Dragon Stains are lead free.
Autumn Brown - B125
They have a wide firing temperature range, from 1020 °C as an underglaze, to 1260°C as a glaze.
To work as an underglaze, mix 2 parts Dragon Stain to one part flux.
To work as a glaze, add 8% Dragon Stain to your glaze. For a stronger opaque finish - you can add 10% Dragon Stain.