Fading is a complex issue. Each and every material will fade at different rates from exposure to ultraviolet radiation as well as other contributing factors. An example of this is the different color dyes in fabrics. Red and green colors tend to fade faster than other colors.
It is generally accepted that UV radiation can be responsible for roughly 40% of all fading. In addition to ultraviolet radiation, other factors that cause fading include:
-25% of fading is caused by heat
-25% of fading is caused by visible light
-10% of fading is caused by a variety of factors including artificial light, fabric eyes, age of the fabrics and the humidity in your home or office.
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