Morgan Advanced Ceramics Insulating Firebricks JM 28 Thermal Ceramic

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Morgan Advanced Ceramics Insulating Firebricks JM 28 Thermal Ceramic
Categories:	Ceramic; Oxide
Material Notes:	High Temperature Series Information provided by Morgan Advanced Materials
Key Words:	Thermal Ceramic
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Physical Properties	Metric	English	Comments

Density	0.890 g/cc @Temperature 23.0 °C	0.0322 lb/in³ @Temperature 73.4 °F	at 50% RH; ASTM C-134-84
Deformation	0.10 % @Temperature 1260 °C, Time 5400 sec	0.10 % @Temperature 2300 °F, Time 1.50 hour	Hot Load Strength, 0.069 Mpa; ASTM C-16
	0.20 % @Temperature 1320 °C, Time 5400 sec	0.20 % @Temperature 2410 °F, Time 1.50 hour	Hot Load Strength, 0.069 Mpa; ASTM C-16

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.00180 GPa @Temperature 23.0 °C	0.261 ksi @Temperature 73.4 °F	at 50% RH; ASTM C-93-84
Compressive Strength	2.10 MPa	305 psi	Cold Crushing Strength, 50% RH; ASTM C-93-84

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.300 W/m-K @Temperature 400 °C	2.08 BTU-in/hr-ft²-°F @Temperature 752 °F
	0.320 W/m-K @Temperature 600 °C	2.22 BTU-in/hr-ft²-°F @Temperature 1110 °F
	0.340 W/m-K @Temperature 800 °C	2.36 BTU-in/hr-ft²-°F @Temperature 1470 °F
	0.360 W/m-K @Temperature 1000 °C	2.50 BTU-in/hr-ft²-°F @Temperature 1830 °F
	0.380 W/m-K @Temperature 1200 °C	2.64 BTU-in/hr-ft²-°F @Temperature 2190 °F
Shrinkage	0.40 % @Treatment Temp. 1510 °C, Time 86400 sec	0.40 % @Treatment Temp. 2750 °F, Time 24.0 hour	after soaking; ASTM C-210

Component Elements Properties	Metric	English	Comments
Al2O3	67.1 %	67.1 %
CaO	0.10 %	0.10 %
Fe2O3	0.60 %	0.60 %
K2O+Na2O	0.90 %	0.90 %
MgO	0.10 %	0.10 %
SiO2	31 %	31 %
TiO2	0.10 %	0.10 %

Descriptive Properties
Classification Temperature (°C)	1540
Reversible Linear Thermal Expansion Max (%)	0.8

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.

CMORF6018 / 202802

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