> Specification of Ultramarine Blue
Ultramarine Blue is the oldest and most vibrant blue pigment, with a brilliant blue color that subtly carries a touch of red light. It is non-toxic and environmentally friendly, belonging to the category of inorganic pigments.
It is used for whitening purposes and can eliminate the yellowish tint in white paints or other white pigments. Ultramarine is insoluble in water, resistant to alkalis and high temperatures, and exhibits exceptional stability when exposed to sunlight and weather conditions. However, it is not acid-resistant and undergoes discoloration when exposed to acids.