Description:
CMC HV is a high viscosity, high molecular weight dispersible Carboxymethyl
Cellulose fluid loss additive designed to provide viscosity and reduce API filtration
rate to water based drilling fluids.
Application:
It is a cost effective additive used to reduce API filtration rate of many water based
drilling fluids from freshwater to saturate saltwater. It is suited for water-loss and
rheological control in low-solids mud and is a highly efficient viscosifier in all other
mud.
Advantages:
- Widely available and low cost polymer for fluid Loss control.
- It is an effective at providing filtration control in most water based drilling fluids.
- It is effective in low concentrations.
- It is Non–Toxic.
- It is not subjected to bacterial fermentation and calcium contamination.
- Can be used in Most water based Fluid systems.
- Increases viscosity.
Physical Properties:
| Properties | Value |
| Appearance | Off white to creamish free flowing powder |
| Nature of Polymer | Sodium Carboxy Methyl Cellulose |
| Moisture Content | Max. 8% |
| PH of 1% Solution | 8.0 – 11.0 |
| Solubility | Soluble in fresh water |
| Viscometer Dial reading at 600 r/min | |
| a. In Deionized Water | Min. 30 |
| b. In 40 g/ltr salt water | Min. 30 |
| c. In saturated Salt Water | Min. 30 |
| Purity (% on dry basis) | Min. 65.0 % |
| Degree of Substitution | Min. 0.8 |
| Toxicity | Non Toxic |
| Filtrate volume | Max 10.00 Cm3 |
Packaging:
Material is packed in 25kg or 50 Lbs (22.68 Kg) sacks. Private Labeling and
customized packaging is also available on request
Safety And Handling:
Material must be handled as a Industrial chemical, wearing protective equipment
and observing the precautions as mentioned in the MSDS.
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