AndreaB Posted April 17, 2017 Report Share Posted April 17, 2017 Hi everyone, Hope you all have had a good holiday weekend. I have a quick question regarding warppaged and drying of porcelain slip casting. I have a couple of plate moulds and I would like to cast using porcelain. Does porcelain slip warp? Should I follow the same rules for plates regarding drying slowly and upside down? Thanks. Enjoy the rest of the day. Andrea Link to comment Share on other sites More sharing options...
glazenerd Posted April 18, 2017 Report Share Posted April 18, 2017 Does porcelain slip warp? If it is formulated with a low plasticity body: then no. However, if all they did was send out the dry blend of their regular porcelain body: then yes because of plasticity. Make a simple 6 x 6 test tile and move it to a ware board as soon as possible before it begins to dry. Just let it sit there, if it is going to wrap- it will. Nerd Link to comment Share on other sites More sharing options...
AndreaB Posted April 18, 2017 Author Report Share Posted April 18, 2017 Thanks, I'll do that and I know the chap who runs the factory that produces the slip so I'll ask him also. Have a great day Link to comment Share on other sites More sharing options...
Mark C. Posted April 18, 2017 Report Share Posted April 18, 2017 I had a porcelain slip casting business (spin off with a partner for 10 years ) Porcelain slip can slump at high temp and can warp while drying. The form really is a big factor-Plate forms are pushing this as far a a form goes. drying will be a key factor as well as the slip formula . Link to comment Share on other sites More sharing options...
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