Molecular formula: K2CO3
Main properties: white powder or crystalline particles. It is easy to dissolve in water, alkaline, hygroscopic and caking.
Uses: special potassium carbonate for ceramics is mainly used for wear resistance and environment-friendly products of ceramics, which can increase the permeability of ceramics.
Potassium carbonate for ceramics (GB / t1587-2000)
| Index name | Superior products | First Grade | Qualified products | Color TV grade | |
| Potassium carbonate (K2CO3) | Content % ≥ | 99.00 | 98.50 | 96.00 | 99.00 |
| Chloride (KCl) | Content %≤ | 0.01 | 0.10 | 0.20 | 0.03 |
| Sulfur compounds (calculated as k2co4) | Content %≤ | 0.01 | 0.10 | 0.15 | 0.04 |
| Iron (FE) | Content %≤ | 0.001 | 0.003 | 0.010 | 0.001 |
| Water insoluble substance | Content %≤ | 0.02 | 0.05 | 0.10 | 0.04 |
| Ignition vector | Content %≤ | 0.60 | 1.00 | 1.00 | 0.80 |
Package: outer woven bag or paper plastic composite bag, lined with plastic bag, net weight 25 / 50 / 1000kg
Storage and transportation: store in ventilated and dry warehouse. It should not be stored in the shed or in the open air. Attention should be paid to moisture-proof. During transportation and loading and unloading, rain proof measures shall be taken to ensure dryness and package free from damage and contamination. Do not store and transport with acids. In case of fire, water can be used.
