▎ 摘　　要

NOVELTY - Non-combustible heat insulating material comprises graphene oxide and sodium silicate. USE - Non-combustible heat insulating material. ADVANTAGE - The non-combustible heat insulating material has insoluble and non-flammable insulation properties, low cost, and provides excellent insulation as graphene is the most outstanding material among materials that have various properties such as strength, thermal conductivity, and electron mobility, and it is applied to various industries such as displays, secondary batteries, solar cells, automobiles, and lighting, for supporting the growth of related industries and is easy to use. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing non-combustible heat insulating material, involves: (A) obtaining a mixture by mixing graphene oxide and first liquid sodium silicate; (B) compressing the mixture to form a molded body; (C) drying the first molded body to get first dried molded body; and (D) heating the first dried molded body at a temperature of 600-1,200 degrees C to get desired product.