Bermocoll® EHM 200 is an associative non-ionic, water-soluble cellulose ether that improves the rheological properties of water based paints.
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Bermocoll EHM 200 (Cellulose ethers)
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Bermocoll EHM 200 (Cellulose ethers)
ProductBrand
Bermocoll®
ProductChemicalFamily
Cellulose ether
Regional availability
Global
ProductChemicalsName
Ethyl hydroxyethyl cellulose
ProductApplications
Bermocoll® EHM 200 is used as a thickener in all types of latex paints, intended for interior as well as for exterior use. Bermocoll® EHM 200 improves high shear viscosity, roller spatter, flow and levelling. Bermocoll® EHM 200 has a high resistance to enzymatic degradation. Normal dosage is 0.3 - 0.5 % calculated on the total paint weight. In order to facilitate dispersion in water, Bermocoll® EHM 200 has been treated to give a pH-dependent dissolving.It should be added to neutral or slightly acid water. To speed up the dissolving process, pH should be increased to above 8 by using alkaline ingredients such as ammonia or alkaline pigment dispersants.If adjustment of the final paint viscosity is necessary, a highly concentrated slurry either in water or in an organic solvent should be used. It is not recommended to add the product as a dry powder after pigment grinding. Under the alkaline pH conditions at that stage Bermocoll® EHM 200 will dissolve too rapidly with the risk of lump formation.
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