| Classification: | Calcium Carbonate Powder |
|---|---|
| Purity: | 99.999%Min |
| Color: | White |
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| Papermaking (special) calcium carbonate is a spindle-shaped white powder or slurry product. Its main features are complete micro-crystal form, basically the same shape, moderate particle size, high whiteness, good hiding power, and low wear. Can improve the printing performance and breathability of paper. |
| Index | CaCO3 |
| Particle Shape | Spindle Shaped |
| Average Particle Size(um) | 2 |
| Whiteness(%≥) | 94 |
| Settling Volume (ml/g) | 2.8 |
| Subsidence Degree(≥) | 65 |
| Sieve Residue | Max% |
| 125µm | 0 |
| 45µm | 0.02 |
| CaCO3(%) | 98.5 |
| PH (10% suspension) | 8.0-10.0 |
| Volatile Matter (Below 105ºC)(%≤) | 0.25 |
| Hydrochloric Acid Insoluble Matter | 0.06 |
| CaO(%≤) | 0.05 |
| Packing: | 50KGs Iron Drum or 1000KGs Jumb Bag or packing as per request. |
| Storare: | Storing in sealed, dry and cool condition, not exposing to air for long time, avoiding moisture. |
| Characteristics: | Pink powder, slightly soluble in inorganic acid, insoluble in water. |
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