Rust-Oleum Concrete Saver Durability Additive 3 Lbs 280945Use to increase the wear resistance of a thin film floor coating. It also decreases the gloss of the coatings which helps hide minor imperfections in the floor. Fine blend of aluminum oxide. Increases abrasion resistance by 40%. Creates a fine micro texture that increases the SCoF. Does not affect color of the coating. This Item Cannot be Shipped Internationally.