| 摘要 |
This invention relates to a wiper for boards that can be written on with penand wiped clean when dry. It includes a wiper strip (2), where the wiperstrip (2) has a powder substance at least on the surface with an abrasiveand/or absorbency increasing effect and hardness with a maximum of 5 on Mohs'scale. The invention also relates to a method for manufacturing a wiper strip(2) for a wiper for boards written on in pen that can be wiped when dry,which is based on a substrate of soft material and on at least one side ofthis a powder with a maximum hardness of 5 on Mohs' scale and with anabrasive and/or absorption increasing effect.<IMAGE> |
