Thermal Ceramics TR-20 Block Insulation

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Thermal Ceramics TR-20 Block Insulation
Categories:	Ceramic; Oxide; Silicon Oxide
Material Notes:	TR-20 Block is a superior, high-temperature insulation for service to 2000°F (1095°C). According to ASTM testing procedures, TR-20 exhibits extremely high resistance to breakage to 2000°F (1095°C). Long, maintenance-free service and maximum operating efficiency is assured by TR-20’s unique combination of low conductivity and high stability. TR-20 is also very low in sulfur and iron, making it highly resistant to attack from atmospheric conditions and greatly reducing the possibility of product contamination. These products can be manufactured in special shapes to fit. Features: Low thermal conductivity Block construction 36" x 12" Good high temperature strength Variety of thicknesses up to 7” Resistant to cryolite vapors Applications: Side and end wall insulating material in carbon baking pits Backup insulation in aluminum pot cells, reheat and pusher furnaces, copper reverberatory furnaces, and oil-fired water tube boilers Curved Block Interior and exterior use on bustle pipes, hot air pipes, stacks and other curved or circular equipment customer specifications, saving money on both installation and energy costs. 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	0.4245 g/cc	at ambient temperature; ASTM C303
	0.4806 g/cc @Temperature 1090 °C	ASTM C303
Loss On Ignition	9.5 %
Porosity	91 %	ASTM C493

Mechanical Properties	Original Value	Comments
Modulus of Rupture	0.118 ksi	at ambient temperature; ASTM C203
	0.216 ksi @Temperature 1090 °C	ASTM C203
Compressive Strength	1.66 MPa	at ambient temperature; ASTM C165
	2.69 MPa @Temperature 1090 °C	ASTM C165

Thermal Properties	Original Value	Comments
Specific Heat Capacity	1.01 J/g-°C
Thermal Conductivity	0.0900 W/m-K @Temperature 204 °C
	0.100 W/m-K @Temperature 316 °C
	0.110 W/m-K @Temperature 426 °C
	0.120 W/m-K @Temperature 540 °C
	0.120 W/m-K @Temperature 649 °C
	0.140 W/m-K @Temperature 746 °C
	0.150 W/m-K @Temperature 856 °C
Maximum Service Temperature, Air	2000 °F	Continuous
Shrinkage	4.0 % @Temperature 1090 °C	Linear; ASTM C356

Component Elements Properties	Original Value	Comments
Al2O3	3.8 %
Alkalis	1.3 %
CaO	10 %
Fe2O3	1.4 %
MgO	0.70 %
SiO2	73 %
TiO2	0.20 %

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CTHERM021 / 2341

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