You must test before you use it, at any scale. Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.
Burgess Iceberg Calcined KAOLIN 50 pounds dry
A sub for GLOMAX or any other calcined kaolin for glaze and clay body formulas and recipes.
Other applications: Burgess Iceberg Calcined KAOLIN is a conventionally calcined median pa rticle size 91-93 GE Brightness clay used as an extender of TiO2 in trade sales interior/exterior flat paints, filler/extender in flexible PVC having aesthetics rather than electrical requirements, EPDM wire and cable insulation compound, pharmaceutical rubber, and filler in polyurethane sealants.
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