As more and more countries and cities banned the single-use plastics, the coated paper and paperboard is getting considered as the replacement because of its well barrier performance and friendly to environmental.
Labthink VAC series gas permeability testers has wide range of 0.05~50,000 cm3/m2?24h?0.1MPa, which can be suitable for low, middle and high barrier materials. The method used is differential pressure methods, based on ASTM D1434.