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Evonik Develops Defoamer Concentrates with High Bio-renewable Content

Developed for printing inks and varnishes and are highly suitable for food contact applications.

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By: DAVID SAVASTANO

Editor, Ink World Magazine

Modern defoamers need to do more than just avoid foam: They need to be sustainable and safe to use as well. Two new defoamer concentrates of Evonik meet these requirements: TEGO Foamex 8820 and 8850 provide a bio-renewable content of more than 55%. Both products have been developed for waterborne printing inks and varnishes. Especially in the packaging industry, consumer and food safety are of crucial importance. For that reason, the Coating Additives business line has launched these oil-based ...

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