PODCAST #13: CHEMICALS FOR CERAMIC MIXTURES: AN OVERVIEW
The ceramic mixture usually used in ceramic production, largely consists of inorganic raw materials (clay, feldspar, sand, etc.), grinding water and chemical. The mixtures, in order to be best managed in the different stages of processing - from grinding to pressing (or forming) - must have well-defined features to facilitate the developments of the several phases. At the same time, the raw ceramic material (and therefore the mixture), once pressed, must have the right properties to avoid all the problems that may occur along the lines before entering the kilns and to develop ceramic surfaces without aesthetic or technical defects. To prevent this from happening, the use of specific additives is mandatory.
What are the main families involved? What role do they play and what mechanisms do they put in place?
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(The english version of this episode is up to come.)
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