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METHOCEL™ K4M Premium

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METHOCEL™ K4M Premium is a high-viscosity, high-purity hydroxypropyl methylcellulose (HPMC) thickener for demanding industrial applications.

  • Product Line: METHOCEL™
  • Industries:
  • Authorized Countries: United States

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Product Overview

METHOCEL™ K4M Premium is a refined, water-soluble cellulose ether designed for use in water-based systems requiring robust thickening and binding performance. This grade of hydroxypropyl methylcellulose (HPMC) delivers a viscosity of approximately 4,000 cPs at 2% concentration in water, making it ideal for applications where high viscosity and formulation stability are critical. 

Produced with reduced impurity levels compared to standard grades, METHOCEL™ K4M Premium is well suited for regulated applications. It exhibits thixotropic behavior, excellent film-forming properties, and thermal gelation, making it a versatile choice for coatings, ceramics, and cleaning formulations. 

Applications

Ceramics: Enhances green strength and reduces cracking in extruded or molded parts 
Coatings & Inks: Provides sag resistance and viscosity control for vertical and overhead applications 
Cleaners & Detergents: Stabilizes formulations across a wide pH range and improves shelf life 

Features & Benefits

Cold water dispersible 
Nonionic and highly pure 
Stable across pH 2–13 
Reversible thermal gelation 
Excellent binding and film-forming properties 
Enhances rheology and spreadability 
Improves formulation stability 

Product Specifications

Viscosity (2% in water @ 20°C): 3,500–5,600 cPs 
Methoxyl content: 19.0–24.0% 
Hydroxypropoxyl content: 7.0–12.0% 
Loss on drying: ≤5.0% 
Residue on ignition: ≤1.5% 
Sulfated ash: ≤1.5% 

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