Success!!
ImageUploadedByTapatalk1359493164.107808.jpg
We got it the second go around, up'd the temperature to 250 degrees for an
Initial 10 minutes, no dice. So we went in for another 3 minutes (at 250 still) no issues melting, whatsoever, and we finally got it apart after 3 minutes of pulling and wiggling a flathead around to help pry. But I still used a baking tray and instead of just getting a little water on it, we soaked it in cold water, and just wrang it out really good.....
Bullet proof idea. It was also folded in half so double the heat blocking power.
ImageUploadedByTapatalk1359493326.474099.jpg
After it was all said and done, the cloth on the tray still felt cool to the touch, nothing to worry about melting at 250 degrees if you go lens up.