Thermal Ceramics Kaocrete 32-CM Dense Castable

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Thermal Ceramics Kaocrete 32-CM Dense Castable
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	Kaocrete 32-CM is a 3200°F (1760°C), casting grade, refractory castable with a 70% alumina content. It possesses excellent volume stability and high strength. 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	2.276 - 2.452 g/cc	Fired

Mechanical Properties	Original Value	Comments
Modulus of Rupture	0.500 - 1.00 ksi	Dried 18-24 hours at 220°F; ASTM C133
	0.300 - 0.600 ksi @Treatment Temp. 816 °C, Time 18000 sec	ASTM C133
	1.50 - 2.00 ksi @Treatment Temp. 1760 °C, Time 18000 sec	ASTM C133
Compressive Strength	20.1 - 27.6 MPa	Fired 5 hours at 1500°F
	24.1 - 29.7 MPa	Dried for 18-24 hours at 220°F
	48.3 - 55.2 MPa	Fired 5 hours at 3200°F

Thermal Properties	Original Value	Comments
Thermal Conductivity	1.50 W/m-K @Temperature 1093 °C
	1.57 W/m-K @Temperature 816 °C
	1.60 W/m-K @Temperature 538 °C
	1.67 W/m-K @Temperature 260 °C
Maximum Service Temperature, Air	3200 °F
Shrinkage	-1.50 - 0.00 % @Temperature 1760 °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	70 %
Alkalis	0.20 %
CaO	2.4 %
Fe2O3	0.90 %
MgO	0.10 %
SiO2	25 %
TiO2	1.8 %

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CTHERM038 / 2358

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