Overview of APET Vacuum Forming Machine

The requirement of heat shrinkable plastic film is that it is stable at room temperature, shrinks when heated (above the glass transition temperature), and it is ideal that more than 50% of the heat shrinkage occurs in one direction. The characteristics of heat-shrinkable plastic film packaging are: the body is transparent, reflecting the image of the product; the packaging is tightly bundled, with good anti-scattering properties; rain-proof, moisture-proof, mildew-proof; non-recovery, and has a certain anti-counterfeiting function. Heat shrinkable plastic films are often used in the packaging of convenience food, beverages, electronic appliances, metal products, etc., especially shrink labels are the most important application areas.