Amtal Texas Talc

5 KG TALC (TEXAS AMTAL C-98)

Part #MTCT4

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A useful anti-craze constituent of cone 06-04 clay bodies owing to the formation of high contraction crystals. Also an effective anti-craze glaze ingredient when substituted for wollastonite (keeping talc to <13% of the recipe) due to reduced glaze contraction. High-talc, magnesian matt glazes are noted for a purple colour response from cobalt.  After firing, dark grey Texas talc turns white.