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Pyrofrac 1655

Oxide Analysis Formula
K2O 0.45% 0.04
Na2O 0.45% 0.05
TiO2 0.40% 0.04
Al2O3 13.50% 1.00
SiO2 79.00% 9.93
Fe2O3 1.00% 0.05
Cl5.20%
Oxide Weight 716.27
Formula Weight 755.56

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)65
Pyrometric Cone Equivalent20
Sieve Analysis Dry+50 mesh: 0.1 +70 mesh: 0.1 +100 mesh: 1.1 +200 mesh: 8.6 +325 mesh: 21.0
Density (Specific Gravity)2.6

By Tony Hansen


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