METHOCEL™ A4C is a medium molecular weight methylcellulose thickener. It yields a viscosity of 400 cP at 2% in water and is used to modify the rheology of coatings and adhesives.
METHOCEL™ A4C is a water-soluble, high purity, non-ionic cellulose ether, and performs as thickener, binder, and film former. METHOCEL™ A4C is thixotropic and provides precise modification of viscosity and rheology in water based formulations. METHOCEL™ A4C reversibly gels at temperatures above 55°C. Due to this it is an excellent at binding and improving green strength of ceramics prior to firing. Additionally, METHOCEL™ A4C has outstanding stability in both extremely acidic and alkaline systems.
Methoxyl: 27.5 - 31.50%
Sodium Chloride: max 2.0%
Viscosity, 2% in water, @20°C, calculated: 350 - 550 cP
Primary Chemistry: Methylcellulose (MC)
Yields optimum performance at a lower concentration
Can be added directly to aqueous systems
Non-ionic
pH stable
Reversible thermal gelation
Excellent film former
Superior binder in high solid applications
High lubricity performance
Excellent pH stability (2-13)
Newtonian rheology of water based formulations
Sag and creep of water based formulations
Unstable viscosity of acidic and alkaline formulations
Defects in ceramics due to low green strength
Methocel™ A4C is used in agriculture products, cleaners, lubricants, paints, and coatings applications. Learn more about METHOCEL™ A4C applications and functionality on our Cellulosics dedicated website. Click Here!
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