Global - Premier Sodium Sulfide: The Indispensable Chemical for Diverse Industrial Realms
Major Application Fields
In the paper industry, our sodium sulfide plays a crucial role in the kraft pulping process. It helps break down lignin, a complex organic polymer that binds cellulose fibers in wood. By dissolving lignin, sodium sulfide enables the separation of cellulose, which is the main component used to make paper. This results in higher - quality pulp with improved strength and brightness. Paper manufacturers can produce a wider range of paper products, from newsprint to high - end printing papers, using our sodium sulfide to enhance their production efficiency and product quality.
The textile industry also benefits greatly from our Global - Premier Sodium Sulfide. It is used in the desulfurization process of wool. Wool often contains sulfur - containing compounds that can affect its quality and processing. Sodium sulfide reacts with these compounds, removing sulfur and improving the softness, color, and overall quality of the wool. Additionally, it is used in some dyeing processes to adjust the chemical environment, facilitating better dye uptake by the fabric, leading to more vibrant and long - lasting colors.
In the mining industry, sodium sulfide is an essential reagent. It is used in the flotation process of certain metal ores, especially those containing copper, lead, and zinc. Sodium sulfide can activate the surface of these ores, making them more receptive to the collector agents used in flotation. This significantly improves the efficiency of separating valuable minerals from gangue (waste rock), increasing the recovery rate of precious metals. Mining companies rely on our sodium sulfide to optimize their ore - processing operations and maximize their profits.
In the leather industry, our sodium sulfide is used in the unhairing process. It helps dissolve the proteins in hair and epidermis of animal hides, making it easier to remove the hair. This is a critical step in leather production as it prepares the hide for further processing. By using our high - quality sodium sulfide, leather manufacturers can produce leather with a smoother surface and better texture, meeting the high standards of the global leather market.
Specifications
| Product Name | Sodium Sulfide | |||||||||
| Chemical Formula | Na2S | |||||||||
| Molecular Weight | 78.04 g/mol | |||||||||
| Appearance | Pale Yellow Flake | |||||||||
| Melting Point | 1180℃ | |||||||||
| Density | 1.86 g/cm³ | |||||||||
| CAS NO | 1313 - 82 - 2 | |||||||||
| HS Code | 28301010 | |||||||||
| EINECS NO | 215 - 211 - 5 | |||||||||
| Application | Used in the pulp and paper industry, leather processing, and the production of dyes and chemicals | |||||||||
Quality Control Sheet
| Product Name | Sodium Sulfide | ||||||
| ITEM | STANDARD VALUE(%) | TEST VALUE(%) | |||||
| Sodium sulphide (Na2S) ≥ | 60.0 | 60.85 | |||||
| Iron (Fe) ≤ | 0.0015 | 0.0009 | |||||
| Sodium carbonate (NaCO3) ≤ | 3.5 | 1.68 | |||||
| Sodium sulphite (Na2SO3) ≤ | 1.0 | 0.31 | |||||
| Sodium thiosulphate (Na2S2O3)≤ | 2.5 | 1.18 | |||||
| Water insoluble matter ≤ | 0.15 | 0.12 | |||||
In summary
Our Global - Premier Sodium Sulfide is packaged in high - quality, air - tight containers to prevent oxidation and ensure its stability during storage and transportation. Each batch undergoes rigorous quality control measures, including purity testing, chemical analysis, and performance evaluations. Whether you're a paper mill in North America, a textile factory in Asia, a mining company in Australia, or a leather tannery in Europe, our sodium sulfide is the reliable and versatile solution you need. It offers unbeatable performance, guaranteeing that it meets and exceeds your specific industry requirements.








