Calcium Hypochlorite 65% / 70% (Sodium Process Granular)
Sodium-process granular Calcium Hypochlorite (65%/70% available chlorine) with low water insolubles (<2%) for denim garment chlorine washing, WTP disinfection, and ETP oxidation.
Typical Certificate of Analysis (COA) — Calcium Hypochlorite 65% / 70% (Sodium Process Granular)
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 |
|---|---|---|---|
| Effective Chlorine Content | ≥ 65.0% / ≥ 70.0% | 70.8% | GB/T 10666-2019 |
| Moisture Content | 4.0% – 10.0% | 6.5% | GB/T 10666-2019 |
| Granular Size (14–50 Mesh) | ≥ 90.0% | 93.5% | GB/T 10666-2019 |
| Water Insoluble Matter (Sodium Process) | ≤ 2.5% | 1.4% | GB/T 10666-2019 |
Industrial Applications in Bangladesh
Bangladesh Market Context: Heavily consumed by Bangladesh denim washing plants for vintage bleach-down effects and by industrial water treatment systems for bacterial/algae disinfection.
- Controlled chlorine bleach-down and vintage fade washing of indigo denim jeans
- Potable water disinfection, cooling tower biocide treatment, and ETP final effluent chlorination
- Sanitization of food/beverage processing surfaces and hospital/institutional hygiene
Import & L/C Indenting Parameters
- Standard Export Packaging
- 40kg / 45kg / 50kg UN-Approved Plastic Drums
- 20ft FCL Container Payload
- 21.6 MT (480 × 45kg Drums per 20ft DG FCL)
- Chinese Production Hub
- Hubei / Shandong / Henan, China
- Bangladesh Customs & Regulatory Note
- Classified under Bangladesh Customs HS Code 2828.10.00; shipped in UN-certified 45kg plastic drums with DG manifest.
- Trade Synonyms
- Bleaching Powder 70% • HTH Granular • Chlorine Granules • Denim Chlorine Bleach
Other ETP & Water Treatment Chemicals Sourced from China
PAC (Poly Aluminium Chloride) 28%–30% Spray-Dried
Spray-dried 30% Al2O3 Poly Aluminium Chloride (PAC) with high basicity (70%–90%) and <0.3% water insolubles for rapid coagulation of textile dyeing effluent and industrial water clarification.
Textile ETP Decolorizing Agent (CW-08 / Dicyandiamide Resin 50%)
High-cationic quaternary ammonium dicyandiamide polymer engineered specifically to break chromophores and precipitate water-soluble reactive, acid, and disperse dyes in Bangladesh textile ETPs.
PAM (Polyacrylamide — Anionic APAM & Cationic CPAM Flocculant)
Ultra-high molecular weight Anionic PAM (12–22M Da for rapid ETP clarifier floc settling) and Cationic PAM (20%–60% ionicity for screw-press and belt-press sludge dewatering).