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Standard:GB 209-1993
Uses: It is widely used in papermaking, textile, light industry, petroleum, plastic, rubber, dye, medicine, metallurgy and war industry.
Technical requirements:
| Item |
diaphragm process |
| Top-grade |
First grade |
Qualified product |
| Sodium hydroxide , % ≥ |
96.0 |
96.0 |
95.0 |
| Sodium carbonate , % ≤ |
1.3 |
1.4 |
1.6 |
| Sodium chloride , % ≤ |
2.7 |
2.8 |
3.2 |
| Ferric oxide, % ≤ |
0.008 |
0.01 |
0.02 |
* It is referenced to Γ OCT2263-79. NO.:ZBCZ10009.
Molecular formula:NaOH
Relative molecular mass :40.00
Properties: white fiber-like crystalline solid. strong alkali
Packing & Storage:Solid product can be kept in sealed steel barrel(thickness=0.5mm), net wt. is not more than 100kg; steel barrel can be transported in train. Do not mix with inflammable/flammable matter, acid and food chemicals.
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