▎ 摘　　要

NOVELTY - Preparing graphene-coated hollow glass microsphere three-phase fire extinguishing agent comprises coating hollow glass microspheres with graphene first, and then mixing the graphene-coated hollow glass microspheres with fluoroprotein foam fire extinguishing agent, comprising (i) fully mixing hollow glass beads and the graphene oxide solution through rapid stirring to obtain mixed solution, (ii) adding reducing agent sodium borohydride to the mixture obtained in step (i) and continuing stirring to obtain mixture of graphene-coated hollow glass microbeads, (iii) allowing to stand the mixed liquid obtained in step (ii) and collecting the graphene-coated hollow glass microspheres floating on the surface of the liquid, and (iv) mixing graphene-coated hollow glass microspheres obtained in step (iii) with fluoroprotein foam fire extinguishing agent. USE - The fire extinguishing agent is useful in vehicles e.g. automobiles and ships. ADVANTAGE - The method increases the anti-vibration performance of the three-phase fire extinguishing agent. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for graphene-coated hollow glass microsphere three-phase fire extinguishing agent prepared by the above method.