The wide use of titanium dioxide is recognized by all walks of life, and there are many industries involved. Let's take a look at the production of paper that titanium dioxide can be used in the paper industry.
Papermaking is the third largest user of titanium dioxide. In low-grade paper, titanium dioxide is not used because of the production cost. Porcelain, talc, calcium carbonate, etc. are mainly used, but they reduce the strength of the paper and increase the weight of the paper. Titanium dioxide must be used in decorative paper, Bible paper and banknotes (such as dictionaries, pictorials, magazine covers, computers, banknotes, copier papers, decorative papers, etc.). Paper with titanium dioxide should have good whiteness, high strength and luster. It is thin and smooth, and does not penetrate during printing. Under the same conditions, the opacity is 10 times higher than that of calcium carbonate and talc, and the weight can be reduced by 15% to 30%.
Decorative paper, also known as titanium white paper, is mainly used to make raw materials for furniture, flooring, wallpaper, etc. For papers with anti-aging requirements, rutile must be used; more rutile is used in high ash paper. This high ash paper must use rutile because the hiding power of anatase titanium white is not available. Claim. Anatase titanium dioxide is used in low ash paper, such as Bible paper and banknotes. Bible paper requires good opacity of paper. Generally, it can be satisfied with anatase titanium; coinage paper is also required. The opacity is mainly used in the anatase type.
In China, the amount of titanium white used in decorative paper is much higher than the other two varieties. This situation is determined by the level of consumption in China. Due to the large demand for house decoration and high-end furniture, the amount of decorative paper is gradually increasing; the cost of using Bible paper as raw material is much higher than that of plain paper. Due to the domestic consumption level, the market of Bible paper is very limited; The manufacture and use of coin paper is controlled by the state, and the dosage is relatively stable, which will not affect the titanium dioxide market. According to incomplete estimates, the domestic titanium white used for decorative paper exceeds 30,000 tons per year. The amount of titanium white in decorative paper is 20-40%, and the other paper is 1~5% titanium white. As traditional cultural paper production plants have transformed the production of decorative paper, the output of decorative paper has increased rapidly, and the price of decorative paper has declined in recent years.
Hebei Blue Crystal Titanium Dioxide Co., Ltd.: http://
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