Polypropylene Pop Quiz
Dru Kefalos, Mobil Chemical, Films Division
Printing and Laminating
Q: What would you suggest to printers who find that corona treating of plain (uncoated) polypropylene is ineffective in improving surface performance?
A: Our experience is that flame treat provides a 44-plus dyne level for printing and laminating with water-based inks and adhesives, as well as PVDC adhesives. There is less dissipation in treatment and dyne level with flame treat than corona treatment, translating into a longer shelf life.
- Places:
- OPP
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