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K-40 Feldspar

Description: POTASH/SODIUM/CALCIUM FELDSPAR

Oxide Analysis Formula
CaO 0.17% 0.02
K2O 10.60% 0.66
MgO 0.05% 0.01
Na2O 3.30% 0.31
Al2O3 17.88% 1.03
SiO2 67.34% 6.59
Fe2O3 0.08% -
LOI 0.19%n/a
Oxide Weight 584.74
Formula Weight 585.86

Notes

K-40 is used as a source of alumina and potash in specialized glass batch formulations requiring high potassium levels. Carefully beneficiated using the froth floation process, K-40 Feldspar offers low iron and high alkali content per unit of alumina.

Screen Analysis (Cum %):
+30 mesh: 0.1
+40 mesh: 0.22
+200 mesh: 95.9

Bulk Density: 90 lbs/cu ft

Related Information

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Typecodes Feldspar
The most common source of fluxes for high and medium temperature glazes and bodies.
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