Metal protective coating, the use thereof, and hot-dip metallic material using the same

摘要

A metal protective coating is provided, which is obtained by mixing homogeneously a raw mixture, which contains water soluble silicate, silicon oxide packing, water soluble film formation resin, CH 3 Si(ONC(CH 3 )CH 2 CH 3 ) 3 and water. The use thereof and a hot-dip metallic material are further provided. The protective film formed by the metal protective coating as provided has outstanding corrosion resistance, water resistance, thermal resistance, and fingerprint resistance properties.