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Contact Supplier2. Calcium Carbonate for Paper & Printing: A bright white Calcium Carbonate added to a paper pulp as a filler in alkaline papers or applied as a coating pigment. It is used in alkaline papermaking, which is receiving increased interest due to the longer longevity of alkaline papers.
We offer two types of Calcium Carbonate used in paper mill Ground Calcium Carbonate (GCC) and Precipitated Calcium Carbonate (PCC). The main reason behind the preference of Calcium Carbonate is the demand for brighter and bulkier paper. There are significant benefits to the use of Calcium Carbonate in the alkaline papermaking process. The brightness of the GCC is 86-95%.
Printing Inks -Calcium Carbonate used as a white pigment. It can be coated to impart greater gloss to the ink surface. It is low in cost and is commonly used as an extender in place of the more expensive Titanium Dioxide.