Fluorescent ink

sornchai

Member
How I control quality when printed fluorescent ink ? I could measure L*a*b* values or density values? Thank you sir
 

DeltaE

Well-known member
In my opinion, this ink will absorb UV light and emit some visible light. So I recommend you to use spectrophotometer with light source with UV light (like xrite eXact - M1). See picture for your infomation!
Regards,
Delta E
 

Attachments

Erik Nikkanen

Well-known member
Yes, density if it is measurable would be the best. But if one has opaque inks, then it becomes a problem.

In the end, the best solution is to have a positive ink feed. This ensures consistency during the run and when calibrated to the specific ink, it will be predictable at the start.
 

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