Ease Release 2831 is a wax-based non-silicone release agent. Used to release foams such as Smooth-On Flex Foam it foams. It has proven to be effective when used to release polyurethane foams elastomers. Ease Release 2831 works with aluminum, steel, and elastomeric mold construction. Excellent Release Properties. Non-Silicone. Wax Based. Contains no chlorinated or CFC solvents. Low wax build-up. Increased productivity. Excellent cleanability. Low environmental hazards. Low mold maintenance. Brushable liquid, non-aerosol.