1,Sell zinc carbonate basic 56.5% 2,free sample available 3,SGS certificate Sell zinc carbonate basic 56.5% 1. Product features This product is white slight amorphous powder, not smelly, tasteless. Insoluble in water, and 30% H2O2 role in the formation of oxide release CO2. 2. Use: It can be used not only as lightly astringent, the raw material of latex products, the configuration of calamine and ...