Heavy Calcium Carbonate CaCO3） :

    Heavy calcium carbonate is the choice of high-quality white calcite as raw material, through mining, washed and dried, rough broken, broken, ground, Ultra-grading processes processed, and each procedure, in accordance with the operating regulations and stringent testing standards for the production, by the final product tested and approved only after granting packaging factory. Products with high brightness, uniform particle distribution, a narrow particle size distribution characteristics. Widely used in plastics, rubber, glass, building materials, chemicals, feed, paint, paper, food, medicine, electricity insulation, asphalt shingles and other industries.
Nature：
    White powder, odorless, tasteless and home air revealed no change, do not dissolve in water, in the presence of salt water or carbon dioxide-insoluble, not soluble in alcohol. Rare case of acetic acid, hydrochloric acid, nitric acid dilute prone bubble and boil dissolved; Heating decomposition of calcium oxide and carbon dioxide.
Technical Requirements：