METHOCEL™ F4M is a medium molecular weight hydroxypropyl methylcellulose (HPMC) thickener. At addition levels of 2%, it yields a viscosity of 4,000 cP. It is widely used in ceramics processing, coatings, adhesives, and chemical processing.
METHOCEL™ F4M is a water-soluble HPMC polymer with low hydroxypropyl substitution and high methoxy content. Due to it's thixotropic nature METHOCEL™ F4M is an excellent thickener, binder, and suspension aid for applications that require good lubricity and easy spreadability. METHOCEL™ F4M has outstanding pH stability in both extremely acidic and alkaline environments making it an ideal rheology modifier for cleaning products. METHOCEL™ F4M will reversibly gel at temperatures above 68°C and provide a dramatic increase to green strength for ceramic extrusion applications.
Methoxyl: 27.0 - 30.0%
Hydroxypropoxyl: 4.0 - 7.5%
Viscosity, 2% in water @20°C: 3,500 - 5,600 cP
Primary Chemistry: Hydroxypropyl Methylcellulose (HPMC)
Yielding optimum performance at a lower concentration
Can be added directly to aqueous systems
No ionic charge
pH stable (2-13)
Thermal gellation
Gels goes back into solution upon cooling
Unstable viscosity of ceramic slurries
Friction and extrusion pressure of screw extruders used in ceramic extrusion
Defects of screw extruded ceramics parts due to poor green strength
Loss of viscosity at high temperatures
METHOCEL™ F4M can be used in industrial applications such as ceramic, coatings and inks. Learn more about METHOCEL™ F4M applications and functionality on our Cellulosics dedicated website. Click Here!
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