FORFARINGSSETT FOR FRAMSTELLNING AV MINERALULL, SERSKILT FOR ANVENDNING I BASISK MILJO

摘要

A method of producing alkali-resistant mineral wool. The starting material is melted and formed into fibers and the fibers are cooled and collected. The raw material has the following composition: }SiO2 40-60 wt. % }Al2O3 1-15 wt. % }CaO 1-6 wt. % }MgO 30-45 wt. % }Iron oxides 1-8 wt. % }Alkali oxides maximum 2 wt. % }Other oxides maximum 2 wt. %. } The raw material preferably includes olivine.