We are a leading Manufacturer, Exporter, Supplier, and Retailer offering high-quality Calcium Carbonate with a purity range of 97% to 98%. Our Calcium Carbonate, with CAS No. 471-34-1, is ideal for rubber applications. This product type features a balanced pH value, with a density of 2.93 and a melting point of 825°C. It exhibits gas evolution of 295L/KG min, with Phosphine content not exceeding 0.06%. Available in meshes ranging from 400 to 3000, our Calcium Carbonate is offered in powder form and lumps, boasting a minimum whiteness of 98% for superior quality.