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Pyrofrac 4203

Oxide Analysis Formula
K2O 0.20% 0.01
Na2O 0.20% 0.01
TiO2 0.40% 0.02
Al2O3 24.00% 1.00
SiO2 71.20% 5.03
Fe2O3 1.00% 0.03
H2O3.00%
Oxide Weight 412.25
Formula Weight 425.00

Notes

Used in structural clay coatings, refractory formulations, whiteware ceramics, art pottery to
increase refractoriness, reduce shrinkage, and widen firing range.
This material is made by crushing & screening of selectively mined andalusite/pyrophyllite/sericite ores
with heavy media separation.

Related Information

Links

Materials Andalusite
Materials Pyrophyllite
Materials Alkatrol
Materials Pyrofrac
Materials Seriphyl
Suppliers RESCO Products

Data

Bulk Density lbs/cu. ft. (Packed)75
Pyrometric Cone Equivalent29
Sieve Analysis Dry+20 mesh: 5.0 +50 mesh: 90.0 +70 mesh: 5.0
Density (Specific Gravity)2.7

By Tony Hansen


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