Acid Resistant Ultramarines have low tinting strength due to the protective coating. Nubiola has developed a new coating technology for the surface treatment of the ultramarine particles providing a minimum coating for maximum efficiency. The result, the flagship for a whole new range of products, is an acid resistant ultramarine blue pigment with the coloristics, characteristics, and easy dispersion of the untreated ultramarines combined with superior resistance to strong acids and improved performance and weatherability.
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