wholesale rutile titanium dioxide pigment

China's lithopone industry has been a significant player in the global market for several decades. Lithopone, also known as zinc sulfide white, is an inorganic pigment that finds applications in various industries such as coatings, plastics, rubber, and paper. This article provides a comprehensive guide to understanding the lithopone factory in China, including its history, production process, market trends, and environmental concerns.

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The unique properties of titanium dioxide make it a preferred choice in various industries. Its high refractive index gives it excellent covering power, making it an essential component in paints, coatings, plastics, inks, and fibers. In paints, for instance, titanium dioxide enhances hiding power and provides the necessary opacity while ensuring color consistency. Manufacturers worldwide rely on this wholesale pigment to standardize their products, reducing the variances that natural pigments might introduce.

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This article discusses the discovery of phosphorescent lithopone on watercolor drawings by American artist John La Farge dated between 1890 and 1905 and the history of lithopone in the pigment industry in the late 19th and early 20th centuries. Despite having many desirable qualities for use in white watercolor or oil paints, the development of lithopone as an artists’ pigment was hampered by its tendency to darken in sunlight. Its availability to, and adoption by, artists remain unclear, as colormen's trade catalogs were generally not explicit in describing white pigments as containing lithopone. Further, lithopone may be mistaken for lead white during visual examination and its short-lived phosphorescence can be easily missed by the uninformed observer. Phosphorescent lithopone has been documented on only one other work-to-date: a watercolor by Van Gogh. In addition to the history of lithopone's manufacture, the article details the mechanism for its phosphorescence and its identification aided by Raman spectroscopy and spectrofluorimetry.

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