Hydroxyethyl Cellulose (HEC)


HEC is used as a filtrate reducer for drilling fluids, which has good filtrate reduction, thickening effect and certain temperature resistance in freshwater drilling fluid, saline drilling fluid, saturated saline drilling fluid and seawater drilling fluid. It can be used in various types of water-based drilling fluid systems, especially suitable for saline drilling fluid and saturated saline drilling fluid.

Product Details

Technical Specification

Appearance White powder
Viscosity(2%水溶液,20℃)/(mPa.s) ≥800
Molar Substitution 1.4~2.4
Moisture Content, % ≤7.0
Water Insolubles ,% ≤2.0
Ash Content, % ≤5.0
PH 6.0~8.5
Pb,% ≤0.001

Package and Storage

They shall be packed in 25kg multi-wall paper sacks. They shall be stored in a shady, dry and ventilated place.


They shall be avoided contact with eyes, skins and clothes, otherwise flush it with water. Handling methods and dangerous data shall be referred to MSDS.

Quick Quote

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