Annealing Cups
Made of the finest selected fire clay, these cups are smooth and have an unglazed surface. Used for annealing gold buttons and for ignition of precipitates such as barium sulfate, copper sulfide, and silica.
Annealing Cups
Made of the finest selected fire clay, these cups are smooth and have an unglazed surface. Used for annealing gold buttons and for ignition of precipitates such as barium sulfate, copper sulfide, and silica.