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UV Sensitive Beads (Assorted Colors, 150 Beads)
Product Code: UVB1
UV sensitive beads are pony beads that are white in normal light, but they change color when exposed to ultraviolet light. That is why they are also known as UV detector beads or solar beads. When exposed to UV light, the beads change from white to vibrant colors such as blue, purple, red, pink and yellow. Beads will maintain their color for a while even after they are back to normal light. UV sensitive beads may be used to identify UV presence, the strength of UV light and to test UV filters and UV creams.