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TPU FilmContact Us
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Tel: 0086 769 2289 3050
Mobile: 0086 186 7557 2423
E-mail: info@lhtpu.com
Add: Room A2-705 Guangda We gu,Songshan Lake Technology Industry Park,Dongguan 523808 ,Guangdong ,China
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Photochromic PU
1.Color changing principle and Application
The color changing under the sun/ultraviolet light, the photochromic PU will changed back to its original color when it is
lost the sun/ultraviolet light.
Basic 4 colors – purple, red, blue, yellow (colorless to colored) 
4 basic colors changes
Photochromic PU (Light changing PU color)
Before changing color
Encountered weak ultraviolet/sunlight change to light purple
Encountered strong ultraviolet/sunlight change to pink
The depth of color changes depends on the intensity of the ultraviolet/sunlight you take, according to the color match
make you one pair of shoes out of several pairs effect.
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