Morgan Advanced Ceramics Hicast Extra CR Thermal Ceramic

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Morgan Advanced Ceramics Hicast Extra CR Thermal Ceramic
Categories:	Ceramic; Oxide
Material Notes:	Calcined Bauxite raw material base. Hydraulic bond. A low cement, bauxite 1700°C castable with high strengths at all temperatures, low porosity and excellent abrasion, impact and alkali resistance. Chrome addition ensures improved slag/metal contact resistance. Applications: Forge furnace hearths Door jambs, lintels and piers Cartops Rotary kiln nose rings, retainer rings and dams Rotary hearth curbs Walking beam furnace hearth, pusher furnace hearths Skid pipe protection Information provided by Morgan Advanced Materials
Key Words:	Thermal Ceramics
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Physical Properties	Metric	English	Comments

Bulk Density	2.72 g/cc	0.0983 lb/in³	dried to 110°C
Grain Size	<= 6000 µm	<= 6000 µm

Mechanical Properties	Metric	English	Comments
Compressive Strength	80.0 MPa @Treatment Temp. 815 °C	11600 psi @Treatment Temp. 1500 °F	Cold Crushing Strength
	100 MPa @Treatment Temp. 1000 °C	14500 psi @Treatment Temp. 1830 °F	Cold Crushing Strength
	110 MPa @Treatment Temp. 1600 °C	16000 psi @Treatment Temp. 2910 °F	Cold Crushing Strength
	120 MPa @Treatment Temp. 1800 °C	17400 psi @Treatment Temp. 3270 °F	Cold Crushing Strength
Abrasion	>= 6.0 @Temperature 815 °C	>= 6.0 @Temperature 1500 °F	cm3; ASTM C704

Thermal Properties	Metric	English	Comments
Thermal Conductivity	2.19 W/m-K @Temperature 600 °C	15.2 BTU-in/hr-ft²-°F @Temperature 1110 °F
Maximum Service Temperature, Air	<= 1700 °C	<= 3090 °F
Shrinkage	0.00 - 0.20 % @Treatment Temp. 815 °C	0.00 - 0.20 % @Treatment Temp. 1500 °F
	0.10 % @Treatment Temp. 1000 °C	0.10 % @Treatment Temp. 1830 °F
	0.30 % @Treatment Temp. 1600 °C	0.30 % @Treatment Temp. 2910 °F
	1.9 % @Treatment Temp. 1800 °C	1.9 % @Treatment Temp. 3270 °F

Component Elements Properties	Metric	English	Comments
Al2O3	79 %	79 %
CaO	1.7 %	1.7 %
Cr2O3	1.5 %	1.5 %
Fe2O3	1.5 %	1.5 %
K2O+Na2O	0.20 %	0.20 %	Na2O + K2O
MgO	0.40 %	0.40 %
SiO2	13 %	13 %
TiO2	2.8 %	2.8 %

Descriptive Properties
Net Material Required (kg/m³)	2720
Water Addition	5.7-6.7% by weight, 1.425-1.675 L per bag, 25 kg bag weight.

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CMORF6334 / 203118

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