Page 63 - QRedition5.0 062021

Quality Requirements Edition 5.0 European Enamel Association

7.17.4 Remarks

A. The surface must be easy to write on with dry-erasable, water-soluble or permanent felt markers.
Writing with dry erasable felt markers should be easy to wipe off with a felt eraser or a cotton cloth.
Water-erasable writings should be easy to wipe off with water. Permanent felt-marker writing should be easy to remove with alcohol or any other solvent.

B. The whiteboard must have a surface hardness of min. 5 according to the scale of Mohs.

This requirement must at least be checked when taking into production a significantly different enamel recipe.

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