Guide coat black is an aerosol coating that helps detect low spots, sand scratches or other minor imperfections while sanding primer.
SEM Guide Coat, 16 oz Net Content, Aerosol Form, Black, Characteristic Odor/Scent, Composition: Acetone, Petroleum Gases, Liquefied, Sweetened, Toluene, Ethyl Acetate, Butanone and Quartz (Sio2), 70 deg F, 54.51 % VOC