China CMC Poly Anioniccellulose PAC, Find details about China CMC, Carboxymethyl from CMC Poly Anioniccellulose PAC
Index | Technique Requirements | |||
HV-CMC | LV-CMC | MV-CMC | ||
Physical Form | White or yellowish free flowing powder | |||
Moisture (% ) | 10 max | 10 max | 10 max | |
Purity (% ) | 95 min | 80 min | 85 min | |
Degree of Substitute | 0.80 | 0.80 | 0.65 | |
PH value | 6.5-8.0 | 7.0-9.0 | 7.0-9.0 | |
Apparent viscosity | in distilled water | 30 cps min | 90cps max |
|
in 4% salt water | 30cps min | |||
in saturated water | 30cps min | |||
Filtration loss(cm3) | 10 max | 10 max |
| |
Usage:
Oil drilling grade CMC used in fracturing fluid, drilling fluid and well cementing fluid as fluid loss controller and tackifier. It can protect the shaft wall and prevent mud loss thus enhance recovery efficiency. It has the following characteristics:
- Excellent water retention even at low concentration.
- Excellent thickening effect.
- Good resistance to salt and temperature change.
- Imparts excellent rheological property.