Name: Ashland Natrosol 250H4BR Hydroxyethyl Cellulose
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Ashland Natrosol 250H4BR Hydroxyethyl Cellulose

High-viscosity, water-soluble polymer providing excellent thickening and rheology control in aqueous systems.
Non-ionic character ensures compatibility with a broad range of electrolytes, surfactants, and pH conditions (pH 2–12).
Offers outstanding suspension stability for insoluble particles and pigments in demanding formulations.
Provides smooth, non-tacky film formation with good adhesion and substrate wetting properties.
Free-flowing, easy-to-disperse powder with low dust generation and consistent batch-to-batch performance.

Typical Applications Of Ashland Natrosol 250H4BR Hydroxyethyl Cellulose

Architectural coatings — interior and exterior paints requiring sag resistance and spatter control.
Construction mortars and tile adhesives — enhancing water retention, workability, and open time.
Personal care formulations — gels, shampoos, and body washes where mildness and clarity are critical.
Pharmaceutical suspensions and topical gels — serving as a GRAS-listed, non-ionic viscosity modifier.
Industrial cleaning products — stabilizing surfactant systems and improving soil suspension.

Chemical Type	Hydroxyethyl cellulose (HEC), non-ionic ether derivative of cellulose
Product Form	Free-flowing white to off-white granular or powdered solid
Appearance	White to creamy-white, odorless, free-flowing powder
Viscosity (1% aqueous solution, 25°C, Brookfield RVT, spindle #3, 20 rpm)	Approx. 25,000–35,000 cP
pH (1% aqueous solution)	6.0–8.5
Solubility	Readily soluble in cold water; forms clear, viscous solutions
Moisture Content (ASTM D280)	≤ 8.0%
Heavy Metals (as Pb)	≤ 20 ppm

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E-mail: wangxingqiang@ericwchem.com
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