How is calcium carbonate added as a filler? Calcium carbonate is used as a filler
In papermaking and coatings, calcium carbonate is generally added in a dispersion system of water or other solvents. Because the production of paper and coatings is completed in a multi-phase system of water or solvent.
Rubber and plastic are mostly heated and molded. Generally, solid powder is added directly for mixing. However, it is also added during the polymerization process. At this time, the system of the polymerization reactants must be considered. If it is a multi-phase system such as a solution, it can also be dispersed with a solvent. The main components of talc are magnesium tetroxide and magnesium silicate. Heavy calcium carbonate, referred to as heavy calcium, is a white powder processed from high-quality calcite as raw material. Its main component is CaCO3. Heavy calcium has the characteristics of high whiteness, good purity, soft color and stable chemical composition, so heavy calcium is a good filler commonly used in industry.