▎ 摘　　要

NOVELTY - A foamed wallboard comprises a main ingredient and an additive. The main material comprises 70-90 pts. wt. non-ferrous metal tailings. The additive comprises 0.5-8 pts. wt. graphene, 1-15 pts. wt. vermiculite, 2-10 pts. wt. aluminum fluoride, 3-8 pts. wt. aluminum silicate fiber, 5-15 pts. wt. montmorillonite, 1-10 pts. wt. clay, 5-20 pts. wt. cosolvent, 0.1-5 pts. wt. foaming agent and 0.1-5 pts. wt. stabilizing agent. USE - Foamed wallboard. ADVANTAGE - The foamed wallboard: is lightweight and environmentally-friendly; and has high strength and toughness, and excellent thermal resistance, high-temperature resistance, sound resistance, water resistance and impermeability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing the foamed wallboard.