Quote Originally Posted by wildbillbugman View Post
... In the case of PVA based emulsions, there is no thickening due to setting of the emulsion. Therefor the coated emulsion is subject to flowing until the water evaporates. Bill
It sounds like your emulsion is a perfect candidate for a plate surrounded by thicker dam bars. If you placed all the glass on silicon sheets and pressed them down for really good contact, I'd think the emulsion would stay put long enough to dry nice and even.

I've found this a great silicon sheet: http://www.target.com/gp/detail.html...t_adv_XSG10001