Zinc oxide is a kind of pure white powder, which is composed of amorphous or needle like small particles. As a basic chemical raw material, it has a wide range of applications, such as rubber electronics, medicine, coatings and other industries. Zinc oxide can be used as white pigment in printing and dyeing, papermaking, match and pharmaceutical industry. In rubber industry, it is used as vulcanizing agent, reinforcing agent and colorant of natural rubber, synthetic rubber and latex. It is also used in the manufacture of pigment zinc chrome yellow, zinc acetate, zinc carbonate, zinc chloride, etc. In addition, it is also used in electron laser materials, phosphors, feed additives, catalysts, etc. In medicine, it is used to make ointment, zinc paste, rubber paste, etc.