3M™ Aerospace AC-770 B-2 Brown BMS 5-142G Type II, Class B-2 Form K Spec Fuselage Sealant - 3.5 oz Kit

AC-770 Class B is a fast cure, low density two-component, manganese dioxide cure, polysulfide fuselage sealant. AC-770 has outstanding resistance to aviation gasoline and jet fuel, as well as resistance to chemicals and petroleum products common to the aircraft industry. AC-770 Class B maintains its flexibility and bond strength on most metal substrates such as: aluminum, titanium, steel, stainless steel, and many coatings under extremes of temperature, weathering and stress. The mixed compound is a thixotropic paste easily applied by extrusion, injection gun or spatula, and exhibits superb tooling properties.