FIRE-RESISTANT GYPSUM PANEL COMPRISING UNEXPANDED PERLITE ORE AND METHOD OF MAKING IT

摘要

Gypsum panels and methods of making the same are provided. A gypsum panel includes a gypsum core containing set gypsum and unexpanded perlite ore, wherein the unexpanded perlite ore is present in the gypsum core in an amount greater than any other component, other than the gypsum.