Based on the results of psychologists, people outside feel of colorants information received, 83 per cent from the visual impression. Visible sales, the importance of fertilizer colorants product appearance, which is particularly important especially in exterior color. On feed products, users with no need of a feed product, feed the appearance of color plays a very important role in the decision. For livestock, poultry, aquatic products concerned, especially poultry products colorants fertilizer company, whether consumers are willing to buy food, carcass skin color, the color of egg yolk are very major factor. Refers to the heat stability of the pigment at a certain temperature and a certain time of fertilizer manufacturers colorant, a pigment is not changed significantly shade, color strength and performance. Pigments in the plastic is heated change constituted by the following factors: (1) the chemical structure of the pigment due to thermal decomposition, such as azo pigments cleavage of the azo group by heat discoloration; (2) a pigment and plastic resin additives chemical interaction between each other; ( 3) heating the pigment in the resin is dissolved; (4) after the pigment particle size to heat and changes in their changes. Colorants fertilizer company | Weifang Fuyuan (certified) | fertilizer colorants 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. You can also access (www.wfdafuyuan.com/supply_details_49925520.html), for more information about the company.