METHOCEL™ K200M Premium is a very high molecular weight hydroxypropyl methylcellulose (HPMC) thickener. It will yield a viscosity of 200,000 cP at 2% in water.
METHOCEL™ K200M Premium is an HPMC thickener with moderate hydroxypropyl substitution.
It is commonly used as a thickener, binder, and suspension aid in applications including adhesives and coatings.
Solutions containing METHOCEL™ K200M are highly thixotropic and thus have good lubricity and are easy to spread.
METHOCEL™ K200M has excellent pH stability in both acidic and alkaline systems allowing formulators more flexibility when modifying rheology.
In addition, METHOCEL K200M in solution will reversibly gel at temperatures above 90°C.
This provides a boost to green strength in ceramics and to adhesives that are heat cured.
Due to it's high molecular weight METHOCEL™ K200M Premium is a cost efficient thickener for latex paints.
Very small amounts of METHOCEL™ K200M can be used to precisely control the viscosity of water based architectural coatings and improve film durability, flow, leveling, and spread.
Viscosity: 150,000 - 280,000
Hydroxypropoxyl: 70 - 12.0
Methoxyl: 19.0 - 24.0
Particle size through 100 mesh: Min 90%
Primary Chemistry: Hydroxypropyl Methylcellulose (HPMC)
Water soluble
No ionic charge
pH stable (2-13)
Thermal gelation
Gels goes back into solution upon cooling
Sag and creep of water based formulations
Undesired gelation of HPMC thickened formulations
Unstable viscosity of highly acidic or alkali cleaning products
Adhesives
Coatings
Agriculture
Inks
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