This glaze is a mid fire black coloured glaze. Glaze is applied by dipping or pouring onto bisque fired work. This glaze is fired to mid fire temperatures. The firing range is 1200-1240℃.This gloss glaze is functional and food safe.We recommend 1.5- 1.8 litres of water is added to 1kg of this glaze powder. We recommend testing this glaze prior to use on ceramic works.