Hezhen polychromatic iron oxide pigment for coating painting rubber

Bayanin Samfura

Iron oxide pigments are a kind of important inorganic pigments, which are widely favored for their good dispersibility, light resistance, weather resistance and chemical stability. The following is a detailed introduction to iron oxide pigments:

1. Basic concepts and classification

Iron oxide pigments mainly refer to iron oxide red, iron yellow, iron black and iron brown four kinds of coloring pigments. Among them, iron oxide red dominates in iron oxide pigments, accounting for about 50% of the total. In addition, mica iron oxide used as an anti-rust pigment and magnetic iron oxide used as a magnetic recording material also belong to the category of iron oxide pigments.

2.The main characteristics

Light resistance: iron oxide pigments remain unchanged under strong sunlight exposure and have excellent light resistance.

Weather resistance: It is not affected by the climatic conditions of the atmosphere such as cold and summer, dry and wet, and has excellent weather resistance.

Chemical stability: It has certain resistance to general weak acids and dilute acids, and is very stable to any concentration of bases and other types of alkaline substances. At the same time, it is not dissolved in water, various mineral oils, vegetable oils and ethers, esters, ketones and other organic solvents, and there is no penetration.

Strong coloring power: pure color, with a strong hiding power.

Good dispersion: easy to disperse evenly in various media.

3. Application fields

Iron oxide pigments are widely used in many fields because of their excellent properties:

Building materials: Used for wall decoration, artificial marble, ground stone floor and silicate products coloring.

Paint coating: used for outdoor paint such as automobile topcoat, building exterior wall paint and traffic sign, road marking traffic paint.

Rubber plastic: not only gives the product rich color, but also has a certain reinforcing effect to prevent rubber aging. At the same time for plastic coloring and modification.

Glass products: as a colorant for the manufacture of heat-absorbing glass, sunglasses glass and other glass products with special functions.

Magnetic materials: magnetic iron oxide particles, due to their special super paramagnetism , are widely used in the field of magnetic recording materials, such as tape, hard disk and so on.

Cosmetics: Because of its non-toxic, odorless, tasteless and stable color, it is widely used in cosmetics coloring, such as lipstick, eyeshadow and so on.

Inks: Excellent dispersion and durability in the ink industry to provide stable color prints.

Agriculture: Used for seed coating, fertilizer coloring, etc., to help farmers with field management and crop identification.

Amfaninmu

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