They were extracted from the mines of Hamadan and Semnan and during the milling process were converted to finer grains with 200, 400, 800, 1500 and 2500 meshes. Calcium carbonate, known as CaCO3, is found in nature.
For this product no file has been considered.
They were extracted from the mines of Hamadan and Semnan and during the milling process were converted to finer grains with 200, 400, 800, 1500 and 2500 meshes. Calcium carbonate, known as CaCO3, is found in nature.