Iron oxide, also known as iron red, iron trioxide, etc. The chemical formula Fe2O3, soluble in hydrochloric acid, is a reddish brown powder. Its reddish brown powder is a low-level pigment, also known as iron oxide red in industry.


There are two types: natural and artificial. It is naturally called Xihong. It is basically pure iron oxide. Red powder. Due to differences in production methods and operating conditions, their crystal structure and physical properties vary greatly, with color ranging from orange light to blue light to purple light. The covering power and coloring power are both great. Density 5-5.25. It has superior light and high temperature resistance, and is gradually dissolved in concentrated acid only under heating.


Iron oxide, as a pigment, is widely used in high-end automotive coatings, architectural coatings, anti-corrosion coatings, and powder coatings. It is a good environmentally friendly coating.

Iron oxide is a commonly used colorant in glass production, widely used in the manufacturing of heat absorbing glass, sunglass glass, industrial protective glass, and military infrared resistant coatings.

Iron oxide pigments are also widely used as colorants and protectors for wood painting abroad.

Used as a pigment or colorant in various types of prefabricated concrete components and building product materials.

Applied to various architectural ceramics and glazed ceramics, such as face tiles, floor tiles, roof tiles, panels, terrazzo, mosaic tiles, artificial marble, etc.

Coloring and protective substances applied to various coatings, paints, and inks, including water-based interior and exterior wall coatings, powder coatings, etc,

Used for coloring various cosmetics, paper, and leather.

Applied in industries such as construction, rubber, plastics, coatings, etc.

What are the advantages of iron oxide pigments?

Using iron oxide as a pigment not only maintains the advantages of good heat resistance, weather resistance, and UV absorption of general inorganic pigments, but also disperses well in oily carriers. The coatings or inks prepared with it have satisfactory transparency. Coatings made from iron oxide with semiconductor properties can provide electrostatic shielding due to its high conductivity.

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