550 FC (Fast Cure) PU-polyurethane based universal fast-drying adhesive. which is intended for sealing. gluing. fastening, etc. Suitable for various surfaces and materials. e.g. wood. metal. glass. stone. plastic(s). fiber-reinforced plastics, etc. Thanks to the special composition, the adhesive bond is strong but flexible. Waterproof. Paintable. The product is ideal for use in transport vehicles. technical equipment. maritime and also construction. Suitable for the temperature range -40°F (-40°C) to 194°F (90°C). Color: gray.