DENCELL-CMC HV is used in drilling applications due to its productivity improving characteristics such as film making and water absorbition. It is a good viscosity stabilizer and water absorber for drilling mud. DENCELL-CMC HV keeps the mud as homogeneous to stabilize the mud viscosity and avoid excessive fluid loss during drilling. With avoidance of fluid loss through pores it reduces the resistance of soil in different characteristics to drilling machine thus enhances the performance.

Chemical Name: Cellulose, carboxymethyl ether, sodium salt

CAS Number: 9004-32-4

Functions: Absorbent, Viscosity Modifier, Viscosity Stabilizer

Labeling Claims: Non-Flammable, Non-Toxic, Starch-free

Synonyms: Cellulose Carboxymethyl Ether Sodium Salt, CMC Sodium salt

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    Identification & Functionality

    CAS No.
    9004-32-4
    EC No.
    618-378-6

    Features & Benefits

    Key Attributes
    • DENCELL-CMC HV is a water soluble polymer which can be used in fresh and salt water based drilling fulids.
    • Enhance performance of drilling mud utilized in drilling.
    • It is an effective at providing filtration control in most water based drilling fluids.
    • Stabilize and increase and improve the fluid rheology including suspension and hole cleaning.
    • Coat and encapsulate cutting and solids in the drilling fluid, thereby inhibiting the swelling and disintegration ofwater sensitive solids.
    • Improve the character and consistency of wallcake, thereby reducing the potential for stuck pipe.

    Applications & Uses

    Markets

    Properties

    Physical Form
    Appearance
    Free Flowing Powder
    Typical Properties
    ValueUnitsTest Method / Conditions
    Brookfield Viscosity (2%)100-500cps
    Moisture Contentmax. 8%
    Active Matter (On Dry Basis)min. 65%
    Bulk Density600 – 800
    Degree of Substitutionmin. 0.85
    Fluid Loss Filtrate Volumemax. 10mLAPI 13A
    pH (1% Solution)8 – 11
    Thermal Stability149 (300)⁰C (⁰F)
    Viscosity (40 g/l salt solution)min. 30.0cPs600 r/min by Fann
    Viscosity (deionized water)min. 30.0cPs600 r/min by Fann
    Viscosity (saturated salt water)min. 30.0cPs600 r/min by Fann

    Packaging & Availability

    Packaging Information

    Nett 25kgs PE laminated kraft bags, on wooden pallets, shrink wrapped and stretch film covered.

    Storage & Handling

    Shelf Life
    2 years
    Storage and Handling
    DENCELL-CMC HV is not classifed as toxic, flammable, hazardous and dangerous in the meaning of transport regulations by IMCO. Shelf life is minimum two years in duly closed packing. Must be stored in a dry place.