Here’s the firing schedule I have programmed into my kiln for my Cone 018 luster, china paint, and overglaze decal firings. (All temps in Fahrenheit).

Pre-Heat

1 Hour at 180°

Degrees per hour: 150°

Until it reaches: 250°

Hold for: 0:00

Degrees per hour: 400°

Until it reaches: 1319°

Hold for: 0:00