Sodium Formate 95%–97% (Leather Tanning & Dyeing Buffer Grade)
High-purity 95%–97% crystalline Sodium Formate used as a camouflage acid/masking agent in chrome leather tanning and as a pH buffer in textile dyeing and printing.
Typical Certificate of Analysis (COA) — Sodium Formate 95%–97% (Leather Tanning & Dyeing Buffer Grade)
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 |
|---|---|---|---|
| Sodium Formate (HCOONa) Content | ≥ 95.0% / ≥ 97.0% | 97.4% | Titration |
| Moisture (Water Content) | ≤ 0.50% | 0.21% | GB/T 6284 |
| Sodium Hydroxide / Carbonate | ≤ 0.50% | 0.18% | Titration |
| Sodium Chloride (NaCl) | ≤ 0.30% | 0.11% | Argentometric |
Industrial Applications in Bangladesh
Bangladesh Market Context: Essential masking salt in the Savar BSCIC Leather Industrial Estate to accelerate chrome penetration into hides and achieve uniform wet-blue shrinkage temperature (>100°C).
- Camouflage/masking agent and neutralizing salt in chrome tanning processes at Savar tanneries
- Buffering agent for strong mineral and organic acids in textile dyeing and printing baths
- Reducing agent for precious metals and eco-friendly de-icing/drilling fluid additive
Import & L/C Indenting Parameters
- Standard Export Packaging
- 25kg PP Woven Bags with PE Inner Liner (or 1,000kg Jumbo Bags)
- 20ft FCL Container Payload
- 25.0 – 27.0 MT (1,000–1,080 × 25kg Bags per 20ft FCL)
- Chinese Production Hub
- Shandong / Hebei, China
- Bangladesh Customs & Regulatory Note
- Non-DG cargo under Bangladesh Customs HS Code 2915.12.00; primary masking/neutralizing salt for Savar tanneries.
- Trade Synonyms
- Sodium Formate • Formic Acid Sodium Salt • Chrome Tanning Masking Agent
Other Organic Acids, Chelates & Phosphates Sourced from China
Glacial Acetic Acid 99.85% (GAA)
Methanol-carbonylation virgin Glacial Acetic Acid 99.85% with ultra-low iron (<1 ppm) and zero heavy-metal contamination for dyehouse pH buffering and alkali neutralization.
Formic Acid 85% & 90%
High-strength 85% and 90% Formic Acid from Shandong's premier methyl-formate hydrolysis plants for Savar leather tanning/pickling and high-efficiency textile dye neutralization.
Oxalic Acid 99.6% (Refined Industrial Grade)
Free-flowing 99.6% Oxalic Acid Dihydrate crystal for denim potassium permanganate (PP) spray neutralization, iron/rust spot removal on fabrics, and leather bleaching.