ANTI-CORROSIVE PIGMENT AND ANTI-CORROSIVE AQUEOUS PAINT

摘要

ABSTRACT OF THE DISCLOSUREAn anti-corrosive pigment comprises an iron oxide-calcium oxide sintered composite of an average particle size in arange of 0.7 - 7µm, which contains at least 25% by weight of2CaO'Fe2O3 and has a extremely low water-soluble calcium content.An anti-corrosive aqueous paint containing the above pigment isalso described which has superior storage stability without beingsubject to gellation.