Soft abu
Calcite, Dolomite, Kaolin, Barite, ma'adini, talc, Zircon Sand, Wollastonite, Coal Foda, Light alli carbonate, Mika, haƙar Attapulgite, Brucite, Bentonite, Garnet, Magnesite, Andalusite, Pyrophyllite, Potassium Feldspar, Diopside, Rectorite, Diatomite , gypsum, Pearlite da dai sauransu
Hard abu
Carborundum, boron Carbide, White Corundum, zirconia, Cerium oxide, high zazzabi alumina, Silicon Nitride, boron Nnitride, Brown Fused alumina da dai sauransu
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