... , however, one additional coat cam be applied if necessary. Light sanding with 400 ~ 600 mesh sand paper is recommended before ... a perfect adhesion of paints. For auto refinishing topcoat, light sanding on the intermediate coat is preferred, and let the ... in 1Usg, 20 lit Pail, 200 lit Drum. Physiological Hazards: ACRYLIC CLEAR COAT does not contain dangerous solvents, nevertheless, good ventilation ...