... Substance %≤0.300.30Applications: 1) In glaze making of porcelain, tinting of porcelain products, making of polishing material, super paint pigment, ... building materials, as organic synthetic catalyst .3) In making of sunlight fastness coatings, special printing ink for paper ... money, making of polishing ointment and abrasive, etc.4) In making chrome metal, etc. pigment oxide ...