Digitalfire Ceramic Materials Database

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Macaloid

OxideAnalysisFormula
CaO6.46%0.162
MgO22.07%0.769
Na2O3.08%0.070
TiO21.21%0.021
Al2O30.77%0.011
SiO251.89%1.212
Fe2O30.32%0.003
SO42.07
LOI12.00
Oxide Weight120.43
Formula Weight140.14
Enter the formula and formula weight directly into the Insight MDT dialog (since it records materials as formulas).
Enter the analysis into an Insight recipe and enter the LOI using Override Calculated LOI (in the Calc menu). It will calculate the formula.

Macaloid can be used as a glaze suspension agent and to shorten glaze drying times. Macaloid is used as a substitute for bentonite in porcelain bodies because it contains considerably less iron oxide. Macaloid contributes to increased plasticity but also contributes to greater shrinkage due to its great absorption of water. Macaloid should always be mixed well with warm water before adding to a glaze or clay body. Macaloid should be used in quantities less than 3% of the total mass of the glaze or clay body.


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By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Macaloid" descrip="" searchkey="" loi="0.00" casnumber=""> <oxides> <oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="6.460" tolerance=""/> <oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="22.070" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="3.080" tolerance=""/> <oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="1.210" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="0.770" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="51.890" tolerance=""/> <oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="0.320" tolerance=""/> </oxides> <volatiles> <volatile symbol="SO4" name="Sulfate" percent="2.070" tolerance=""/> <volatile symbol="LOI" name="Loss on Ignition" percent="12.000" tolerance=""/> </volatiles> </material>


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