Sodium Bicarbonate
Sodium Bicarbonate is a general-purpose green sand mold additive. Sodium Bentonite imparts excellent green and hot compression strengths to molding sand where high temperature pouring or firing occurs. This is applicable to both the foundry and refractory industries.
Purity: Hydrous silicate of alumina comprised principally of the clay mineral montmorillonite. Montmorillonite content 75% minimum. Contains small portions of feldspar biotite, selenite, etc.
| Chemical Composition (% by weight) | |
| Silica (SiO2) | 58-62 |
| Alumina (Al2O3) | 14-18 |
| Magnesium (MgO) | 3.2-3.8 |
| pH | 9.5 |
| Iron Oxide (Fe2O3, FeO) | 5.0-7.5 |
Sodium Bicarbonate Safety and storage conditions: Store under clean, dry conditions
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