Calcium Carbonate Questions & Answers
The real questions buyers and engineers ask.
Questions & Answers
Coated vs Uncoated Calcium Carbonate
Coating is a surface treatment — most commonly stearic acid or a stearate — applied to CaCO₃ particles to make them hydrophobic and more compatible with non-polar polymer melts. Coated grades disperse more easily, reduce moisture pick-up during storage and…
ReadGCC vs PCC — Ground vs Precipitated Calcium Carbonate
GCC (Ground Calcium Carbonate) is produced by mechanically grinding natural limestone, marble or chalk. PCC (Precipitated Calcium Carbonate) is synthesised by carbonating a calcium hydroxide slurry with CO₂ under controlled conditions. The two share the…
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