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Titanium dioxide is the strongest coloring power among white pigments, with excellent hiding power and color fastness, and being suitable for opaque white products. Titanium dioxide food grade is non-toxic, tasteless and edible. As a food additive, it has whitening and shielding effect and is widely used in various white foods.
| Имя | Оксид титана (IV) |
| Синонимы | рутил Тилак Д Титания CI 77891 TiLox-черный диоксотитан пигмент белый титановый белый Оксид титана Оксид титана Оксид титана Пигмент Черный 35 Диоксид титана Einecs 257-372-4 Оксид титана(Ⅳ) Оксид титана(IV) Диоксид титана Оксид титана (IV) CI Пигмент Белый 6 Анатаз, оксид титана Диоксид титана (IV) рутиловый диоксид титана Диоксид титана, рутил диоксид титана анатаз Диоксид титана, анатаз Анатаз диоксида титана Диоксид титана пищевой |
Физико-химические свойства
| Молекулярная формула | O2Ti |
| Молярная масса | 79.8658 |
| Плотность | 4.17 г / мл при 25 ° C (лит.) |
| Температура плавления | 1830-3000 ℃ |
| Болинг Точка | 2900 ℃ |
| Растворимость воды | нерастворимый |
| Внешний вид | Shape powder, color White |
| PH | <1 |
| Условия хранения | Комнатная температура |
| MDL | MFCD00011269 |
| Физические и химические свойства | Белый порошок. white powder with soft texture, odorless and tasteless, strong hiding power and coloring power, melting point 1560~1580 ℃. Insoluble in water, dilute inorganic acid, organic solvent, oil, slightly soluble in alkali, soluble in concentrated sulfuric acid. It turns yellow when heated and white after cooling. Rutile (R-type) has a density of 4.26g/cm3 and a refractive index of 2.72. R type titanium dioxide has good weather resistance, water resistance and not easy to yellow characteristics, but slightly poor whiteness. Anatase (Type A) has a density of 3.84g/cm3 and a refractive index of 2.55. Type a titanium dioxide light resistance is poor, not resistant to weathering, but the whiteness is better. In recent years, it has been found that nano-sized ultrafine titanium dioxide (usually 10 to 50 nm) has Semiconductor properties, and has high stability, high transparency, high activity and high dispersibility, no toxicity and color effect. |
| Используйте | Used in paint, ink, plastic, rubber, paper, chemical fiber and other industries;Used for welding electrode, refining titanium and manufacturing titanium dioxideTitanium dioxide (Nano) is widely used in functional ceramics, catalysts, cosmetics and photosensitive materials, such as white inorganic pigments. White pigment is the strongest one, with excellent hiding power and color fastness, suitable for opaque white products. The rutile type is particularly suitable for use in outdoor plastic products, which can give good light stability. Anatase is mainly used for indoor products, but slightly blue light, high whiteness, large hiding power, strong coloring and good dispersion. Titanium dioxide is widely used as paint, paper, rubber, plastic, enamel, glass, cosmetics, ink, water color and oil color pigment, can also be used in metallurgy, radio, ceramics, electrode |
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