Midrange Casting Slip Posted on February 4, 2023February 1, 2023 by Kevin Listen to this article:0:000:001.0xYour browser does not support the audio element. Cone 6 University of the Arts Clay Body Material Percentage Nepheline Syenite 23% Grolleg (English Kaolin) 55% Silica (Flint) 22% Add: Bentonite or Macaloid 1% Related Posts:Highfire ClayCommon Ceramic Slip Questions AnsweredHow to test for shrinkage and absorption ratesMidrange Casting SlipSilicon Dioxide SiO2 SilicaBeginning a Glaze Pantry