Permanent Anti-Fog application....

[Rush44]

http://www.gizmag.com/permanent-anti-fog-coating-developed/18163/

Interesting read. This would be killer if it worked. Imagine, goggles that never fogged again.

 

[couch]

PVA ... fairly common stuff ... used a release agent for fibreglass molds .... maybe I'll try it on an old pair of goggles!