Northstar Cobalt Forepowder - 16oz

Northstar's Borosilicate Cobalt Blue fore powder. All colors shown after being flameworked. Cobalt Blue is well suited for small blown work, as well as sculpture when a medium transparent blue is desired. This Cobalt Blue can take a lot of heat and can be worked in a wide range of flame settings. To avoid any dulling or Greying, stay out of reducing flames.