PET containers are the most frequently used ones in the industry thanks to their resistance, flexibility and its ease of molding. In this case, a QR code + 1 line of text (Macsa’s website) were marked on an oil bottle (PET). The difficulty of this type of marking is to ensure that the coding is visible and readable on the transparent plastic and on a material that can easily become greasy during the production chain process.
The marking visibility is high because the marking obtained is white on the transparent plastic and on the background, which is yellow in this case. With the appropriate power of the laser (30W), a QR code mark is produced which is perfectly readable with any mobile application.