Interior wall paints: Carbon fillers herald a new era
The increasing demand for strong shades often presents the painter with a range of problems that have to be solved. These include the opacity, luminosity and repair capability of tinted products and their resistance to wear. In particular, the so-called writing effect, also known as white break, is especially pronounced with dark shades of matt interior wall paints. Even coatings in the wet abrasion classes 1 and 2 soon reach their limits with this problem. Even slight mechanical stressing of the surface, e.g. scratching with the finger nail, produces a point of bright abrasion which appears shiny when illuminated from the side. This phenomenon causes an unwanted visual effect on the wall surface and it is not unusual to receive complaints from the customer.
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