3M™ Ultrapro™ Autobody Sealant is a heavy-bodied, solvent-based seam sealer that adheres to properly prepared and primed surfaces. This autobody sealant was formulated to be quick-skinning and fast-curing, reaching a tack-free state in just 40 minutes, ideal for applications that require timeliness. Its high-solids formula remains flexible over time to prevent shrinking and cracking, ideal for door skins, rocker panels, rear body panels, trunk seams, and floor pans. High-speed results, permanent flexibility, and easy-to-use cartridge make 3M™ Ultrapro™ Autobody Sealant an excellent choice for most autobody applications.