“774C is far too high for
“774C is far too high for enamels.“
It depends on the enamels. Tracing black, Thompson enamels, and Glassline all hold up fine at full fuse temps.
Ceramic glazes hold up fine on the surface at high temps. Capped with clear many will fade (and even disappear) starting at around 1450° F (787° C).
Helios Kiln Glass Studio