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IR2PenSm: IR Invisible Ink Writing Pen Type 2 - 885nm Peak

IR Ink 2 Properties

Ink Color Invisible on white paper.  Faint blue on pen tip.
Stimulation (absorption) frequency 824 nm
Emission frequency 885 nm
Ink Solvent Alcohol (Ethanol)

 Using our FG490 Forensic glasses will help you visualize the IR2 ink.