Our glass board marker inks in the Dokumental® GB 79xx series are liquid chalks. They can be easily wiped off dry from many smooth surfaces, preferably glass, whiteboards, and smooth blackboards. What makes these water-based, highly pigmented inks special is that they are suitable for use with fibre-reservoir markers. Writing with these inks on presentation boards therefore does not require a pump system with a valve action marker, as it is necessary with conventional inks for this purpose.
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