1. Basic Product Information
表格
| Item | Details |
|---|---|
| Product Name | Industrial Anhydrous Sodium Sulfate / Anhydrous Glauber Salt |
| Chemical Formula | Na₂SO₄ |
| CAS No. | 7757-82-6 |
| HS Code | 2833110000 |
| Executive Standard | GB/T 6009-2014 Industrial Anhydrous Sodium Sulfate |
| Appearance | White crystalline powder or granule, odorless, slightly bitter salty taste |
| Solubility | Soluble in water, insoluble in ethanol |
| Transport Attribute | Non-hazardous goods, general cargo shipping |
2. Product Purity Grades
Two mainstream export grades for global industrial buyers
- Standard Grade: Na₂SO₄ ≥99.0%
- High Purity Grade (Dye/Glass): Na₂SO₄ ≥99.5%
Key impurity control: Water insoluble matter, chloride, calcium & magnesium, iron strictly limited
3. Standard COA (Certificate of Analysis)
Stamped batch COA provided for each shipment, SGS/BV third-party inspection acceptable
表格
| Test Item | Standard Limit GB/T 6009-2014 | Actual Test Result | Test Method |
|---|---|---|---|
| Sodium Sulfate (Na₂SO₄) | ≥99.00% | 99.42% | Gravimetric Method |
| Water Insoluble Substance | ≤0.05% | 0.015% | Filtration Weighing |
| Chloride (Cl⁻) | ≤0.35% | 0.12% | Titration |
| Calcium & Magnesium (Mg) | ≤0.15% | 0.06% | EDTA Titration |
| Iron (Fe) | ≤0.01% | 0.003% | Colorimetry |
| Moisture | ≤0.20% | 0.08% | Drying Loss |
| Appearance | White uniform crystal powder, no foreign impurities | Qualified | Visual Inspection |
| Test Conclusion | Compliant with GB/T 6009-2014 industrial standard, qualified for bulk export |
4. Main Industrial Applications
4.1 Textile Printing & Dyeing (Core Application)
Dyeing accelerant & levelling agent for cotton, polyester, viscose; promote dye fixation, improve color brightness and uniformity, reduce dye consumption.
4.2 Detergent & Soap Industry
Filler raw material for washing powder, industrial detergent, soap base; reduce production cost and enhance cleaning performance.
4.3 Glass Manufacturing
Flux raw material for soda-lime glass, float glass; eliminate air bubbles and improve glass transparency.
4.4 Paper & Pulp Industry
Filler for paper coating, improve paper smoothness and printing performance.
4.5 Fine Chemical & Other Fields
Raw material for sodium silicate, sodium sulfide synthesis; soil conditioner, battery raw material, laboratory analytical reagent.
5. Packaging & Loading Capacity
- Standard export package: 25kg inner PE bag + outer woven bag
- Bulk jumbo bag: 1000kg for large factory orders
- Loading: 27MT / 20GP full container
6. Storage & Transportation Notes
- Store in dry, cool, ventilated warehouse, seal bags to avoid moisture agglomeration
- Keep separated from strong acid, toxic chemicals and food raw materials
- General cargo, no dangerous goods transport documents required
7. Supplier Advantages
- Complete export documents: Batch COA, Sicherheitsdatenblatt, Commercial Invoice, Packing List, Certificate of Origin
- Powder & granular particle sizes optional, two purity grades available
- Accept pre-shipment third-party inspection
- Stable monthly output, support long-term annual contract orders
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