Thermal Ceramics Kaolite 2500-HS Gunning Insulation Castables

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Thermal Ceramics Kaolite 2500-HS Gunning Insulation Castables
Categories:	Ceramic; Oxide
Material Notes:	Kaolite 2500-HS Gun is a high-strength insulating castable designed for temperatures up to 2500°F (1371°C). It has excellent thermal stability throughout its temperature use range. Information provided by Thermal Ceramics Data has not been recently verified. Please contact manufacturer for current information.
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Physical Properties	Metric	English	Comments

Density	1.138 - 1.378 g/cc	0.04111 - 0.04978 lb/in³	Fired at 1500°F
	1.218 - 1.41 g/cc	0.04400 - 0.0509 lb/in³	Fired at 2500°F

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.00172 - 0.00276 GPa	0.250 - 0.400 ksi	Dried 18-24 hours at 220°F; ASTM C133
	0.00172 - 0.00276 GPa @Treatment Temp. 816 °C, Time 18000 sec	0.250 - 0.400 ksi @Treatment Temp. 1500 °F, Time 5.00 hour	ASTM C133
	0.00276 - 0.00448 GPa @Treatment Temp. 1370 °C, Time 18000 sec	0.400 - 0.650 ksi @Treatment Temp. 2500 °F, Time 5.00 hour	ASTM C133
Compressive Strength	4.82 - 8.27 MPa	699 - 1200 psi	Dried for 18-24 hours at 220°F
	5.51 - 9.65 MPa	799 - 1400 psi	Fired 5 hours at 1500°F
	6.20 - 8.96 MPa	899 - 1300 psi	Fired 5 hours at 2500°F

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.40348 W/m-K @Temperature 260 °C	2.8002 BTU-in/hr-ft²-°F @Temperature 500 °F
	0.4323 W/m-K @Temperature 538 °C	3.000 BTU-in/hr-ft²-°F @Temperature 1000 °F
	0.46112 W/m-K @Temperature 816 °C	3.2002 BTU-in/hr-ft²-°F @Temperature 1500 °F
	0.50435 W/m-K @Temperature 1093 °C	3.5002 BTU-in/hr-ft²-°F @Temperature 1999 °F
Maximum Service Temperature, Air	1370 °C	2500 °F
Shrinkage	-0.500 - 0.50 % @Temperature 1370 °C, Time 18000 sec	-0.500 - 0.50 % @Temperature 2500 °F, Time 5.00 hour	ASTM C113
	0.20 - 0.50 % @Temperature 816 °C, Time 18000 sec	0.20 - 0.50 % @Temperature 1500 °F, Time 5.00 hour	ASTM C113
	0.00 - 0.20 % @Treatment Temp. 104 °C	0.00 - 0.20 % @Treatment Temp. 220 °F	Dried 18-24 hours; ASTM C113

Processing Properties	Metric	English	Comments
Shelf Life	12.0 Month	12.0 Month

Component Elements Properties	Metric	English	Comments
Al2O3	42 %	42 %
Alkalis	0.70 %	0.70 %
CaO	15 %	15 %
Fe2O3	2.5 %	2.5 %
MgO	0.10 %	0.10 %
SiO2	38 %	38 %
TiO2	1.0 %	1.0 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

CTHERM047 / 2367

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