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Barium Carbonate, 1kg
£5.88 (inc VAT)
Used in casting slip at low levels to prevent scumming (up to 0.5%). Used in high temperature glazes as a flux or alongside copper to produce a recognisable turquoise. Will produce matt/semi-matt surfaces at earthenware temperatures. Can lend higher translucency to clay bodies.
Description
Used in casting slip at low levels to prevent scumming (up to 0.5%). Used in high temperature glazes as a flux or alongside copper to produce a recognisable turquoise. Will produce matt/semi-matt surfaces at earthenware temperatures. In bodies it can give higher translucency but lead to increased weakness and excessive shrinkage.