


 | |
We have three types of invisible ink
 | Bluish/White under UV - Isopropyl
Alcohol Based |
 | Yellow under longwave UV -
MEK Based *Requires 375nm or lower UV light. Lower works better. |
 | Red under UV - Acetone Based
*Requires 385nm or lower UV light. Lower works better. |
 | UVunVisl - Only visible with a
special UV camera and UV filter. Cannot be seen with a UV light, the
human eye or infrared sources. |
 | IR Invisible Ink - Alcohol Infrared Ink -
Fluoresces in the Infrared Range |
The Isopropyl Alcohol based inks are well suited for:
 | Hand Stamping for Access Control |
 | Writing on paper, cardboard, wood |
 | Porous Surfaces |
The Acetone based inks are well suited for:
 | Permanent marking on plastics |
 | Writing on painted surfaces |
 | Non-Porous, slick surfaces |
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