A solvent free, fast curing, two pack polyurethane repair mastic for pipe coatings. Use for the coating of field joints, repair of damaged coatings, filling of holes and cracks, on steel pipelines and other steel structures. This Rapid grade is specifically developed for use at lower ambient temperatures. For temperatures above 25 degrees C, the Mastic Standard Grade should be used, as this Rapid grade will be too fast curing