Mason stains are artificially produced inorganic materials. They were made to be stable at different ceramic temperatures. Before purchasing your stains you should go to this website and learn more …
Cone 04 – Cone 12 Slip Ball Clay 75.000 Kaolin 10.000 Silica 10.000 Feldspar 5.000 Robin Hopper cites this decorating slip: He says it is useable from C04 to C12, …