White, one-part, greater than 99% solids urethane sealant that chemically cures when exposed to moisture.
3M Order Code
It forms a rubbery, extremely strong, waterproof seal or bond, is non-shrinking and offers exceptional resistance to weathering. It can be used for the manufacture, maintenance, and repair of fiberglass reinforced plastic and wooden boats. It has good adhesion to mahogany, teak, cedar, fir, plywood, and gel coated fiberglass.