Sealant AC-236 Class C are two-component, manganese dioxide cured, liquid polysulfide polymer systems providing excellent fuel tank and fuselage seals. They have outstanding resistance to aviation gasoline a jet fuel, as well as resistance to aviation gasoline and jet fuel, as well as resistance to chemicals and petroleum products common to the aircraft industry. 3M AC-236 Class C Sealants maintain flexibility and bond strength on most metal substrates like aluminum, stainless steel, steel, and many coatings under extremes of temperature, weathering and stress. The mixed compound is a flowable, faying surface grade material easily applied by brush, roller, spatula or extrusion gun. They have excellent tooling properties.Information provided by 3M