Because we need to pack the smart film in stable and safety way with carton box, which will make the package into bulk cargo for shipping cost calculation(Volume weight), so the freight will be higher than charges on actually weight.
Bus Bars are thin, conductive copper strips that are affixed to the end of privacy film and to which the electrical wires are soldered. They allow the electricity to activate the liquid crystal molecules within the film.
Non-adhesive PDLC film is the original material for laminated smart switchable glass.
self-adhesive pdlc film has a peel and stick backing for easy installation, it’s widely used in commercial and residential field like shopping windows, projection screens, electronic blinds, monitoring center or hotels.