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33-
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Titanium dioxide
IUPAC name: Titanium(IV) oxide, Titanium Dioxide Anatase; Titanium Oxide, Titanium Dioxide modified; Hombikat; E 171, Titania (8.23 m2/g) (nitrogen BET specific surface area)
Molecular Formula: TiO2
Molecular Weight: 79.87
CAS No.: 13463-67-7
Einecs: 236-675-5
H. S. Code:
Appearance: White powder
Properties: Titanium(Titanium dioxide) chemical stability, under normal circumstances, not react with most substances. In nature, there are two kinds of titanium dioxide crystal: Anatase and rutile type, anatase (Anatase) referred to as A type, and rutile (Rutile) referred to as R-type, have a stable lattice is an important white pigment and porcelain glaze material, compared with other white pigments have superior whiteness, color strength, hiding power, weatherability, heat resistance, and chemical stability, in particular, is not toxic.
Specification: Standard Q/LCHY01_2004
In coating industry: Coating is the largest user of titanium dioxide, especially rutile titanium dioxide, largely consumed by coating industry. Made with titanium dioxide paint, color, hiding power high, coloring and strong, dosage provinces, varieties, the stability of the media can play a protective effect, and can enhance the film's mechanical strength and adhesion, prevention of crack, Prevention of UV and moisture through to extend the life of film.
In Plastics industry, Plastics is the second largest user, by adding titanium dioxide in plastic, plastic products can improve the heat resistance, light resistance, weather resistance, so that the physical and chemical properties of plastics to improve and enhance the mechanical strength and long life.
In Paper industry: Paper making is the third largest titanium dioxide users, as a paper filler, primarily used in paper and thin paper in the high-level. In the paper, adding titanium dioxide will enable the paper has good whiteness, good gloss, high strength, thin and smooth, printing, without penetration, the quality of light. Paper with the general use without the surface treatment of titanium dioxide anatase titanium dioxide, can play the role of fluorescent whitening agent to increase the whiteness of paper. However, after lamination of paper requires the use of rutile titanium dioxide surface treatment to meet the light, heat-resistant requirements.
In white pigment: Titanium dioxide is an indispensable high-level ink white pigment. Durable ink containing titanium dioxide does not change color, surface wettability is good, easy to disperse. Ink used in the industry are rutile titanium dioxide, but also anatase. String 3
In textile and chemical fiber industry: Titanium dioxide is another important application areas. Fiber with titanium dioxide primarily as a matting agent. As the anatase-type soft red than gold, the general use of anatase. Fiber with titanium dioxide generally did not require surface treatment, but some special varieties in order to reduce the role of titanium dioxide, photochemical and avoid fiber in the role of titanium dioxide photocatalysis degrades, in need of surface treatment.
In the rubber industry, both as a coloring agent, but also has been strengthened, anti-aging, filling the role. In the white and colored rubber products by adding titanium dioxide, in the bright sunlight, sunlight-resistant, non-cracking, do not change color, stretch rate is high and the acid and alkali. Rubber with titanium dioxide is mainly used in automobile tires, and rubber boots, rubber flooring, gloves, sports equipment and so on, generally the main anatase. However, for the production of automobile tires, often adding a certain amount of rutile-type products to enhance the ability of anti-ozone and ultraviolet resistance
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