| Customization: | Available |
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| Appearance: | off-White Powder |
| Specific Gravity: | 1.59 |
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SHARKCMC® H filtration control additive is a technical-grade high-viscosity sodium carboxymethyl cellulose used to reduce filtration in fresh water and seawater mud systems up to 250°F. It is less effective in brines and saltwater and is not generally recommended to be used if the salinity exceed 50,000 ppm. SHARKCMC® H is used in low-viscosity or low-solids fluids and increase viscosity in addition to controlling fluid loss. Subject to bacterial degradation, a biocide should be used to prevent fermentation. SHARKCMC® H treated systems should be pretreated with either sodium bicarbonate or possibly citric acid prior to drilling cement.
| Product Code | SHARK | Product Description | Applications/Functions |
| DFS07-01 | SHARKPAC® L | Low Viscous Polyanionic Cellulose | Filtration control agent for water based mud with minimal viscosity increase up to 300°F |
| DFS07-02 | SHARKPAC® R | High Viscous Polyanionic Cellulose | Filtration control and viscosifier agent for water based mud up to 300°F |
| DFS07-03 | SHARKCMC® L | Low-viscosity, technical grade sodium carboxymethyl cellulose for filtration control | Filtration control agent for water based mud up to 250°F with minimal viscosity increase, salinity tolerant to 50,000ppm |
| DFS07-04 | SHARKCMC® H | High-viscosity, technical grade sodium carboxymethyl cellulose for filtration control and supplemental viscosity | Filtration control and viscosifier agent for water based mud up to 250°F, salinity tolerant to 50,000ppm |
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