Description
With the Gravimetric Method, these units test the water vapour transmission rate (WVTR) of packaging materials, such as plastic film, composite film, co-extrusion film, aluminium-plated film, aluminium foil, infusion bag, sheets, paper, paper board, solar battery panel, cellophane, ceramics and porcelain, and various containers such as bag, pouch, bottle, can, bowl, box, widely used in the industries of food, pharmaceuticals etc.
