oloa

  • Uv fluorescent pigment for anti-falsification printing

    Uv fluorescent pigment mo le teteʻeina i le faʻafoligaina

    UV fluorescent pigment lava iae leai se lanu, ma a maeʻa mitiia le malosiʻaga o le ultraviolet malamalama (uv-365nm poʻo le uv-254nm), e vave ona faʻamatuʻu le malosiaga ma faʻaalia ai le manino o le malamalama fluorescent aafiaga. A o le moli malamalama aveʻesea, e tu vave ma toe foʻi i le uluaʻi le vaʻaia tulaga.