Plastic division Metal division
Permanent mold is a process that utilizes reusable molds ("permanent molds") which are mostly made from metal. The most common process uses gravity to fill the mold however low pressure or a vacuum is also used. Permanent mold also supports high production rates. Wall thickness is limited from 3mm to 50mm. Typical part sizes range from ounces to 150 pounds.

Typical material used in permanent mold castings

Advantages of permanent mold castings
Reusable tooling (mold)
Improved surface finish
Greater dimensional accuracy

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