Papyros Kiln Shelf Paper 20.5"x 82' RollPAPYROS Kiln Shelf Paper PAPYROS, is a ceramic based paper designed for glass fusing. When placed between the kiln shelf and the underside of your glass fusing project, Papyros prevents the glass from sticking to the kiln shelf ideal for the majority of fusing projects, up to 1600 F. This shelf paper provides excellent glass kiln shelf separation on the first use, and frequently in subsequent firings, as well. Post firing integrity depends on the type