Nano Calcium Carbonate
Special ink with ultra-fine nano calcium carbonate, ultra-pure features,the production process to control the crystal shape and the size and surface of the product by the dispersant resin acids and special surface modification, and printing ink resin with good compatibility. 
So its ink products that have products with small particle size, narrow particle size distribution, good transparency, high gloss, the advantages of moderate flow, with space for three-dimensional structure, and good dispersion.
Features: Nano Calcium Carbonate, 15-40nm in average size, used in ink industry, can provide viscosity, printing performance, high stability and easily compatible with other materials, makes the printed matter smooth, dot integrity and strong hiding power. As functional filler, which can improve gloss, brightness, liquidity, good permeability and drying in ink. It is mainly used to regulate concentration and consistency in ink.
SL-NPCC–401 | ||||
ITEM | SPECIFICATION | |||
MIN. | TARGET | MAX. | ||
| 1 Appearance | White powder or yellow | |||
| 2 Shape | (Cubic) | |||
| 3 Average size(nm) | 15 | 30 | 40 | |
| 4 lustrousness | Qualified | Excellent | Excellent | |
| 5 Fluidity | 33±2mm | |||
| 6 PH value | 8.0 | — | 9.5 | |
7 Moisture content % | __ | __ | 0.90 | |
| 8 Oil absorption （ml/100g） | __ | 35 | 45 | |
| 9 CaCO3 content(unmodified) | 95.0 | __ | __ | |
| 10 MgO content | __ | __ | 0.5 | |
| 11 Insoluble matter with acid | 0.1 | |||
| 12 (Fe content) | 0.08 | |||
| 13 (Loss on ignition) | 44.0 | 45.4 | 46.5 | |
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