11、日光（太阳光）变色特种油墨：原本无色在太阳光或长波紫外光的照射下呈现可见光（400—800nm），撤离光源后能还原为无色的油墨，颜色有紫红、蓝、黄。It?is?colorless?and?glows?visible?light?(400-800nm)?exposed?to?sunlight?and?long?wave?ultraviolet?light?and?restores?colorless?after?evacuating?the?light?source.?Its?color?includes?purple-red,?blue?and?yellow.
联系我时，请说是在汝州食品供求网看到的，谢谢！
