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Screen printing UV invisible ink Colorless to Red

- buy+screen+Printing - Look 52

Instruction Uv Invisible Ink is a security printing ink.It is only visiable under the UV light.(Wave lenght:300nm-400nm) Printing Method:Screen printing,Offset printing,Gravure printing,Letterpress printing.   Screen printing Anti-counterfeiting invis…

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Screen Printing UV Invisible Ink Colorless to Red

- buy+screen+Printing - Look 51

UV fluorescent ink is the most mature security inks in current market, to be made by adding the corresponding visible fluorescent compounds in …