Sodium metasilicate pentahydrate (CAS 10213‑79‑3) supplied by Global Optimals is a key alkaline builder for household and industrial detergents. Chemically it is a crystalline hydrate in which each Na₂SiO₃ unit is associated with five water molecules, giving the material high solubility and a stable dry‑powder form. When dissolved, it generates sodium hydroxide and metasilicate ions; the latter readily complex calcium and magnesium ions present in hard water, preventing scale formation and enhancing the effectiveness of surfactants. In alkaline media (pH ≈ 13) metasilicate promotes the formation of gel‑like structures that improve emulsification of oils and facilitate deep penetration of cleaning agents into textile fibers. This dual action—water softening and surfactant boost—makes it indispensable in powder and liquid laundry detergents, automatic dishwashing systems, metal‑working cleaning formulations, and food‑industry disinfectants where both grease removal and microbial control are required. When combined with enzymatic additives such as proteases or amylases, the high pH environment maintained by metasilicate sustains enzyme activity, leading to faster stain breakdown. Granule size influences performance: larger granules release alkali slowly, suitable for long wash cycles, while finer granules provide an immediate pH jump for tough‑stain treatment. For storage, keep the material in a dry, cool environment away from moisture and direct sunlight; polypropylene bags preserve its properties for up to 12 months. Typical dosing in household powder formulations ranges from 5‑10 % of the dry blend, whereas liquid concentrates usually contain 0.5‑2 % of the final product to achieve the desired alkalinity without excess sodium load. During transport avoid contact with acidic substances to prevent exothermic reactions and ensure safe handling.
| Форма | Кристаллические гранулы |
| pH (1%) | ≈ 13 |
| Раств. в воде | Полная |
| Моющий эффект | Высокий |
25 kg bags / 1000 kg big bags
To maintain the integrity of sodium metasilicate pentahydrate, store the material in a dry, well‑ventilated area at typical warehouse temperatures (approximately 20‑25 °C). Protect from direct sunlight and moisture to prevent premature dissolution. When stored under these conditions the product generally retains its performance for 12‑24 months; periodically inspect packaging for any damage, moisture ingress, or contamination. During handling wear appropriate protective gloves and eye protection, and avoid inhalation of dust particles.
