▎ 摘　　要

NOVELTY - Low-film thickness high-corrosion resistant aqueous inorganic coating composition comprises 35-45 wt.% aqueous inorganic polymer, 1.8-5.5 wt.% functional additive, 12-20 wt.% filler composition, 0.02-0.05 wt.% graphene, 10-12 wt.% pigment composition, 2.5-8.5 wt.% silica sol, 0.8-3 wt.% film forming additive, and deionized water. USE - Used as low-film thickness high-corrosion resistant aqueous inorganic coating composition. ADVANTAGE - The inorganic coating composition is environmentally-friendly. DETAILED DESCRIPTION - Low-film thickness high-corrosion resistant aqueous inorganic coating composition comprises 35-45 wt.% aqueous inorganic polymer, 1.8-5.5 wt.% functional additive, 12-20 wt.% filler composition, 0.02-0.05 wt.% graphene, 10-12 wt.% pigment composition, 2.5-8.5 wt.% silica sol, 0.8-3 wt.% film forming additive, and deionized water (balance amount), where the aqueous inorganic polymer is of formula (I). m, n, and y = 5-30; and X = H, Na+, K+ or NH4+. An INDEPENDENT CLAIM is also included for preparing low-film thickness high-corrosion resistant aqueous inorganic coating composition, comprising (i) adding water into the dispersion tank, and then adding aqueous inorganic polymer, high-corrosion resistant and silica sol, stirring and mixing at 300-500 revolutions per minute to form colloidal substance, (ii0 adding pigment, filler and graphene into the dispersion tank, beating and grinding at a speed of 2000-3000 revolutions per minute for 20-25 minutes until the fineness is less than 60 mu m, (iii) adding film-forming auxiliary agent into the dispersion tank, and mixing uniformly at 800-1200 revolutions per minute, and (iv) adding remaining water into the dispersion tank, and mixing uniformly at 800-1200 revolutions per minute to obtain final product.