Structure formula
|  Na2CO3 | USE | - Glass industry : melting point lowering agent, provision of
alkali content
- Soap, detergent: fatty acid neutralizing agent, mixing agent ofr
improvement of washing performance
- Food industry : neutralizing agent when manufacturing soy,
butter, cream and cacao
- Textile industry : raw wool washing process, product washing
and bleach
- Paper industry : fiber softener, pH controller
- Chemistry industry : for production of sodium bicarbonate,
soda silicate, soda bisulfite, soda phosphate and etc.
- Others : neutralizing agent for chemical agent, industrial
water softener, waste water treatment agent | Physical/chemical property
| ITEM ＼ PURITY
| Light ash | Heavy ash | Appearance
| White powwder
| White powwder | | Density | 0.6～0.8g/㎤ | 1.0～1.4g/㎤ | | Melting Point ℃ | 851 | 851 | | Specific Gravity20℃ | 2.5 | 2.5 | | Water Solubility 20℃ | 22.6wt.% | 22.6wt.% | | Flash Point Not | applicable Not | applicable Not | | PH | Not applicable | Not applicable |
| Specification
| TEST/ITEM
| Light ash | Heavy ash | | Weight | below 1.0 | below 1.0 | weight loss on heating(%), max
| 1.0 | 1.0 | Water insoluble amount(%), max
| 0.2
| 0.2 | Content (%), min
| 99 | 99 | NaCl(%), max
| 0.5
| 0.5 | FeO₃(%), max
| 0.01 | 0.01 |
| Packing
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