▎ 摘　　要

NOVELTY - Preparation of inorganic ultra-thin expansion steel structure fireproof coating material comprises weighing liquid sodium silicate, expanded graphene, low-melting point glass powder, magnesium hydroxide, latex powder and water, uniformly mixing, adding to high-speed stirrer, stirring for 0.1-1 hour, uniformly dispersing, and placing in tank. USE - Method for preparing inorganic ultra-thin expansion steel structure fireproof coating material (claimed). ADVANTAGE - The coating has non-toxic and harmless raw materials.