Security Welded blister packs

The two blister halves are usually joined by high frequency welding machine. High frequency welding is a method of welding 2 thermoplastic parts, in which the surfaces to be joined are heated by contact with electrodes of a high frequency electrical generator. The results joint can only be broken with a knife or a scissors.Hence,HF welded blister packs are perfect for heavy products and items attractive to shoplifters.