... has strict materials selection in the production of precipitated calcium carbonate, various raw materials such as stone, coal ... pipes, profiles, plastic products, can be degradable plastics, wires, cables and rubber materials, coatings and other industries, can ... surface gloss and product performance and so on. Precipitated Calcium Carbonate ItemSpecificationCaCo3 content (%)99PH value 9.0-10.0Moisture ...