▎ 摘　　要

NOVELTY - Cement-based impermeable and anti-corrosion multi-layer coating comprises a three-layer structure of primer, intermediate paint and topcoat. USE - As cement-based impermeable and anti-corrosion multi-layer coating. ADVANTAGE - The cement-based impermeable and anti-corrosion multi-layer coating has excellent penetration and consolidation and strengthening effect on the base layer, has improved anti-corrosion performance and impermeability, strengthens the chemical resistance and corrosion resistance of the system, is non-toxic and tasteless, environmentally friendly, has low construction difficulty, cement-based anti-seepage and anti-corrosion multi-layer coating with excellent waterproof, anti-seepage and anti-corrosion functions. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for an application for the cement-based impermeable anti-corrosion multi-layer coating comprising (a) checking the base surface and cleaning the surface impurities, (b) using air spraying or high-pressure airless spraying for coating, and the coating thickness is 20-50 mum, (c) using high-pressure airless spraying, and the coating thickness is 200-500 microm, (d) checking for defects and repair after spraying is completed, (e) using high-pressure airless spraying, and the coating thickness is 200-500 microm, (f) applying air spraying or high-pressure airless spraying, and the coating thickness is 100-400 microm, and (g) performing quality inspection and acceptance.