WebIf use the sand grinder, the milling time must be shorten as possible,the aim is to disperse the pigment. Apply a white base coat under the photo luminescent layer to improve afterglow. Using 15-50% pigment. Minimum thickness of the layer should be 100 um. In order to achieve maximum afterglow, the thickness of 130-150 um is required. WebDec 20, 2024 · Uv fluorescent ink product introduction. Ultraviolet fluorescent ink is one of the most mature anti – counterfeiting inks in the market, in the ink to add the corresponding visible fluorescent compounds and made. The ink is printed with a fluorescent color that can be excited by ultraviolet light at 365nm (long wave) or 254nm (short wave ...
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WebKshirsagar, A, Jiang, Z, Pickering, S, Xu, J & Ruzyllo, J 2012, Formation of photo-luminescent patterns on paper using nanocrystalline quantum dot ink and mist deposition. in Nanoscale Luminescent Materials 2. 5 edn, ECS Transactions, no. 5, vol. 45, pp. 147-151, 2nd International Symposium on Nanoscale Luminescent Materials - 221st ECS Meeting ... WebDec 20, 2024 · It should be kept airproof if the photoluminescent pigment is not used totally. (3) The afterglow brightness of photoluminescent pigment will diminish if photoluminescent pigment is gritted on the surface of the metal, so it can not touch metal. Using for Luminous Printing Ink: (1) Viscosity of ink should be about 3000-5000 micro-poises. During ... WebThe molecule can start moving faster . 2. It can fall apart : for example, clothes fade in sunlight when their dye molecules break down under light. 3. Molecules of certain … credit card safe harbor