All-purpose, water-soluble blockout. Use straight from the  can or thin for touch up with a brush. Ideal for touching upand/or sealing the edges of screens made with films or emulsions. 5511 Blockout will not sag, resists humidity, and does not become tacky in any weather. Provides a durable yet flexible blockout coating. Washes out with warm water. Not for use with water based inks SDS Sheet