Name: Ashland Natrosol 250XBR Hydroxyethyl Cellulose
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Ashland Natrosol 250XBR Hydroxyethyl Cellulose

High-viscosity, low-shear-thinning hydroxyethyl cellulose (HEC) offering excellent thickening efficiency in aqueous systems.
Enhanced water retention and film-forming capability for improved performance in cementitious and coating applications.
Excellent compatibility with electrolytes, surfactants, and common industrial additives without significant viscosity loss.
Consistent batch-to-batch rheological performance due to stringent Ashland manufacturing controls and purification.
Non-ionic nature ensures stability across broad pH range (pH 2–12) and minimal sensitivity to metal ions.

Typical Applications Of Ashland Natrosol 250XBR Hydroxyethyl Cellulose

Cement-based tile adhesives and self-leveling underlayments.
Water-based architectural paints and interior wall coatings.
Oilfield drilling fluids and completion fluids requiring viscosity control and fluid loss mitigation.
Pharmaceutical suspensions and topical gels where non-ionic, GRAS-compatible thickeners are required.
Industrial cleaning formulations including heavy-duty liquid detergents and hard-surface cleaners.

Chemical Type	Hydroxyethyl cellulose (HEC)
Product Form	Free-flowing white to off-white powder
Appearance	Odorless, free of visible specks or discoloration
Primary Applications	Thickener, rheology modifier, water retention agent
Key Features	High viscosity grade, electrolyte-tolerant, non-ionic
Benefits	Improved sag resistance, enhanced workability, extended open time
Typical Viscosity (1% in 2% NaCl solution, Brookfield RVT, spindle #3, 20 rpm, 25°C)	18,000–22,000 cP
pH Range (1% aqueous solution)	6.0–8.5

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E-mail: wangxingqiang@ericwchem.com
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