Product introduction
Caustic Soda Flakes (Sodium Hydroxide, NaOH) are a highly alkaline inorganic chemical supplied in solid flake form for a broad range of industrial applications. Known for their strong alkalinity, high chemical reactivity, and excellent solubility in water, Caustic Soda Flakes are widely used in chemical manufacturing, pulp and paper, textile processing, alumina refining, soap and detergent production, petroleum processing, and water treatment.
The flake form provides convenient handling and efficient transportation for industrial users, while allowing customers to prepare solutions according to their specific production requirements. We supply industrial-grade Caustic Soda Flakes with stable quality, secure moisture-resistant packaging, competitive pricing, and professional export services.
Our Caustic Soda Flakes are suitable for chemical distributors, manufacturers, water treatment companies, and other industrial B2B buyers requiring reliable bulk supply from China. We focus on consistent product quality, efficient logistics, and long-term cooperation with international customers.
Item | Specification |
Product Name | Caustic Soda Flakes |
Chemical Name | Sodium Hydroxide |
Chemical Formula | NaOH |
CAS No. | 1310-73-2 |
Appearance | White, Pearl-like Flakes |
Sodium Hydroxide (NaOH) | 99.0% min |
Sodium Carbonate (Na₂CO₃) | 0.50% max |
Sodium Chloride (NaCl) | 0.03% max |
Iron (Fe₂O₃) | 0.005% max |
Water Insoluble Matter | 0.005% max |
Grade | Industrial Grade |
Purity | High Purity |
Packing | 25 kg PP/PE Bag / 500 kg Jumbo Bag / 1000 kg Jumbo Bag |
Storage | Store in a cool, dry and well-ventilated place |
Shelf Life | 24 Months under proper storage conditions |

