Digitalfire Ceramic Materials Database

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NC-4 Feldspar

Alternate Names: NC4 Feldspar, Spruce Pine #4 Spar

OxideAnalysisFormula
CaO1.40%0.139
MgO0.05%0.007
K2O4.10%0.243
Na2O6.80%0.611
Al2O318.85%1.030
SiO268.15%6.321
Fe2O30.07%0.002
LOI0.09
Oxide Weight554.19
Formula Weight554.69
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.
DENS - Density (Specific Gravity) 2.65
SADR - Sieve Analysis Dry 170: +200 mesh: 1.92%, +325: 11.97 200: 0.7%, 6.6% 250: 0.06%, 1.5%
SAMG - Surface Area (m2/gm) 170: 1.21, 200: 1.29, 250: 1.48
BDLB - Bulk Density lbs/cu. ft. (Packed) 62 loose, 74 packed
AVSC - Apparent Viscosity (cps) 170: 14.1, 200: 12.6, 250: 10.6

NC-4 feldspar is a high quality sodium / potassium / calcium aluminum silicate ground to 170, 200 and 250 mesh, for ceramic applications. Carefully beneficiated and controlled for quality, NC-4 feldspar offers high alkali content and low iron oxide content per unit of alumina. Its various grinds are tailored for specific applications.

Now called Minspar 200.


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In Bound Links


By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="NC-4 Feldspar" descrip="" searchkey="NC4 Feldspar, Spruce Pine #4 Spar" loi="0.00" casnumber="12168-80-8"> <oxides> <oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="1.400" tolerance=""/> <oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="0.050" tolerance=""/> <oxide symbol="K2O" name="Potassium Oxide" status="" percent="4.100" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="6.800" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="18.850" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="68.150" tolerance=""/> <oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="0.070" tolerance=""/> </oxides> <volatiles> <volatile symbol="LOI" name="Loss on Ignition" percent="0.090" tolerance=""/> </volatiles> </material>


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