This is a FUS117B Slow Plastic/Metal Adhesive. For cross-bonding bare metal to plastic, such as: ground effects, hood scoops, door skins, composite or metal. Corvette body panel installations, Kemlite roofs, semi-trailers, trailer walls, compact freight vehicles or RV's. Corrosion resistant with lifetime guarantee, Cures four times faster than competing products. Excellent gap-filling properties. 10:1 mix ratio.