First, a mold must be made to hold and shape the cast iron. The mold is made using a sand and resin mix, which is packed around the set pattern. A sand core is made and put directly into the mold, which will produce the desired thickness of the cast iron product. The top half of the mold is fitted over the bottom half, readying it for pouring. The cast iron mix, which is melted at a temperature usually between 2,102 to 2,192 °F, is poured into the mold. After a cooling period, the mold is broken open in order to access the finished cast iron product.
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