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This precipitate is not suitable for a pigment until it is filtered, dried, crushed, heated to a high temperature and quenched in cold water. The second heating in a muffle furnace at 725 °C produces crystals of the right optical size.

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When choosing a wholesale supplier for anatase titanium dioxide, it's important to consider factors such as quality, consistency, and reliability. Look for suppliers who have a proven track record of delivering high-quality products on time and in full. It's also a good idea to inquire about the supplier's manufacturing processes and quality control measures to ensure that the titanium dioxide meets industry standards.