By the choice of different performance requirements of a matting agent, preferably extinction efficiency 1) select the average particle diameter of larger products. The average particle diameter of the matting agent greater the extinction efficiency is higher. However, if the particles are too large, and will lead to the film surface is too rough high anti-knot paste colorants sales affect the feel and appearance. 2) Select the porosity (pore volume) higher product. Porosity greater the content per unit weight of the powder will be higher, the better the performance of extinction. Light extinction principle coating film on the extinction principle, is generally believed that the first coating film formed on the surface of minute irregularities pasty anticaking colorant product, the surface of the diffuse reflection of incident light is formed. When the coating film was dried, due to volatilization of the solvent, the surface shrinking, uniformly distributed therein a matting agent particles are formed in the surface of microscopic irregularities. Anti-knot coloring paste manufacturers | Weifang Fuyuan (certified) | Anti-knot coloring cream provided by Environmental Science and Technology Co., Ltd. Weifang Fuyuan. Weifang Fuyuan Environmental Protection Technology Co., Ltd. (www.wfdafuyuan.com) (www.wfdafuyuan.com) Shandong Weifang, the other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Weifang Fuyuan leadership with the staff warmly welcome all inquiries negotiations to create Weifang Fuyuan a better future.