▎ 摘　　要

NOVELTY - Hollow brick composition comprises coal gangue, fly ash, straw powder, shale, steel slag, adhesive, emulsifying agent, graphene, and water. USE - Used as hollow brick composition. ADVANTAGE - The composition reduces the deformation of the brick blank after firing, can keep the integrity of the hole, improves the heat preservation performance of the hollow brick, and improves the mechanical property of the hollow brick. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a process for preparing the hollow brick composition.