| abstract |
The present invention relates to a steel material coating material having environmental friendliness and excellent corrosion resistance, a steel material coating method using the same, and a steel material coating system, According to a preferred embodiment of the present invention, a coating material coated on the surface of a steel material for improving the physical properties of the surface of the steel material is coated on the surface of the surface-treated steel material, and 50 to 150 parts by weight of water- A base layer comprising 50 to 180 parts by weight of a curing agent, 2.5 to 27.5 parts by weight of a metal powder and 10 to 75 parts by weight of chitosan; And 25 to 75 parts by weight of polytetrafluoroethylene (PTFE), 25 to 75 parts by weight of silicon carbide (SiC) powder, and 100 to 250 parts by weight of a water-soluble acrylic resin, based on 100 parts by weight of water, And a protective layer comprising 25 to 50 parts by weight of a water-soluble acrylic adhesive. |