Why switchable film break when laminating with glass and eva interlayer film?

Why switchable film break when laminating with glass and eva interlayer film?
http://www.slideshare.net/veriwin/why-switchable-film-break-when-laminating-w…
Why switchable film break when laminating with glass and eva interlayer film?

Published by cnc@cncGlass.com EVA film glass interlayer

cnc@cncGlass.com EVA film glass interlayer