Quote:
Originally Posted by DaveWM
My understanding is the PVA layer is what makes the glass safty glass.
without it you just have more glass breaking and flying around. Perhaps I am all wrong on this but I thought that is how saftey glass was made (two layers of glass with a bonded memebrane that keeps the glass from shattering.
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It makes a lot of sense that the multiple layers are important... but isn't the bonding substance used PVB rather than PVA?
http://en.wikipedia.org/wiki/Polyvinyl_butyral
jr
05-20-2010, 01:52 PM
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