ultrafine magnesium carbonate: molecular formula ismgco3. its chemical property is similar with ordinary magnesium carbonate but its particle is less than 10um. the ultrafine magnesium carbonate has many special characters, such as volume effect, surface effect, tunnel effect etc, which may make its products obtain many fantastic physical and chemical characters on the aspects of catalysis, photoelectricity, magnetism, mechanics etc, therefore, it is broadly applied to space navigation, national defense industry, magnetic recording equipment, computer engineering, and nucleus industry etc. it may not only play an important role in high-tech fieldŁ¬but also bring force and vitality to tradition industry
in 20kg paper bag.