Titanium Dioxide Rutile Anatase TiO2 Titanium Dioxide Pigment Grade

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Anatase titanium dioxide, chemical name titanium dioxide, molecular formula Ti02, molecular weight 79.88. White powder, relative density 3.84. The melting point is 1560°C. Water absorption O.02%. High temperature (>700℃) heating to transform into rutile crystals. The melting point is about 1800°C. The refractive index is 2.55. The average particle size is 0.15～0.23um. Mohs hardness of 5～6. Stable chemical properties, light resistance, heat resistance, dilute acid resistance and dilute alkali resistance. It has strong tinting power (hiding power) and dispersion power. The durability is not as good as the rutile titanium dioxide, the light resistance is poor, and the glue layer is easy to powder after being mixed with the resin. The temperature is higher than 400°C and it is obviously yellow. It is insoluble in water, organic acids and inorganic acids, but soluble in concentrated sulfuric acid, alkali and hydrofluoric acid. Non-toxic, with a higher allowable concentration of 10mg/m3 in the air.

Chemical properties:

Anatase titanium dioxide is extremely stable in chemical properties and is a kind of acidic amphoteric oxide. It hardly reacts with other elements and compounds at room temperature and has no effect on oxygen, ammonia, nitrogen, hydrogen sulfide, carbon dioxide, and sulfur dioxide. It is insoluble in water, fat, dilute acid, inorganic acid and alkali, but only soluble in hydrogen. Fluoric acid. But under the action of light, titanium dioxide can undergo continuous oxidation-reduction reactions and has photochemical activity. Anatase titanium dioxide is particularly obvious under ultraviolet light. This property makes titanium dioxide a photosensitive oxidation catalyst for some inorganic compounds and a photosensitive reduction catalyst for some organic compounds.

Application

Titanium dioxide for papermaking generally uses anatase titanium dioxide without surface treatment, which can play the role of fluorescence and whitening, and increase the whiteness of paper. The titanium dioxide used in the ink industry has rutile type and anatase type, which is an indispensable white pigment in ink. The titanium dioxide used in the textile and chemical fiber industries is mainly used as a matting agent. Since the anatase type is softer than the gold red type, the anatase type is generally used. Titanium dioxide is not only used as a coloring agent in the rubber industry, but also has reinforcing, anti-aging, and filling functions, and is generally based on anatase.

Container Packing:

20GP，1000kg/Tray，20Tray，Total：20ton/Container

20GP，1200kg/Tray，20Tray，Total：24ton/Container

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