Hunan Sentai Biotechnology Co., Ltd.
Specification Sheet
CMC-5000 Oil-Drilling PAC & CMC
Ultra-high-viscosity viscosifier
- Chemical name
- Sodium carboxymethyl cellulose
- CAS No.
- 9004-32-4
- HS code
- 3912.31
- Standard
- GB/T 5005
Specification limits
| Parameter | Limit | Conditions |
|---|---|---|
| Viscosity | 5000–6000 mPa·sBrookfield · 1% · 25 °C | Brookfield · 1% · 25 °C |
| Degree of substitution (DS) | ≥ 0.8 | — |
| Purity | ≥ 90 %dry basis | dry basis |
| pH (1 % solution) | 6.5–8.525 °C | 25 °C |
| Moisture / loss on drying | ≤ 10 %105 °C | 105 °C |
| Appearance | White to off-white powder or granules | |
Typical use
- Fresh-water, seawater and saturated-salt drilling fluids
- Completion, workover and coring fluids
- Cementing slurries and fracturing fluids
- Tunnelling, piling and horizontal directional drilling (HDD)
Typical dosage: 1 – 6 kg/m³ (0.1 – 0.6 %) depending on fluid system — typical field range
Packing & logistics
- Packaging:
- 25 kg kraft-composite or PP woven bag with food-grade PE liner · 500 kg / 1 t jumbo bags
- Storage:
- Dry, ventilated warehouse; keep bags closed; avoid humidity and heat
- Shelf life:
- 24 months in original sealed packaging, stored cool and dry (typical — confirm on TDS) TBC
- Documents available:
- COA · TDS · MSDS/SDS · CO · Form A · Form E
Information is given in good faith for guidance; it does not constitute a warranty of fitness for a particular purpose. Users should verify suitability in their own process. Specifications may be revised — always refer to the TDS and COA supplied with the shipment.
Hunan Sentai Biotechnology Co., Ltd. · cmc@xtsentai.com · +86 731 5778 8978 · sentai-cmc.com/specifications/oil-drilling-cmc-5000