The world's most of white stuff

the world's most of white stuff that is titanium dioxide, commonly known as titanium dioxide. People used in the past, people mining over-mining, main purpose is to obtain tio2. Titanium dioxide of good adhesive, not easy on chemical change, is always snow-white. titanium dioxide with acid decomposition by rutile extraction, or by four titanium chloride(TiCl4)(T-4)- decomposed, L grams of titanium dioxide can put more than 450 square centimeters of area tu2 snow-white. It than the commonly used white paint a - zinc barium white even white 5 times, so is the best white paint modulation paint. The world used to paint the titanium dioxide, more than a year to several hundred thousand tons. Titanium dioxide can add in paper, the paper turned white and opaque, the effect is 10 times greater than other substances, therefore, money paper and fine art paper will be with titanium dioxide.