Thermal Ceramics Kaolite 2500-LI Gunning Insulation Castables

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Thermal Ceramics Kaolite 2500-LI Gunning Insulation Castables
Categories:	Ceramic; Oxide
Material Notes:	Kaolite 2500-LI Gun is a 2500°F (1371°C) lightweight insulating castable that contains an intermediate-purity, calcium aluminate cement. Total iron content of <_ 1.0% enables its use where hydrogen or reducing atmospheres are present. Information provided by Thermal Ceramics Data has not been recently verified. Please contact manufacturer for current information.
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Physical Properties	Original Value	Comments

Density	1.025 - 1.17 g/cc	Fired at 1500°F
	1.025 - 1.17 g/cc	Fired at 2500°F

Mechanical Properties	Original Value	Comments
Modulus of Rupture	0.150 - 0.250 ksi	Dried 18-24 hours at 220°F; ASTM C133
	0.120 - 0.200 ksi @Treatment Temp. 816 °C, Time 18000 sec	ASTM C133
	0.250 - 0.400 ksi @Treatment Temp. 1370 °C, Time 18000 sec	ASTM C133
Compressive Strength	3.10 - 4.48 MPa	Dried for 18-24 hours at 220°F
	3.45 - 5.51 MPa	Fired 5 hours at 1500°F
	4.13 - 6.20 MPa	Fired 5 hours at 2500°F

Thermal Properties	Original Value	Comments
Thermal Conductivity	0.268026 W/m-K @Temperature 260 °C
	0.295405 W/m-K @Temperature 538 °C
	0.324225 W/m-K @Temperature 816 °C
	0.354486 W/m-K @Temperature 1093 °C
Maximum Service Temperature, Air	2500 °F
Shrinkage	-1.00 - 0.50 % @Temperature 1370 °C, Time 18000 sec	ASTM C113
	0.20 - 0.50 % @Temperature 816 °C, Time 18000 sec	ASTM C113
	0.00 - 0.20 % @Treatment Temp. 104 °C	Dried 18-24 hours; ASTM C113

Processing Properties	Original Value	Comments
Shelf Life	12.0 Month

Component Elements Properties	Original Value	Comments
Al2O3	44 %
Alkalis	1.3 %
CaO	17 %
Fe2O3	0.90 %
MgO	0.20 %
SiO2	35 %
TiO2	1.8 %

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CTHERM046 / 2366

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