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Hello! Can anyone help me with advise related to casting with clay slip in a plaster mold? I have made a 2-parts mold, and unfortunately there are some tiny holes between the parts, so I can’t tightly close it with rubber bands for casting. Is it possible to use plaster tape or other sealing to prevent clay slip leaking out? Or other tips to repair the holes? Thanks already ☺️
Cheers! I thank you very much if anyone can consult. I don't know why in the black or red ceramic paste (which I have high temperature), my faldespatico base enamels do not cover this clay. The enamels come out with bubbles.., although in white clay they work well for me. I understand that black clays contain ox iron and manganese..