Poly (PE) Replacement Barrier Coatings and Test Methods

Barrier Coatings

Why Replace Petroleum Based Extrusion Coated Polyethylene? More and more printers and converters are responding to requests for paper and paperboard coatings that can replace petroleum based extrusion coated polyethylene (PE) or Poly Replacement. Alternative barrier coating products that are safe for the environment are in favor due to brand marketers, legislative, political and consumer […]

Moisture and Water Vapor Transmission Rates in Packaging

Water Vapor Transmission

WVTR & MVTR Permeation Many packaged products are sensitive to moisture. Therefore, control of water vapor into or out of the package is critical to the contained product’s quality. The permeability of packaging materials has a direct effect on a packages performance in terms of the contained products shelf-life. This permeation by moisture is measured […]