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METHOCEL™ F4M Premium
METHOCEL™ F4M Premium is a medium molecular weight hydroxypropyl methylcellulose (HPMC) thickener. It yields a viscosity of approximately 4,000 cPs at 2% in water and is designed for applications requiring high-purity additives.
METHOCEL™ F4M Premium is a water-soluble HPMC polymer with low hydroxypropyl and high methoxy content. It is derived from cellulose and used as a thickener, binder, and suspension aid in applications that require high chemical purity, such as in the medical and electronics industries. METHOCEL™ F4M Premium is thixotropic in nature and provides solutions with excellent lubricity and spreadability properties. This makes it a great additive for coatings and ink applications. Additionally, METHOCEL™ polymers have outstanding pH stability, making them ideal for cleaning applications, where cleaners have improved adhesion and sag resistance on overhead or vertical surfaces. METHOCEL™ F4M Premium will reversibly gel at temperatures above 68°C and provide a boost in green strength for ceramics and adhesives.
Specifications
Viscosity (2% in water at 20°C, cPs): 2,663–4,970 Methoxyl (%): 27.0–30.0 Hydroxypropoxyl (%): 4.0–7.5 Loss on drying (% max): 5.0 Residue on ignition (% max): 1.5 pH (2% in water): 5.0–8.0
U.S. FDA GRAS for high- and improved-purity applications Thermal gelation Stable from pH 2 to 13 Provides thixotropic rheology Moderate solvent compatibility
Problems Solved
Low green strength of extruded ceramics used in electronic applications Unstable viscosity of formulations with very high or low pH Creep of water-based adhesives Sagging of paints and coatings on overhead or vertical surfaces Poor adhesion of cleaners to overhead or vertical surfaces
Applications
Adhesives Coatings Ceramics Cleaners
For more information about METHOCEL™ F4M Premium and its applications and functionality, visit our dedicated website for cellulosics here!
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Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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