|Newsprint||Hs,dm = 5 Wh/m²|
|Watercolor on paper||Hs,dm = 175 Wh/m²|
|Textiles||Hs,dm = 290 Wh/m²|
|Oil paint on canvas||Hs,dm = 850 Wh/m²|
|Description||Max. illuminance||Limit for annual exposure duration|
|1. Insensitive||The object is made completely of durable materials, i.e. they do not react to light.
Examples: most metals, stone, most glass, real ceramics, enamel, most minerals.
|2. Low light sensitivity||The object is made of durable materials that react easily to light.
Examples: oil and tempera painting, frescoes, undyed leather and wood, horn, bone, ivory, lacquers, certain plastics.
|3. Medium light sensitivity||The object contains volatile materials that are moderately sensitive to light.
Examples: costumes, watercolors, pastel drawings, tapestries, prints and drawings, manuscripts, miniatures, distemper paintings, wallpapers, gouache, dyed leather and most natural history objects, including botanical specimens, furs and feathers.
|4. High light sensitivity||The object contains highly light-sensitive materials.
Examples: silk, newsprint and very volatile dyes.