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Showing results for tags 'consistency'.
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Hello everyone, this is my first time on the forum, so glad I found you all. I wonder if anyone can help me with my slipcasting problem? I have made a narrow (4cm) and tall (26cm) cylinder mould and although the first cast came out satisfactory, the next three have came out the mould with the bases ‘sucked’ in/imploded. Could it be that the opening to the mould is too narrow to drain the slip? Or could my slip be too thick? When I cut into the cast it was still filled with slip about a quarter of the way up the form. If my slip is too thick, could I add a little water to thin it down? Many thanks in advance for your advice. Laura
I'm trying to get the hang of using my Amaco hydrometer to get consistent specific gravity with my new glaze tests and also with my slip. I cant learn anything if I just keep guessing. I want consistency when it comes to "my" part and then after that the fire gets to have its say. So in glazing I get information that says glaze should be around 140 to 160 sp gr but the readings are for 1.xxx. On this scale 1.00 is even with water, nothing in it. Or on the other side it is 0-70, 0 being the reading for water. Here is a pic of what I think is the proper consistency of a Leach Temmoku glaze. It reads 1.600. I know that there are deviations depending on what type of glaze and that some need to be thicker than others but looking for a starting point really. In the Britt high fire glaze book there is no specific gravity except for some recipes that I guess are deviations from a standard? Does anyone know the standard specific gravity for this particular book? Also on the same topic when using slip for dipping and general purpose decoration like brushing what should the general specific gravity be? I seriously need to get a real drill that can mix a 5 gallon bucket of slip. Its hard doing it with a kitchen whisk ;-) Hoping the answers I get will help others along the way! Thanks everyone for your input!
Hey guys, I buy my clay pre-mixed and am still trying to figure out a semi-consistent way to soften the clay, considering it is often a little stiff for my taste straight out of the box. Do you guys temper your pre-mixed clay to soften it? If so, what method do you use?