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Moisture-resistant paper and linerboard is fully recyclable

Cortec® Corp. has developed high-gloss EcoShield® Super Barrier Paper and Linerboard for use in packaging. Both rely on a water-based moisture barrier coating for moisture resistance. The technology makes the paper fully recyclable and repulpable without removing the coating from the paper.

In testing, the paper and linerboard showed a water vapor transfer rate of 0.32 to 0.37 g per hour on a square meter of paper. Though it is not intended for applications involving constant water contact, the shiny side of the paper and linerboard can repel water. Its TAPPI T-441 Cobb Water Absorption rate is less than 0.3 g of water per square meter in 2 min. It also offers high resistance to oil and grease.