3M - Aerospace Dark Brown, Class B-1/6 Spec Fuel Tank & Fuselage Sealant | 051141-57958

3M™ Aerospace Sealant AC-250 is our fast and effective solution for fuel tank and fuselage sealing and repair. This two-part, quick curing, polysulfide based sealant is highly resistant to fuels and chemicals common in the aerospace industry. Available in paste or pourable form, AC-250 meets airline and Maintenance, Repair and Overhaul (MRO) needs, curing rapidly at or below ambient temperatures.