08/06/2019
The producers off the AQUAQUICK products originated from a company called TKF (Twentsche Krijt Fabriek), which was founded in 1957. At that time the most important products were various kinds of chalk, like school board chalks and textile marking chalks.
The well known yellow coating on school board chalk was an invention of Henri de Vries. Another invention was GARBOSOL, a patented textile marking chalk which was easily removable with water. GARBOSOL was sold worldwide.
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