Table 7 Chemical composition of sodium hydroxide.
From: Research on the properties of polymer stabilized coal gangue materials in rubber powder slag base
Inspection project | Water insoluble (%) | Density (g/cm3) | SiO2 (%) | Na2O (%) | Fe (%) | Modulus |
|---|---|---|---|---|---|---|
Test results | 0.29 | 1.264 | 26.2 | 8.8 | 0.02 | 3.07 |
Technical requirements | ≤ 0.50 | 1.368–1.394 | ≥ 26.0 | ≥ 8.2 | ≤ 0.05 | 2.8–3.1 |