The main raw material of mineral wool production is varied.
Industrial waste residue, of the alkaline industrial slag, blast furnace slag, steel slag, iron slag, nonferrous metallurgical slag, etc., of the acidic industrial wastes, red brick slag, cupola slag, coal ash powder, cyclone furnace slag, etc.
Certain igneous rock, such as basalt, diabase, gabbro, granite, diorite, quartzite, andesite, etc., this belongs to the acid rock.
Flux, such as limestone, dolomite, etc., they are all basic flux.
The raw material should be in accordance with the requirements of the department of mineral wool acidity, alkali collocation ingredients calculation, according to a certain proportion to join in furnace smelting.