REPAIRLUX® Touch-up Pen, black
Product number:
403036-169
Product information "REPAIRLUX® Touch-up Pen, black"
With the REPAIRLUX® touch-up pen for dark natural and artificial stone, you can colour damaged areas prior to sanding, and you can avoid the white haze caused by sanding and polishing agents. The black retains its colour when diluted and does not turn purple, as is the case with conventional coloured pencils, which are often used as an emergency solution.
https://www.heinrich-koenig.de/media/6e/45/e7/1721203731/SDB_403036_REPAIRLUX_Retouching_Pen_V1.23_EN.pdf
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