Bermocoll E 451 FQ Ethyl hydroxyethyl cellulose Akzo Nobel Rheology Modifier/ Thickener >> Cellulosic, non associative >> Hydroxyethyl cellulose (HEC) Coatings >> Powder Coatings Coatings >> Waterborne BERMOCOLL E 451 FQ is a non-ionic, water soluble cellulose ether. It improves the consistency, the stability, and the water retention of water based products. Specifications BERMOCOLL E 451 FQ is a range of medium to high viscosity grades of ethyl hydroxy ethyl cellulose. Physical data Appearance Particle size Water content Salt content whitish powder 98 % < 425 µm max 4 % max 5 % Characteristics of aqueous solutions pH (1 % solution) Surface activity Viscosity at 20°C (Brookfield LV) 1 % Solution neutral weak 3,000 ± 600 mPa.s Applications BERMOCOLL E 451 FQ is used in latex paints for thickening and stabilizing effects. Normal dosage in paints is 0.2 - 0.5 % calculated on the total paint weight. BERMOCOLL E 451 FQ is used in cement-based tile fix and joint mortars for improvement of workability, consistency, water retention and adhesion. Normal dosage is 0.2 - 0.7 % calculated on the dry mortar weight. BERMOCOLL E 451 FQ is easily dispersed in cold water of pH7 or less. BERMOCOLL E 451 FQ can form lumps when added to an alkaline liquid. To avoid this, it should be added as a ready stock solution, as a slurry in slight acid water or in an organic solvent, or as a dry mix with other powder materials. The dissolving time after dispersion is influenced by the water pH. Alkaline additives can be used to speed up the dissolving process. Improves the consistency, the stability, and the water retention of water based products. Nonionic range of medium to high viscosity grades of ethyl hydroxyethyl cellulose. Weak surface activity. Can be used in latex paints for thickening and stabilizing effects. Normal dosage in paints is 0.2 - 0.5 % calculated on the total paint weight. Easily dispersed in cold water of pH7 or less. Can form lumps when added to an alkaline liquid. To avoid this, it should be added as a ready stock solution, as a slurry in slight acid water or in an organic solvent, or as a dry mix with other powder materials. The dissolving time after dispersion is influenced by the water pH. Alkaline additives can be used to speed up the dissolving process.