Customization: | Available |
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CAS No.: | 9004-32-4 |
Certification: | CE |
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Polyanionic cellulose(PAC)is a water-soluble cellulose ether derivative prepared from natural cellulose by chemical modification. 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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