Eastwood Urethane Reducer is a premium-quality, alcohol- and water-free urethane reducer, designed to be used with Eastwood's Single-Stage urethane paints, Ceramic Engine paints, Ceramic Underhood Black, Ceramic Chassis Black, Candees and even the Low-VOC basecoats in areas where VOC limits allow. May also be used to cut viscosity and aid flow in Eastwood 2K urethane primers, epoxy primer and any of Eastwood's urethane clearcoats.