Substrate Testing on PaperPackLoghttps://paperpacklog.com/en/tags/substrate-testing/Recent content in Substrate Testing on PaperPackLogPaperPackLoghttps://paperpacklog.com/logo.pnghttps://paperpacklog.com/logo.pngHugoenMon, 12 Oct 2026 06:50:00 +0900Masterpress Paper Pouches: In-House Printing to Pouch-Making, but Substrate Tests Are Not Finished-Pack Approvalhttps://paperpacklog.com/en/posts/masterpress-paper-pouch-substrate-vs-finished-pack-2026/Mon, 12 Oct 2026 06:50:00 +0900https://paperpacklog.com/en/posts/masterpress-paper-pouch-substrate-vs-finished-pack-2026/Separate Masterpress's material-level CEPI and Aticelca findings from recyclability claims for a finished printed and sealed pouch.