Abrasion Characteristics of Huber’s Ground Calcium Carbonate (GCC) Products versus Competitors ... Since ground calcium carbonate is a naturally mined material, impurities exist in all ore bodies. ... economies of ultrafine grinding favor wet milling to the desired particle size.
Heavy calcium, that is, heavy calcium carbonate, is a calcium carbonate powder produced by crushing a grinding mill using ore such as calcite, chalk, and marble. Heavy calcium carbonate is an inorganic nonmetallic mineral powder product with rapid growth in production in the past 20 years.