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6744 Invisible Ink for Marking on Paper - Gallon. Need to mark product with an invisible mark? Invisible ink is the safe and easy answer! Stamp paper tickets with 6744 invisible ink so that they cannot be easily duplicated.

  • 6744 invisible ink dries instantly
  • Does not leave a shadow
  • Use on porous surfaces like paper tickets, cardboard packaging or other porous surfaces
  • Use UV flashlight to detect invisible ink mark
  • Shows up as Blue under Ultra Violet light
  • Apply invisible ink with rubber stamp and ink pad
  • Need to mark hands for admission to an event? Use 6330 Invisible ink which is safe for marking on skin. 6330 is stocked in pints and 4 oz bottles
  • 6744 Invisible Ink in the Gallon size is NOT a stock item. Please allow a few extra days for shipping
  • 6744 ink available in smaller containers, however mfr requires minimum purchase for drop-shipments
  • UPS Ground shipping only!
  • Item # 6744 Invisible Ink Gallon FI06744VG1

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