Skamol Group VERMICAST 116-25 Insulating Castable

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Skamol Group VERMICAST 116-25 Insulating Castable
Categories:	Ceramic; Oxide
Material Notes:	SKAMOL insulating castables have the following characteristics: Max. service temperature: Up to 1100°C (2102°F) Back-up insulation or hot-face uses For casting and gunning Products are based on fired Moler aggregates, refractory materials, or exfoliated vermiculite Effective insulation Quick and economical installation Used as monolithic heat insulation in a wide range of industrial kilns and furnaces, boilers, chimneys, and flues The Vermicast grades are favored as infill in aluminum reduction cell cathodes due to their non-wetting capacity to molten metal and good bath resistance. Information provided by Skamol.
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Physical Properties	Original Value	Comments

Bulk Density	13.0 lb/ft³	As Supplied
	19.0 lb/ft³	Defined by casting method, +/- 50kg (110 lbs)
Loss On Ignition	6.0 % @Temperature 1025 °C
Porosity	89 %

Mechanical Properties	Original Value	Comments
Compressive Strength	0.300 MPa	Dried at 110°C (230°F)

Thermal Properties	Original Value	Comments
Thermal Conductivity	0.130 W/m-K @Temperature 200 °C	Mean temp.; ASTM C-201 supplemented by ASTM C-182
	0.150 W/m-K @Temperature 400 °C	ASTM C-201 supplemented by ASTM C-182
	0.180 W/m-K @Temperature 600 °C	ASTM C-201 supplemented by ASTM C-182
Maximum Service Temperature, Air	1050 °C
Shrinkage	1.5 % @Time 43200 sec	Linear Reheat Shrinkage, 12h at 100°C (180°F) below max. service temp.

Component Elements Properties	Original Value	Comments
Al2O3 + TiO2	16 %
CaO	22 %
Fe2O3	7.0 %
K2O+Na2O	4.5 %
MgO	10 %
SiO2	34 %

Descriptive Properties
Pyrometric Cone Equivalent	1310°C	ASTM C24-89, ORTON cones

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CSKAM030 / 2181

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