Spin casting or rubber mold, can be used for reproduction or original design of low pressure casting and is suitable for decorative or ornamental items such as nameplates, emblems, and costume jewelry. Molds are created by inserting the part to be cast between two layers of rubber or silicone, an impression is then created with the application of pressure and heat. This impression can then be poured with molten zinc or pewter in a centrifugal machine. The casting can then be finished in many ways such as electroplated gold, silver, nickel, and brass. The advantages are short lead times and low cost molds. The disadvantage is short mold life.

Die casting requires, a die machined from tool steel inserted into a metal mold. A high pressure casting is then created by injecting molten zinc or aluminum. This is done on a hydraulic press. This method of casting is for long runs. Some typical applications are automotive, hardware, and motorcycle. Finishing can be accomplished in many ways, such as painting or electroplating. The advantage to this type of casting is extended die life, strength and a larger part. The disadvantage is long lead times and much higher die and mold costs.

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