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Idaho 2 Fireclay

Alternate Names: Idaho II Fireclay, A.P. Green Idaho 2

Oxide Analysis Formula Tolerance
CaO 0.20% 0.01
K2O 1.21% 0.05
MgO 0.22% 0.02
Na2O 1.22% 0.08
TiO2 0.53% 0.03
Al2O3 25.77% 1.00
SiO2 60.48% 3.98
Fe2O3 1.09% 0.03
LOI 9.28%n/a
Oxide Weight 359.08
Formula Weight 395.81

Related Information

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Materials Fireclay
Typecodes Refractory
Materials that melt at high temperatures. These are normally used for kiln bricks, furniture, etc. or for ceramics that must withstand high temperatures during service.
Typecodes Fireclay
Fireclays are non-kaolin non-ball clay materials similar to stoneware clays but lacking fluxing oxides. Many fireclays have a PCE of 28 or more.
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