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Filtration agents

The efficiency of the pressure casting process, as well as the cost effectiveness of conventional slip casting, are dependent on the output per unit time, which in turn depends on the casting rate.
The use of filtration agents leads to the agglomeration of fine particles, and a more even de-watering of the casting slip is the result. A regular density and a uniform shrinkage allow the production of a homogeneous cast that is free from internal stresses. To a large extent, separation and sedimentation phenomena are prevented. Furthermore, filtration agents confer good interlocking at transitions from hollow casting to core casting, and better removal from the mould.

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