Patent ID: 6235407
Filing Date: 2001-05-22
Classification: B05D,B32B,B60K,C23C,Y10T

Abstract:
A highly corrosion resistant steel sheet for fuel tank comprising a lowermost layer of a Zn plating layer or a Zn-based plating layer deposited on each side of the steel sheet; a chemical conversion film deposited on the lowermost layer; a metal powder-containing organic resin film deposited on one of the chemical conversion film, said metal powder-containing organic resin film containing Al and Ni metal powders and an amine modified epoxy resin; and a silica-containing organic resin film deposited on the other chemical conversion film, said silica-containing organic resin film containing at least one resin having at least one functional group selected from the group consisting of hydroxyl group, isocyanate group, carboxyl group, glycidyl group, and amino group; silica; and a lubricant.