What is P.P.C. ?
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DISTINCTIVENESS FROM GROUND CALCIUM CARBONATE( G.C.C) |
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 EMICAL P.C.C. Magnification: 5,000 x |
 G.C.C. Magnification: 5,000 x |
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| Properties | P.C.C | G.C.C |
| Process | Precipitation and Refining |
Simple grinding |
| Particle shape | Rhombohedral / Scalenohedral |
Undefined |
| Particle Structure |
Calcite / Aragonite | Mainly Calcite |
| Particle Size | Much lower | - |
| Purity | > 97% | Less than P.C.C. |
| Density | 2.5 (Lighter) | 2.7 |
| Abrasiveness | Nil | Present |
| Coating | Uniform (Wet coated) |
Non uniform (Dry coated) |
| Dispersibility | Better than G.C.C | - |
| Brightness | > 98% | < 95% |