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After the powder is processed in hydraulic presses and shaped, raw tiles ( Greenware ) have to be dried. 

Each product has different content of moisture that has to be under control in order to avoid any firing problem, such as:

  • Irregular shrinkage

  • Surface irregularity

The whole process is mainly composed of the following steps:

  1. Heat transfer from hot hair to greenware

  2. Water status exchange. From fluid state to vapor

  3. Moisture release

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