Min. Order Reference FOB Price
1 kg US$120.50-350.50 / kg
Product Description
Bulk Photochromic Pigment, Color Changed by UV or Sunlight The photochromic product changes colors when exposed to sunlight/UV, and reverts to its original color when the sunlight/UV is dimmed or blocked. After absorbing the energy of sunlight/UV, its molecule structure is changed, which causes its ...