ngwaahịa

  • Uv fluorescent pigment for anti-falsification printing

    Uv fluorescent pigmenti maka mgbochi ụgha

    Ihe UV na-acha odo odo n’onwe yaenweghị ntụpọ, ma mgbe ọ nwụsịrị ike nke ọkụ ultraviolet (uv-365nm ma ọ bụ uv-254nm), ọ na-ewepụta ngwa ngwa ma gosipụta mmetụta agba ọkụ doro anya. Mgbe ewepụtakwara ọkụ, ọ na-akwụsị ozugbo wee laghachi na ọnọdụ adịghị ahụ anya mbụ.