No quote for the cone yet. Preston Fiske owner of PolyFab.biz says that he sets his 15 foot walk in oven at 300.
lets get J to test this out..he likes flammable things
Jbish could be the one to take the sheet out of the oven, he's not afraid of a little heat
I wouldn't necessarily dismiss the cautions about the fumes though.
Whatever the case, be careful guys. Probably wear gloves when you handle that hot sheet