الوصف

Product Description We are one of the largest manufacturers in China, established in ***7, which is specially engaged in manufacturing and dealing with a series of calcium carbonate, master batch and polyolefin toughener, plasticizer and so on. ITEM STANDARD RESULTS Description Fine, white, microcrystalline powder, odorless Pass Identification(CO 3 *- )Meet the requirements of the test for carbonate Pass Identification(Ca 2+ )Meet the requirements of the test for calcium Pass Loss on drying(**0 ?C, 4 hours) 2.0% max 0.**0% Substances insoluble in Acid 0.2%max 0.2%max Limit of Fluoride 0.**5%max 0.**5%max Arsenic 0.***3% max 0.***2%max Barium Meet the requirements of the test forBarium Pass Lead 0.***3% max 0.***2% max Heavy metals 0.**2% max 0.**2% max Limit of Magnesium and Alkali metals 1.0% max 1.0% max Assay(CaCO 3 ) *8.****0.5% *9.*0% Iron 0.1% max 0.*4% max Mercury 0.****5% max 0.****5% max