Could it be of help to specify a little bit?
Do you think to have the foil not covered on 1 side
or is that wrong? In general it doesn't seem appropriate to not cover both sides of the foil. The foils's resistence is not strong enough. On the other hand the foil is not transparent in i'ts...
Thermal toughening is much more widely used than chemical tougheneing. Thermal toughening is quicker and cheaper.
Thermal toughening is better for thin glasses, that can't be toughened thermaly. Please give a reply if you need further Information.
