Cone 5-6
 
Blackened Copper is a glossy metallic glaze that embodies a deep copper finish with rich black undertones throughout. Apply a few extra layers to achieve bright shiny copper toned flashes!
 
* Results shown are fired at Cone 6 on B-Mix unless otherwise indicated. Speedball Mid-Fire Glazes are certified dinnerware safe when used according to manufacturer’s directions. Independent testing is recommended when multiple colors are used on a singular piece and/or prior to introducing into commerce.