3M's comprehensive range of polyurethane seam sealers offer a variety of packaging and colour options for all your seam sealing needs. If you're looking for a cost effective sealing method and are less concerned with wet on wet paintability and faster processing times, this is the range for you. These products can be painted over once the skin is fully formed. This will vary depending on the temperature you are working in but should be between 20 and 45 minutes.
Areas of Application: Sealing medium and wide body joints, sheet overlaps and welding seams.
Properties: the material can be painted over after 15 min and dried edge remains permanently flexible, fast drying, quickly resistant to shrinking and has a high final strength. The temperature resistance is -30°C to 90°C, the material is resistant to water, weather, weak acids or alcali. It adheres to treated or untreated Metal, Aluminium, Plastic, Rubber, Wood.