Packaging lab testing a seaweed-based barrier coating on paper samples

Seaweed-Based Barrier Coatings for Paper Packaging: What to Check Before Replacing PE Coating

Seaweed-based barrier coatings are emerging as a possible way to improve moisture and oxygen resistance in paper packaging. Buyers should verify barrier data, coating weight, convertibility, food-contact compliance, and recyclability before using them as a PE coating alternative.

June 29, 2026 · PackingMaster