Photochromic
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Change color by UV light. We have 6 colors which are Red(#19), Orange(#17), Yellow(#16), Blue(#14), Sky Blue(#13), and Purple(#12). The photochromic materials have many types. OP: Dye. Suitable for g
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Photochromic
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Change color by UV light. We have 6 colors which are Red(#19), Orange(#17), Yellow(#16), Blue(#14), Sky Blue(#13), and Purple(#12). The photochromic materials have many types. OP: Dye. Suitable for g
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