Ashland Benecel HPMC 2208K K15M Hydroxyethyl Cellulose

Features Of Ashland Benecel HPMC 2208K Hydroxyethyl Cellulose

1. Direct Compression Adaptation - Optimized particle morphology, excellent powder flow, direct tableting to reduce processes

2. Precise Sustained-Release Regulation - High-viscosity hydrophilic matrix feature, precisely regulating drug release rate for long-acting delivery

3. Strong Binding Enhancement - Excellent binding performance, improving tablet hardness and molding stability, ensuring content uniformity

4. Low Nitrite Advantage - Nitrite content below 200ppb, reducing potential impurity formation risk

Typical Applications Of Ashland Benecel HPMC 2208K Hydroxyethyl Cellulose

1. Direct Compression Tablet Preparation - Used for various oral direct compression tablets to improve tableting efficiency and product stability

2. Controlled-Release Matrix Formulations - Used as hydrophilic matrix material to prepare long-acting controlled-release tablets and granules

3. Tablet Binding & Granulation - Used as binder in tablet granulation process to ensure particle formation and flowability

4. Pharmaceutical Film Coating - Used as formulation film coating material to improve appearance and protection performance

Specifications Of Ashland Benecel HPMC 2208K Hydroxyethyl Cellulose

Ashland Benecel HPMC 2208K K15M Hydroxyethyl Cellulose – Frequently Asked Questions (FAQ)

Q1: What is the primary functional role of Benecel HPMC 2208K K15M in formulations?

A: Benecel HPMC 2208K K15M functions primarily as a water-soluble thickener and rheology modifier, providing pseudoplastic flow behavior, improved suspension stability, and enhanced film-forming capability in aqueous systems.

Q2: How does this grade differ from other Benecel HPMC products?

A: The 2208K K15M designation indicates a specific combination of hydroxypropyl methylcellulose (HPMC) substitution pattern and viscosity profile—optimized for balanced solubility, thermal gelation onset, and shear-thinning performance in demanding industrial applications such as construction mortars and pharmaceutical suspensions.

Q3: Is Benecel HPMC 2208K K15M compatible with common electrolytes and surfactants?

A: Yes, it demonstrates good compatibility with many anionic and nonionic surfactants, as well as moderate tolerance to common inorganic salts—though high concentrations of multivalent ions may reduce viscosity and require formulation adjustment.

Q4: What are typical handling and dissolution considerations for this grade?

A: To ensure optimal dispersion and avoid clumping, gradual addition under high-shear mixing into cold water is recommended. Pre-dispersing in a water-miscible liquid (e.g., glycerin or propylene glycol) prior to aqueous incorporation can further improve hydration efficiency.

Q5: Can Benecel HPMC 2208K K15M be used in applications requiring thermal reversibility?

A: Yes—like most HPMC grades, it exhibits thermoreversible gelation: solutions thicken upon heating and regain fluidity upon cooling, making it suitable for controlled-release systems and temperature-sensitive processing environments.