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Pyrofrac 0204

Oxide Analysis Formula
K2O 0.20% 0.01
Na2O 0.20% 0.02
TiO2 0.40% 0.03
Al2O3 16.50% 1.00
SiO2 76.90% 7.91
Fe2O3 1.00% 0.04
Oxide Weight 588.51
Formula Weight 618.18


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


Materials Andalusite
Materials Pyrophyllite
Materials Alkatrol
Materials Pyrofrac
Materials Seriphyl
Typecodes Aluminum Silicate
Materials not classifiable as commonly known aluminum silicates. For example, kaolin is a common aluminum silicate.


Bulk Density lbs/cu. ft. (Packed)105
Pyrometric Cone Equivalent23
Density (Specific Gravity)2.6

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