Pyrotrol

Description: Andalusite/Pyrophyllite Ore

Oxide	Analysis	Formula
K2O	0.20%	0.01
Na2O	0.20%	0.02
TiO2	0.40%	0.03
Al2O3	18.90%	1.00
SiO2	77.00%	6.91
Fe2O3	0.40%	0.01
LOI	2.80%	n/a
Oxide Weight		524.03
Formula Weight		539.13

Notes

The Pyrotrol group of mineral products offers a controlled blend of milled Andalusite/Pyrophyllite ores designed to control strinkage in whiteware ceramic applications. Pyrotrol reduces thermal expansion, stabilizes shrinkage, widens firing range and reduces warpage.

Alumina content is controlled to meet certain specifications. Pyrotrol produces an excellent kiln car wash and is an inexpensive coating material for facebrick production.

This material is dry milled and magnetically separated.

The analysis shown is an average.

Related Information

Links

Materials	Alkatrol
Materials	Andafrac
Materials	Pyrofrac
Materials	Pyrophyl
Materials	Seriphyl
Materials	Pyrotrol 2253
Materials	Pyrotrol 3503
Materials	Pyrotrol 2004
Materials	Pyrotrol 2005
Typecodes	Aluminum Silicate Materials not classifiable as commonly known aluminum silicates. For example, kaolin is a common aluminum silicate.

Data

Bulk Density lbs/cu. ft. (Packed)	40-45
Pyrometric Cone Equivalent	26
Sieve Analysis Dry	+200 mesh: 1-3.5% +325: 1-12.5%
Density (Specific Gravity)	2.80

Mechanisms

Body Thermal Expansion	Pyrotrol products impart higher strength in electrical porcelains and reduce dunting problems associated with traditional porcelain bodies if substituted for silica content.

By Tony Hansen
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