Ultramarine blue is light and weather resistance, fastness to strongly alkaline cement paste, insoluble in the mixing water and rainfall, very stable chemical properties, high cement compatibility, which makes it widely used in constructions and architectures, such as concrete, mortar, cement. In the meanwhile, the unique blue color of ultramarine blue is more than more popular especially in the innovation designs for colored cements.
Besides, the most usual inorganic pigments for the cement coloration are synthetic and natural iron oxides for red, yellow, black and brown colors, chrome oxide green for green color, ultramarine blue and cobalt blue for blue colors, titanium dioxide for white color.
