Preiskava je pokazala, da postopek metalizacije, ki sestoji iz dodajanja kovine, kot je npr. aluminij, po postopku naparevanja, ne spremeni osnovnih fizikalnih, tehničnih in kemijskih lastnosti PET folije.
The investigation showed that the metallisation process consisting of the addition of metal, such as aluminium, by a vapour deposition process, does not alter the basic physical, technical and chemical characteristics of PET film.