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(PAC) Polyanionic Cellulose
PAC meets the enterprise standard Q/73831948-0.1-2005
* It has high power for controlling water loss, and PAC is an especially high effective filtrate volume controller* Good and tough mud cake will be formed.
* Having strong salt- and temperature-resistant properties, especially with PAC.
* As a good non-Newtonian fluid, it will effectively control the mud’s rheological property.
Properties | Specifications | ||
Type H | Type HV | ||
Degree of substitutionD.S. ≥ | 0.9 | 0.9 | |
pH value | 68 | 68 | |
Moisture, % ≤ | 10 | 10 | |
Amount above screen40 mesh, % ≤ | 5 | 5 | |
Yield in distilled water, m3/t ≥ | 400 |
| |
Yield in 40g/l salt water, m3/t ≥ | 230 |
| |
Yield in saturated salt water, m3/t ≥ | 280 |
| |
Water loss | At 5.7g/L of PAC concentration,mL ≤ |
| 20.0 |
At 8.6g/L of PAC concentration,mL ≤ |
| 15.0 | |
At 11.4g/L of PAC concentration,mL ≤ |
| 10.0 | |
YP values | At 5.7g/L of PAC concentration,Pa ≥ |
| 2.4 |
At 8.6g/L of PAC concentration,Pa ≥ |
| 9.6 | |
At 11.4g/L of PAC concentration,Pa ≥ |
| 19.2 | |
Properties | Specifications | ||
Type L | Type LV | ||
Degree of substitutionD.S. ≥ | 0.9 | 0.9 | |
pH value | 68 | 68 | |
Moisture, % ≤ | 10 | 10 | |
Amount above screen40 mesh, % ≤ | 5 | 5 | |
Additionat 10.0 mL of water loss | 40g/l salt water,g/L ≤ | 5 |
|
Saturated salt water,g/L ≤ | 8 |
| |
Apparent viscosityat 10.0 mL of water loss | 40g/l salt water,g/L ≤ | 4 |
|
Saturated salt water,g/L ≤ | 6 |
| |
Water loss | At 5.7g/L of PAC concentration,mL ≤ |
| 25.0 |
At 8.6 g/L of PAC concentration,mL ≤ |
| 15.0 | |
At 11.4 g/L of PAC concentration,mL ≤ |
| 10.0 | |
YP value | At 5.7g/L of PAC concentration,mL ≤ |
| 0.5 |
At 8.6 g/L of PAC concentration,mL ≤ |
| 1.0 | |
At 11.4 g/L of PAC concentration,mL ≤ |
| 1.5 | |
(PAC) Polyanionic Cellulose