Plain or printed aluminum foils for blister packs are used mostly in the pharmaceutical industry to package tablets and capsules in a manner that they remain protected from ambient contamination.
These are hard aluminum foils where one side is coated with heat seal lacquer and the other side is unprinted or printed to facilitate pharmaceutical blister packaging.
Most common foil thicknesses used in pharmaceutical blister packaging are those of 20µ/25µ/30µ.
The heat seal lacquer is a colorless vinyl resin conforming to the applicable international regulations for pharmaceutical applications.
The HSL is suitable for heat sealing to PVC/PVDC coated PVC films. The range of HSL can vary from 4gsm -8gsm depending on the speed, product and packaging