High-purity caustic soda meeting stringent industrial-grade quality standards for consistent process performance.
Low levels of heavy metals and chloride impurities, minimizing equipment corrosion and product contamination risks.
Available in versatile forms including 50% aqueous solution and solid flakes, optimized for safe handling and storage.
Manufactured under strict ISO 9001-certified processes with full traceability and batch-specific quality documentation.
Stable concentration and density profile across batches, ensuring reliable dosing and reaction stoichiometry in continuous operations.
Pulp and paper manufacturing — used in kraft pulping and bleaching stages for lignin removal and brightness enhancement.
Chemical synthesis — essential reagent in production of sodium salts, dyes, pharmaceuticals, and organic intermediates.
Water treatment — employed for pH adjustment, heavy metal precipitation, and regeneration of ion exchange resins.
Aluminum oxide refining (Bayer process) — dissolves bauxite ore to extract alumina with high selectivity and efficiency.
Textile processing — applied in mercerization of cotton to improve luster, strength, and dye affinity.
| Chemical Type | Sodium hydroxide (NaOH) |
| Product Form | 50% w/w aqueous solution (also available as flakes) |
| Appearance | Clear, colorless to slightly yellow liquid (solution); white, free-flowing flakes (solid) |
| NaOH Content (as-is basis) | 49.0–51.0% (for 50% solution) |
| Carbonate (as Na₂CO₃) | ≤ 0.5% |
| Chloride (as NaCl) | ≤ 0.01% |
| Iron (Fe) | ≤ 1 ppm |
| pH (1% solution at 25°C) | ≥ 13.5 |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China