The black colour makes the glue stand out from the surface and facilitates sanding away the excess which enables this product to be used as putty while further strengthening the joint. It is ideal for filling the seams between large parts such as an aircraft fuselage, tank hull, or any other gap in the plastic parts of your models.
Be careful to seal the container tightly to prevent hardening. Use the adhesive with the appropriate protective equipment including gloves, clothing, and eye protection while working in a well-ventilated area. Store in a cool place for the longest shelf life, ideally 16 °C (60 °F). Avoid contact with the skin and eyes.