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Metal and plastic

In our workshop we cast with different materials. We determine the right material and the optimal alloy for each product.

As casting company we produce the most with tin. Both in pure form and in alloys of different percentages. The alloys consist of tin, copper and antimony. These two additions make the tin a little harder, but still remain flexible.
Besides tin, we have the possibility to work in Zamac or PU plastic.

In the other blocks, we would like to tell you a bit more about the metals and plastic that we cast.


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Tin is used in various alloys, which determine hardness, mainly for decorative items, business gifts and tableware. Because of its low melting point, tin is a popular metal in the world of model builders. This raw material is also known as white metal. The mechanical casting (spincasting) takes place at speeds of 40 km / h, which means that the tin penetrates into the smallest places in the mold. This is done by the spincasting, also named centrifugal casting.


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Zamac is an alloy that is harder and more durable than tin. The name comes from a combination of abbreviations of the metal zinc, aluminum, magnesium and cupper (copper). The material is suitable for making belt buckles, parts of watches, the car industry and many more.

PU plastic

The use of PU plastic (polyurethane) is often for smaller amounts. In our foundry we use vacuum systems with which we can make silicone molds. These finished molds are filled with PU and pressurized so that all the excess air disappears from the product. With this technique we make finished products, semi-finished products and prototypes. Due to the lower development costs of a silicone mold, it is suitable as a casting method for small runs. The quality of vacuum casting is almost entirely the same as injection molding. The development of a metal mold for injection molding is much more expensive and therefore more suitable for mass production. Plastic molding in our silicone molds is therefore extremely suitable for prototypes.

Example: To test a product on the sales market, a customer will let us cast 50 pieces under vacuum. As soon as the product is successful, adjustments will be made if necessary, after which the large quantities will be manufactured with a metal mold and the injection molding technique.