Soda Ash Light & Dense 99.2%
Premium Chinese synthetic and natural-trona Sodium Carbonate in Light Grade (reactive dye fixation & detergents) and Dense Grade (float glass, container glass & sodium silicate).
Typical Certificate of Analysis (COA) — Soda Ash Light & Dense 99.2%
Every container indented by Hafsa Sourcing is accompanied by a batch-specific factory Certificate of Analysis (COA) and optional SGS / Bureau Veritas Pre-Shipment Inspection report verifying the parameters below:
| Test Parameter | Export Spec Limit | Typical Batch Value | Test Method |
|---|---|---|---|
| Total Alkali (as Na2CO3 dry basis) | ≥ 99.2% | 99.4% | GB/T 210.2 |
| Chloride (as NaCl) | ≤ 0.70% | 0.35% | GB/T 210.2 |
| Iron (Fe) Content | ≤ 0.004% | 0.002% | GB/T 210.2 |
| Water Insoluble Matter | ≤ 0.03% | 0.015% | GB/T 210.2 |
| Bulk Density | Light: 0.50–0.65 g/ml | Dense: ≥ 0.90 g/ml | 0.58 / 0.98 g/ml | GB/T 210.2 |
Industrial Applications in Bangladesh
Bangladesh Market Context: Soda Ash Light is consumed daily in every cotton reactive dyehouse in Gazipur, Narayanganj, and Savar to fix reactive dyes onto cellulose fibers at pH 10.5–11.0.
- Soda Ash Light: Primary alkali buffer for fixing cotton reactive dyes in exhaust and continuous dyeing
- Soda Ash Dense: Fluxing raw material for float glass, hollow glassware, and sodium silicate plants
- Dry builder and alkalinity booster in detergent powder and laundry bar production
- Process water softening and boiler feed water conditioning
Import & L/C Indenting Parameters
- Standard Export Packaging
- Light: 40kg/50kg PP Bags; Dense: 25kg/50kg/1000kg Jumbo Bags
- 20ft FCL Container Payload
- Light: 21.0–22.0 MT | Dense: 25.0–27.0 MT per 20ft FCL
- Chinese Production Hub
- Shandong / Henan / Qinghai / Jiangsu, China
- Bangladesh Customs & Regulatory Note
- Non-DG fast-track port clearance at Chattogram Port & Kamalapur ICD under HS 2836.20.00.
- Trade Synonyms
- Soda Ash Light • Soda Ash Dense • Disodium Carbonate • Washing Soda
Other Basic Inorganic & Alkalis Sourced from China
Caustic Soda Flakes / Pearls 99%
High-purity 99% membrane-cell Sodium Hydroxide flakes and pearls sourced directly from top Chinese chlor-alkali plants for cotton mercerizing, reactive dyeing, soap manufacturing, and ETP neutralization.
Hydrogen Peroxide 50% (Textile & Industrial Grade)
Anthraquinone-process 50% Hydrogen Peroxide with low heavy-metal trace and ≥97% thermal stability for high-whiteness cotton knit/woven bleaching and pulp processing.
Sodium Sulphate Anhydrous 99% (Glauber's Salt)
Ultra-low hardness (Ca+Mg ≤ 0.10%) vacuum-crystallized Sodium Sulphate Anhydrous from Sichuan and Jiangsu Glauberite mines for streak-free reactive cotton dyeing and detergent powders.