Transparent barrier films prevent permeation of gases including water vapor and oxygen. “GL FILM” delivers superior barrier performance attained through a combination of vapor deposition and coating technologies.
GL FILM boasts the world's largest share in the transparent vapor deposition film market and is sold worldwide, mainly for packaging material applications.
In addition，our new product, “PRIME BARRIER ®”, features both unprecedented superb functionality and outstanding barrier performance. lt is utilized in a wide variety of applications including materials for medical and pharmaceutical packaging and functional components of electronic devices.
The purpose of gas barrier performance is to prevent the content inside from changing and degrading in quality due to the water and oxygen entering or leaving.
Films featuring such gas barrier performance are called barrier films.
Transparent vapor deposition films are functional films coated with inorganic film on the surface through vapor deposition processing.
Toppan's transparent vapor deposition films, GL FILM and PRIME BARRIER ®, have an inorganic vapor deposition barrier layer (alumina, silicon oxide, etc.) and coating barrier layer on the substrate film (PET, nylon, etc.) (Refer to the schematic below). The multiple layer structure exhibits superb functionality combining Toppan's original coating layer and high-quality vapor deposition layer. This structure enables stable barrier performance and facilitates backend processes including printing and lamination.
Departure from aluminum foil usage to reduce packaging volume Replacing aluminum foil with GL FILM can reduce packaging weight and volume while maintaining barrier performance.
Certain films other than transparent vapor deposition films are also categorized as barrier films: barrier resin film (EVOH，PVA，Barrier Ny)，barrier resin coat film (PVDC) and other non transparent types including aluminum foil and aluminum vapor deposition film.
Transparent vapor deposition films feature both high barrier performance and transparency.
Toppan has a lineup of various transparent vapor deposition products for different applications.
We can respond to diverse market needs with different performance requirements.
Electronics packaging materials