Silicone and urethane casting use a mold made from silicone rubber. The process involves several steps, including preparing the original, making a mold box, mixing and pouring silicone rubber or urethane into the mold box, waiting for it to cure, and de-molding the final part.

To begin, the original pattern is cleaned and prepared for the molding process. A mold box is created around the original, usually made from wood or cardboard. Silicone rubber is mixed with a hardener, poured into the mold box, and cured for several hours or overnight. Once cured, the silicone mold is carefully removed from the mold box, and the original object is removed. Finally, the mold can be used to create parts in various materials, including liquid plastics and resins.

Silicone casting involves pouring a liquid silicone rubber material into a mold to create a highly detailed and flexible copy of the original pattern. This method is often utilized in the production of medical devices, prosthetics, or toys.

Urethane casting utilizes a liquid resin material that hardens during the curing process, resulting in a durable and rigid copy of the original pattern. This method can be applied to various applications, including automotive and aerospace components, medical enclosures, and consumer products.