Sir: We are using Glassine Paper 70-80 GSM for hologram lamination using a polyurethane adhesive.
Some times it so happens that the quality of the hologram suffers due to void specks on the hologram due to which the hologram visually is not of good quality. Is this due to Glassine paper surface quality (gloss surface giving good hologram quality) and lesser gloss papers giving poor visual effect to the hologram? Or is it due to the metallized polyester quality?
Your views on this will enable us to get good insight in improving our visual quality of our holograms.
Thanks and regards,
Holographic Security Marking Systems P Limited