Features Of Ashland Benecel 2208K K200M Hydroxypropyl Methylcellulose
Highly water-soluble, non-ionic cellulose ether with excellent cold-water dispersion and rapid hydration kinetics.
Provides robust viscosity build and outstanding solution stability across a broad pH range (3–11).
Offers superior film-forming capability and enhanced surface adhesion in dry-mix formulations.
Delivers consistent rheological performance with low sensitivity to electrolytes and temperature fluctuations.
Complies with USP/NF, EP, and JP monographs for pharmaceutical and food-grade applications.
Typical Applications Of Ashland Benecel 2208K K200M Hydroxypropyl Methylcellulose
Cement-based tile adhesives and grouts requiring extended open time and sag resistance.
Self-leveling underlayments where high flowability and controlled setting behavior are critical.
Pharmaceutical immediate-release tablets as a binder and matrix former in direct compression.
Water-based architectural coatings for improved brushability, spatter resistance, and film integrity.
Food-grade thickening and stabilizing systems in dairy alternatives and plant-based beverages.
Specifications Of Ashland Benecel 2208K K200M Hydroxypropyl Methylcellulose
| Chemical Type | Hydroxypropyl methylcellulose (HPMC) |
| Product Form | White to off-white free-flowing powder |
| Appearance | Fine, homogeneous granular powder |
| Primary Applications | Construction mortars, pharmaceuticals, food, coatings |
| Key Features | High viscosity grade, cold-water soluble, non-ionic, thermally reversible gelation |
| Benefits | Improved workability, water retention, adhesion, and anti-sag performance |
| Regulatory Compliance | USP/NF, EP, JP, FDA 21 CFR 172.867 & 21 CFR 310.545 |
| Viscosity (2% aqueous solution, 20°C) | Approx. 200,000–240,000 mPa·s (Brookfield RV, spindle #3, 12 rpm) |
Ashland Benecel 2208K K200M Hydroxypropyl Methylcellulose – Frequently Asked Questions (FAQ)
Q1: What is the primary functional role of Benecel 2208K K200M in formulations?
A: Benecel 2208K K200M functions primarily as a water-soluble thickener and rheology modifier, providing viscosity enhancement, suspension stability, and improved film-forming capability in aqueous systems.
Q2: How does the K200M designation relate to its performance profile?
A: The 'K200M' suffix indicates a medium viscosity grade within the Benecel 2208K series, offering balanced solution viscosity and shear-thinning behavior—suitable for applications requiring good pumpability and uniform film deposition without excessive gel strength.
Q3: Is Benecel 2208K K200M compatible with common preservatives and electrolytes used in personal care or pharmaceutical products?
A: Yes, it demonstrates broad compatibility with typical cosmetic preservatives (e.g., parabens, phenoxyethanol) and low-to-moderate concentrations of electrolytes. However, high salt levels may reduce viscosity, so formulation adjustments may be needed for robust performance in ionic environments.
Q4: What are key handling considerations during dissolution and processing?
A: To avoid clumping, it is recommended to disperse Benecel 2208K K200M gradually into cold water under high-shear mixing. Pre-blending with sugars, salts, or other dry ingredients can also aid uniform wetting. Hydration is typically complete within minutes once fully dispersed, with viscosity developing upon heating or extended mixing.
Q5: Can this grade be used in hot-melt or anhydrous systems?
A: No—Benecel 2208K K200M is designed for aqueous-based systems and requires water for hydration and functionality. It is not suitable for non-aqueous or hot-melt applications where water is absent or thermally restricted.
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