| Customization: | Available |
|---|---|
| CAS No.: | 9004-32-4 |
| Certification: | ISO |
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Polyanionic cellulose (PAC) is a water-solublecellulose ether derivative prepared from natural cellulose by chemical modification.lt is an important water-soluble cellulose ether, lt is widely used in oil driling, especially salt water wells and offshore oll drilling.
Physical and chemical index
| Item | Index |
| Degree of substitution(D.S)≥ | 0.9 |
| Moisture(%) ≤ | 10 |
| PH value(25) | 5.5-8.5 |
| Item | Index | ||
| HV | LV | SL | |
| Filtration(sample dosage 0.57%),ml≤ | 20 | 25 | 25 |
| Filtration (sample dosage 0.86%),ml≤ | 15 | ||
| Filtration (sample dosage 1.14%),ml≤ | 10 | ||
| Yield strength (sample dosage 0.57%),pa | ≥2.5 | ≤0.5 | |
| Yield strength (sample dosage0.86%) ,pa | ≥9.5 | ||
| Yiled strength (sample dosage 1.14%),pa | ≥19.0 | ||
| Apparent viscosity ,mpa.s | - | - | ≤25 |
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