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Casting technology

Hard molded gypsum in production engineering

Innovative solutions for the highest demands

In the production of models, molds and finished parts in a wide variety of industries, in the automotive industry, optics or jewelry manufacturing – hard molding plaster has proven itself to be an indispensable building block. In addition to its pure form, hard molding plaster can also be combined with additives such as quartz or cement, which gives it additional properties. Another major advantage is its usability for dewatering or improving the quality of calcium sulfate hemihydrate.

Strong connection for robust constructions

The unbeatable combination for stability and durability

Due to their special quality and excellent detail reproduction, our synthetic hard gypsums are suitable for the production of sophisticated models in toolmaking, the automotive and aircraft industries, art casting or jewelry making.

The excellent and specialized applicability extends to a wide variety of casting processes such as bronze casting as well as the processing of light and non-ferrous metal alloys. This versatility enables precise and high-quality results in a wide variety of metalworking processes and precision casting using the pour-out method.

Thanks to a controlled and very low expansion, high dimensional accuracy is achieved and cracking is effectively prevented. The optimum surface hardness guarantees a high number of impression pieces and demonstrates good paint compatibility. The very low and defined expansion of this base allows easy demoldability and underlines its versatility.

Our gypsum-bonded investment materials for precision casting impress with their advantageous processing consistency, which enables precise modeling and shaping. In addition, they offer variable processing times that allow individual requirements to be met and the time frame of processing to be variably controlled.

Smooth cast surfaces with optimum detail reproduction are a hallmark of precision and quality in metalworking processes. These properties contribute to excellent end results and enable outstanding rendering of the finest structures and shapes.

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