mm 12 mm silica quartz sandGM Mining Equipment
Silica (Crystalline) CAREX Canada. Applications for silica differ depending on the particle size, which is divided into three general size categories: lump silica, – 15 cm; sand, 75 μm – 3 mm; and flour, . 75 μm. Lump silica is used as flux for smelting operations, in silicon and ferrosilicon alloys, and for silica brick.