How does Pigment performance affect Spreader paper mass?

The type and nature of pigments play a very important role in the optical properties, physical properties and printing performance of coated paper. Therefore, when coating processed paper, how to choose the appropriate pigment in the coating formula is very important. This paper introduces the influence of the performance of pigments on the quality of coated paper. The main function of the pigment is to fill and level the surface of the paper, to make it a uniform and uniformly absorbed printing surface, and to improve the appearance of the coated paper. In order to meet the needs of paper coating, pigments need to have certain physical and chemical properties. The basic requirements are: good dispersion in water, correct particle size components, crystal structure, high opacity, high whiteness and high water absorption. Low resistance, good abrasion resistance, strong chemical stability, good adaptability to other ingredients in the coating mixture, less adhesive dosage required, if dyeing is required, high tinting strength and color durability are required, and the cost is low.