Wholesale Shell Mold Casting Description What Is Shell Mold Casting? It is also known as resin-coated sand casting process which is an expendable casting process that uses a resin covered sand to form the mold. In this casting process the mold is made like a shell, the thin or hollow mold is used so that weight of mold is less and handling of mold becomes easier. Shell-mold casting issuit for both ferrous and non-ferrous metals, most commonly used molten metals are cast iron, carbon steel, alloy steel, stainless steel, aluminum alloys and copper alloys. http://www.wabon-metal.com/our....-services/shell-mold