Thermal Ceramics 2300 RPC Shapes

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Thermal Ceramics 2300 RPC Shapes
Categories:	Ceramic; Oxide; Silicon Oxide
Material Notes:	RPC 2300 is an insulating material produced by blending alumina-silica fibers with high purity silica binders. The high temperature capability is enhanced by employing ammonia stabilized colloidal silica rather than a sodium stabilized product. At elevated temperatures, residual sodium acts as a flux and reduces the refractories maximum use temperature. Features: No organic binders Complex shape capability Low thermal conductivity and minimal heat storage High resistance to thermal shock and spalling Low shrinkage Light weight Applications: Bullnose tiles Burner blocks Combustion chamber construction Diffusion furnaces Flue and exhaust stack liners Furnace components General molten metal contact Peep door frames and plugs Heat shields High temperature gaskets and seals Hot tops for super alloy casting Molten aluminum contact Semiconductor processing equipment Shapes for laboratory furnaces Shapes in ammonia reformers 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	0.272 g/cc
Loss On Ignition	1.3 %

Mechanical Properties	Original Value	Comments
Hardness, Shore A	71 - 82	ASTM D2240
Modulus of Rupture	0.0560 ksi	after 24 hour isothermal soak
Compressive Yield Strength	0.0500 MPa	after 24 hour isothermal soak, at 5% deformation
	0.0600 MPa	after 24 hour isothermal soak, at 10% deformation

Thermal Properties	Original Value	Comments
Specific Heat Capacity	0.270 BTU/lb-°F
Thermal Conductivity	0.480 BTU-in/hr-ft²-°F @Temperature 260 °C	ASTM C210
	0.720 BTU-in/hr-ft²-°F @Temperature 538 °C	ASTM C210
	1.03 BTU-in/hr-ft²-°F @Temperature 816 °C	ASTM C210
	1.52 BTU-in/hr-ft²-°F @Temperature 1090 °C	ASTM C210
Melting Point	3200 °F
Maximum Service Temperature, Air	2300 °F
Shrinkage	0.30 % @Temperature 816 °C, Time 86400 sec
	1.9 % @Temperature 982 °C, Time 86400 sec
	2.7 % @Temperature 1090 °C, Time 86400 sec
	3.4 % @Temperature 1200 °C, Time 86400 sec

Component Elements Properties	Original Value	Comments
Al2O3	32 %
SiO2	68 %

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CTHERM190 / 2510

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