Ashland Natrosol 250M PHARM is a medium-viscosity free-flowing granular pharmaceutical excipient in the hydroxyethyl cellulose series, tailored for scenarios such as pharmaceutical solid preparations, cosmetics, personal care and food. As a light cream to white odorless granule and non-ionic water-soluble polymer, it has excellent medium-viscosity thickening and stabilizing effects
Associative High-Efficiency Thickening - Associative thickening mechanism, high thickening efficiency, a small amount of addition can reach the target viscosity, reducing formula cost
System Stability Enhancement - Improve the mildew resistance of coatings, prevent pigment settlement, enhance the storage stability of adhesives, and extend the shelf life
Sag Resistance and Anti-Splashing - Optimize the rheology of water-based coatings, resist sagging during construction, reduce splashing, and improve coating uniformity and surface quality
Cosolvent Non-Interference - Thickening efficiency is not affected by cosolvents in coatings, suitable for complex formula systems, with stable and reliable performance
Water-Based Architectural Coatings - Thickening of interior/exterior latex paints, anti-sagging and anti-settling, improving construction and storage stability
Industrial Protective Coatings - Rheology control of water-based industrial paints, enhancing coating uniformity and weather resistance, suitable for multiple construction methods
Adhesives and Sealants - Thickening and improving bonding strength, preventing component stratification, ensuring stable product performance
Water-Based Inks - Regulate ink rheology, prevent pigment settlement, and improve printing adaptability and pattern clarity
| Chemical Name | Hydrophobically Modified Hydroxyethyl Cellulose (HMHEC) |
| Chemical Type | Non-ionic water-soluble associative cellulose ether |
| Appearance | White to off-white powder |
| Ionic Type | Non-ionic |
| Solubility | High-efficiency water solubility, easy to disperse and dissolve |
| pH Adaptation Range | 3.5–11 |
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E-mail: wangxingqiang@ericwchem.com
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