lightfastness
Sign in to saveAlso known as lightfast, fastness to light, light fastness
thumb|Clay earth pigments such as [[burnt sienna often have a high lightfastness]]
~9 min read
Encyclopedic overview
12 sectionsContents
- Chemical processes
- Photolysis
- Photo-oxidation
- Photoreduction
- Photosensitization
- Phototendering
- Standards and measure scales
- Test procedure
- In graphical industry
- See also
- References
- External links
thumb|Clay earth pigments such as [[burnt sienna often have a high lightfastness]]
Lightfastness is a property of a colourant such as dye or pigment that describes its resistance to fading when exposed to light. Dyes and pigments are used for example for dyeing of fabrics, plastics or other materials and manufacturing paints or printing inks.
Excerpted from Wikipedia’s “lightfastness” article, available under the CC BY-SA 4.0 licence.