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Titanium dioxide is widely recognized across various industries, with its applications spanning numerous sectors. One of the key areas where it plays a vital role is in the paper industry. Let’s explore how titanium dioxide contributes to different types of paper production.
The paper industry ranks as the third-largest consumer of titanium dioxide. In low-grade paper, titanium dioxide is typically not used due to cost constraints. Instead, materials like calcium carbonate, talc, and kaolin are commonly used, but these can weaken the paper's strength and increase its weight. On the other hand, titanium dioxide is essential for high-quality papers such as decorative paper, Bible paper, and banknotes—used in items like dictionaries, magazines, book covers, copier paper, and currency.
Papers containing titanium dioxide are known for their excellent whiteness, high strength, and luster. They are thin, smooth, and do not allow ink penetration during printing. Compared to calcium carbonate or talc, titanium dioxide offers 10 times higher opacity under similar conditions, while also reducing the paper's weight by 15% to 30%.
Decorative paper, often referred to as "titanium white paper," is primarily used in manufacturing furniture, flooring, and wallpaper. For papers that require anti-aging properties, rutile-type titanium dioxide is preferred. High-ash papers also tend to use more rutile, as anatase does not provide sufficient hiding power. In contrast, anatase is commonly used in low-ash papers like Bible paper and banknotes, which require good opacity. This type of paper is also often made using anatase titanium dioxide.
In China, the usage of titanium dioxide in decorative paper far exceeds that in other types of paper. This trend is driven by the country's growing demand for home decoration and premium furniture. As a result, the consumption of decorative paper has been rising steadily. Meanwhile, the cost of using Bible paper is significantly higher than regular paper, limiting its market due to domestic consumption levels. Similarly, the production and use of coinage paper are state-controlled, keeping the usage stable and not greatly impacting the titanium dioxide market.
According to rough estimates, over 30,000 tons of titanium dioxide are used annually in decorative paper in China. The concentration of titanium dioxide in decorative paper ranges from 20% to 40%, whereas in other types of paper, it is between 1% and 5%. With traditional paper mills shifting toward producing decorative paper, the output has increased rapidly, and prices have dropped in recent years.
Hebei Blue Crystal Titanium Dioxide Co., Ltd.: http://