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IR1PenSm: IR Invisible Ink Writing Pen Type 1 - 840nm Peak

IR Ink Type 1 Properties

Ink Color Invisible on white paper.  Faint green on pen tip.
Stimulation (absorption) frequency 793 nm
Emission frequency 840 nm
Ink Solvent Alcohol (Ethanol)

 Using our FG600 Forensic Glasses will help visualize the IR1 Ink.