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Showing results for tags 'Bone Dry'.
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hantremmer posted a topic in Studio Operations and Making WorkI've got a bone dry bowl. Arctic white stoneware. It has thin walls and has been sitting for about a month. I also have a 'raven black' slip (description below). Is it possible for me to paint the pot with the slip, then paint patterns with shellac and wipe the black slip away, revealing the clay underneath? I'm unsure if the bowl will take the slip and whether it's possible to wipe the excess away, so I'm left with a black pattern. Ideas: These decorating slips, are suitable for use on both Earthernware and Stoneware bodies. When manufacturing our slips we believe in using high percentages of stain to give strong, vivid colours throughout the range. The slip can be applied to leather hard clay with brushes, sponges or slip trailers. After biscuit firing the pots should be glazed with a suitable transparent glaze which will further enhance the vibrant colours. Our sample is fired to 1060degC.The colours darken the higher you fire. Wide firing range - 1000-1300°C" Is it possible for me to paint the pot with the slip, then paint patterns with shellac and wipe the black slip
So as beginner, I am going through the growing pains of not enough education in ceramics. My pots are really thick walled and heavy, just due to the learning process and insecurities with clay and its fortitude. I have had many pieces "die" in the kiln due to many factors - air bubbles, not enough wedging... I have had the kiln operator at our local guild leave pieces out of the firing for me - thank god, due to the fact that they are not "Bone Dry". How important is the fact they are not "Bone Dry" before bisque firing and how do I tell if they are or not? Im new to my local climate, the other members tell me their experience is about 1 week of drying time is good....But I am a scientist, love details and facts, figures, and would love a quick lesson on how to tell if the moisture in my clay has evaporated enough in order to go to bisque firing.... Thanks for any feedback for my "beginner" questions.