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Pyrophyl R-2253

Oxide Analysis Formula
K2O 0.20% 0.01
Na2O 0.20% 0.02
TiO2 0.40% 0.03
Al2O3 20.00% 1.00
SiO2 75.70% 6.42
Fe2O3 0.70% 0.02
Oxide Weight 495.72
Formula Weight 510.00


The PYROPHYL group of mineral products consists of milled co-products of the Andafrac series and various milled combinations of the Pyrofrac and Andafrac series. The broad range of alumina contents allows for both whiteware and refractory applications. The products have shown to be excellent refractory components in foundry mold and core wash formulations. They also perform in electrical porcelain, technical ceramics and structural clay coatings.

Related Information


Materials Pyrophyl R-2252
Materials Pyrophyl R-1403
Materials Pyrophyllite
Materials Pyrophyl
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)55
Pyrometric Cone Equivalent26
Sieve Analysis Dry+200 mesh: 1%
Density (Specific Gravity)2.7

By Tony Hansen

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