Persian flag

3 useful Gypsum Calcination kilns

3 useful Gypsum Calcination kilns

Gypsum Calcination Kilns 1- Pit kilns The oldest type of gypsum kilns in Iran are well kilns, which are still common in many cities in Iran. It is a type of kiln in which gypsum mineral is placed and baked by heating. The temperature of this type of kiln cannot be controlled. all types of […]

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