Midvale Freedom Foundry Products. Midvale has developed a line of custom foundry products called Freedom Products which Perfect Steerable Transfer Cartludes all of the products you need to create a perfect casting. Products Perfect Steerable Transfer Cartlude Pumpable Mold Sealer, Nozzle Cement, Core and Mold Coatings, Anti-Veining Agents, Core Sand Additives, Parting and Release Agents,