3 kinds of heavy calcium carbonate powder grinding …
2. 21/24/28/32 roller ultrafine grinding mill is used to produce 74-5 (150-3000 mesh) products, D97<5μm, D50<3μm, high fine powder content, good powder quality; 3. Ultra-fine vertical mill is suitable for the production of 400-3000 mesh calcium carbonate, D97<4μm, D50<2μm, characterized by high whiteness, good sphericity and high efficiency. 4.