Thermal Ceramics Kaocrete 28-LI Dense Castable

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Thermal Ceramics Kaocrete 28-LI Dense Castable
Categories:	Ceramic; Oxide
Material Notes:	Kaocrete 28-LI is a general-purpose, low iron monolithic which contains an intermediate-purity calcium aluminate cement that can be cast or gunned into place. Designed for applications up to 2800°F (1538°C), Kaocrete 28-LI a economical choice for high-temperature applications. Features: Recommended use limit up to 3000°F (1649°C) Aggregate chemistry and grain sizing High purity binder systems Installed by cast, gun or plaster Applications: Around water-cooled boiler tubes Boiler ash hoppers Kiln cars Piers Car bottoms Seal tanks in FCCU vessels Burner blocks Ladle metallurgy lance material 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	1.939 - 2.131 g/cc	Fired

Mechanical Properties	Original Value	Comments
Modulus of Rupture	0.600 - 1.00 ksi	Dried 18-24 hours at 220°F; ASTM C133
	0.200 - 0.500 ksi @Treatment Temp. 816 °C, Time 18000 sec	ASTM C133
	1.00 - 1.50 ksi @Treatment Temp. 1540 °C, Time 18000 sec	ASTM C133
Compressive Strength	11.8 - 20.1 MPa	Fired 5 hours at 1500°F
	20.1 - 27.6 MPa	Dried for 18-24 hours at 220°F
	27.6 - 41.4 MPa	Fired 5 hours at 2800°F

Thermal Properties	Original Value	Comments
Thermal Conductivity	0.860 W/m-K @Temperature 260 °C
	0.910 W/m-K @Temperature 538 °C
	0.950 W/m-K @Temperature 816 °C
	0.970 W/m-K @Temperature 1093 °C
Maximum Service Temperature, Air	2800 °F
Shrinkage	-0.500 - 0.50 % @Temperature 1540 °C, Time 18000 sec	ASTM C113
	0.10 - 0.40 % @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	49 %
Alkalis	0.20 %
CaO	6.0 %
Fe2O3	0.90 %
SiO2	42 %
TiO2	2.4 %

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CTHERM035 / 2355

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