valonkestävämpiä
Valonkestävämpiä is a Finnish term that translates to "more lightfast" or "more resistant to light" in English. It is most commonly used in the context of materials that are exposed to light over time, such as pigments, dyes, inks, and coatings. The term indicates that a material will retain its color and integrity better when subjected to sunlight or artificial light compared to a less lightfast alternative.
Lightfastness is a crucial property for many applications. For artists, it means that a painting or print
Materials are typically rated for their lightfastness using various scales, such as the Blue Wool Scale, where