Feb 18, 2021
What inflammatory statement could I possibly be adding to this sticker 🤔🤔 #art #artistsoninstagram #flexography #wipart #graphicdesign https://www.instagram.com/p/CLbDL6WlJZM/?igshid=u2lfwho0pl0a
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What inflammatory statement could I possibly be adding to this sticker 🤔🤔 #art #artistsoninstagram #flexography #wipart #graphicdesign https://www.instagram.com/p/CLbDL6WlJZM/?igshid=u2lfwho0pl0a
OPP (oriented polypropylene) bags remain a go-to choice in retail packaging — prized for optical clarity, moisture barrier, and cost efficiency. But getting high-quality print on OPP film requires specific prepress know-how that many buyers overlook. Corona treatment is non-negotiable before printing OPP film — untreated polypropylene has low surface energy (~29 dynes/cm), causing ink to bead up and peel. Proper treatment raises it to 38–42 dynes/cm for reliable adhesion. Flexographic printing with solvent-based or UV inks is standard, though water-based systems are gaining ground as VOC regulations tighten. For brands evaluating OPP packaging partners: ask about corona treatment specs, ink system compatibility, and whether they support recyclable mono-material constructions. These details separate smooth production from delamination headaches.