https://paperpacklog.com/en/tags/pur/Recent content in PUR on PaperPackLoghttps://paperpacklog.com/logo.pnghttps://paperpacklog.com/logo.pngHugoenTue, 28 Apr 2026 12:15:00 +0900https://paperpacklog.com/en/posts/paper-packaging-adhesive-waterproof/Tue, 28 Apr 2026 12:15:00 +0900https://paperpacklog.com/en/posts/paper-packaging-adhesive-waterproof/PVAc emulsion adhesive (locally known as ‘PoriZol’) is the workhorse of Korean paper packaging. But when waterproofing matters, the right choice is a cross-linked PVAc, PUR hot melt, or PUD: explained through the EN 204 grading system.