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Titanium Dioxide & Paint Weather Resistance

Titanium Dioxide is a major ingredient in many paints and coatings. It presents as a fine white powder. When used in paints, it is generally used to provide whiteness and opacity. It gives paint high hiding power, meaning the ability to mask or hide the substrate underneath. However, it is also very useful for increasing the weatherability of paints.

According to a feature “Titanium dioxide pigments play an important role in protecting white and light-coloured paints against the influences of weathering. Careful pigment design enables the best protection and guarantees maximum coating lifetime. During the development of pigments and paints it is important to study and measure weathering influence in the most representative way. In this paper, a comparison is made between accelerated methods for studying weathering and outdoor exposure of several industrial paints. The impact of titanium dioxide on weather resistance, as well as the correlation between the testing methods, is evaluated and discussed.”

Chemgrit Coatings is a leading supplier of Titanium Dioxide to the local paint and coatings market. For more information go to or contact

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