After the surface has been prepped by removing any debris, or unwanted previous poly coating, you may proceed to apply the Tung Oil finish. Apply the Tung Oil generously with a brush or cloth. Remove the excess Tung Oil within 10 minutes of application, if you leave the Tung Oil on for too long and it dries it may go sticky and tacky, you don’t want the Tung Oil to start drying on the surface you want all the excess removed.