Specification :

physical and chemical property:
white hexangular crystal or powder, odorless, non-toxic and fine, relative density is 5.606, refractive index is 2.008-2.029 , melting point is 1975° C, soluble in acid, NaOH , NH4CL , insoluble in water, ethanol or ammonia, it can absorb the CO2 and water in the air and generate yellow ZnCO3, it can absorb ultraviolet rays.
use: The rubber industry as natural rubber, latex and synthetic the vulcanizing agent activity, but also for reinforcing agents and coloring agent. It is the most important inorganic active agent. For paint, ink and wax cloth rendering. Dye for the printing industry-dye. In addition to glass and glaze for the production.