الوصف

Not soluble in water, dilute inorganic acid, organic solvents, oil, slightly soluble in alkali, soluble in strong sulfuric acid. Encounter heat to become yellow, cooling and become white. Rutile type (R type) 4.*6 g/cm3 density, refractive index of 2.*2. R type of titanium dioxide has better resistance to climate sex, resistance to water and not easy to change the characteristics of yellow, but the white degree is a bit poor. Sharp titanium type (type A) 3.*4 g/cm3 density, refractive index of 2.*5. Type A white light resistance sex differences, not weathering resistance, but whiteness is better. In recent years found to the nanometer level superfine titanium dioxide (usually of *0 to *0 nm) has the properties of semiconductor, and high stability, high transparency, highly active and high dispersion, non-toxic and color effect.