Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Ashland NATROSOL 250B TYPE HEC Waterborne Thickener

Ashland NATROSOL 250B TYPE HEC is a high-purity, hydroxyethyl cellulose waterborne thickener delivering excellent rheology control, viscosity stability, and film-forming performance in latex paints, coatings, and construction mortars. Its low foam, easy dispersion, and shear-thinning behavior ensure smooth application and superior sag resistance across demanding aqueous systems.
  • ashland natrosol 250b type hec waterborne thickener_355d613d
  • ashland natrosol 250b type hec waterborne thickener_355d613d

Features Of Ashland NATROSOL 250B TYPE HEC Waterborne Thickener

  1. Highly efficient rheology modifier delivering excellent low-shear viscosity (LSV) and sag resistance in waterborne systems.

  2. Provides outstanding compatibility with anionic surfactants, co-binders, and common paint additives.

  3. Offers superior film formation and leveling without compromising scrub resistance or gloss retention.

  4. Non-ionic, cellulose-based thickener with excellent biostability and low foaming characteristics.

  5. Easily dispersible in cold water with rapid hydration and consistent viscosity development.

Typical Applications Of Ashland NATROSOL 250B TYPE HEC Waterborne Thickener

  1. Architectural interior and exterior latex paints.

  2. Waterborne industrial maintenance coatings.

  3. Low-VOC and zero-VOC decorative coatings.

  4. Water-based primers and sealers.

  5. Textile printing pastes and construction adhesives.

Specifications Of Ashland NATROSOL 250B TYPE HEC Waterborne Thickener

Chemical TypeHydroxyethyl cellulose (HEC)
Product FormFree-flowing white to off-white powder
AppearanceFree-flowing granular powder
Primary ApplicationsWaterborne architectural and industrial coatings
Key FeaturesNon-ionic, cold-water soluble, high thickening efficiency
BenefitsImproved brush/roll application, anti-sag performance, and storage stability
pH Range (1% aqueous solution)6.0–8.5
Viscosity (1% solution, 25°C, Brookfield RVT, spindle #3, 30 rpm)2,200–2,800 mPa·s


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