EXVIS HV
EXVIS HV is a derivative of cellulose that used as a fluid loss controller and viscosifier in water based drilling fluids.
EXVIS HV complies with API specification 13 A / ISO 13500 for CMC.
EXVIS HV additive is used in high-viscosity, high solids or heavily weighted fluids and increase viscosity in addition to controlling fluid loss.
- Provide good viscosity at wide range of mud systems.
- Widely available and an economic source of polymer fluid loss controller.
- Effective in pH-range 6 – 9.
- Non-Toxic.
- Effective even at low concentrations.
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