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What is the difference between natural and precipitated Calcium Carbonate?

April 26, 2017calcium carbonate difference natural precipitated

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What is the difference between natural and precipitated Calcium Carbonate?

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The main difference is the dimension of the grains. In the case of natural CaCO3 (NCC), the average particle size d50 is between 0.5 and 5 µm. In the case of precipitated CaCO3 (PCC), the average particle size is generally below 0.1µm. The PCC has a positive effect on the gelation speed, the impact strength and the gloss. d.