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Jochum Beetsma

Drs. Jochum Beetsma graduated in physical chemistry from the University of Groningen. He worked at PPG on the development of Industrial Coatings and at DSM Coating Resins on Emulsion Systems, Powder Coatings, High Solids, Additives and complete formulations. Since 2004 Jochum is independent consultant for companies in coating and ink industry. He is member of the SpecialChem Expert Team. Jochum writes technical articles on coatings for UL Prospector.
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Recent Posts

Sedimentation Stability: The Importance of Yield Stress and Storage Modulus

By Jochum Beetsma 11. April 2019

Sedimentation of solid particles in liquid materials, like paints and inks, is caused by gravitational force pulling particles of high density down. In the worst case, sedimentation can result in settling, the formation of a hard layer of solid material on the bottom of the can. How to avoid this?

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Temaer: Stability, Dispersion, Coatings, adhesives/sealants