Zircar Refractory Composites RSLE-57 Refractory Sheet

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Zircar Refractory Composites RSLE-57 Refractory Sheet
Categories:	Ceramic; Oxide; Silicon Oxide
Material Notes:	ZIRCAR Refractory Sheet Type RSLE-57 is a low expansion high strength reinforced silica matrix composite . This material was designed for use as a high strength insulator in induction hot press applications w. RSLE-57`s very low thermal expansion coefficient and high hot strength combine to give it thermal shock resistance not found in other structural ceramic matrix composite materials. Information provided by ZIRCAR Refractory Composites, Inc. (ZRCI)
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Physical Properties	Metric	English	Comments

Density	2.10 g/cc	0.0759 lb/in³
Porosity	31 %	31 %

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	87	87
Modulus of Rupture	0.0300 GPa	4.35 ksi	parallel to thickness
Compressive Yield Strength	48.0 MPa	6960 psi	at 2.7% consolidation parallel to thickness
Charpy Impact	1.08 J	0.800 ft-lb

Electrical Properties	Metric	English	Comments
Volume Resistivity	7.50e+9 ohm-cm	7.50e+9 ohm-cm	ASTM D257-93
Dielectric Strength	1.69 kV/mm	43.0 kV/in	ASTM D149-95

Thermal Properties	Metric	English	Comments
CTE, linear	0.300 µm/m-°C @Temperature 20.0 - 800 °C	0.167 µin/in-°F @Temperature 68.0 - 1470 °F
Thermal Conductivity	0.550 W/m-K @Temperature 200 °C	3.82 BTU-in/hr-ft²-°F @Temperature 392 °F	parallel to thickness; ASTM C1113
	0.610 W/m-K @Temperature 600 °C	4.23 BTU-in/hr-ft²-°F @Temperature 1110 °F	parallel to thickness; ASTM C1113
	0.640 W/m-K @Temperature 400 °C	4.44 BTU-in/hr-ft²-°F @Temperature 752 °F	parallel to thickness; ASTM C1113
	0.670 W/m-K @Temperature 800 °C	4.65 BTU-in/hr-ft²-°F @Temperature 1470 °F	parallel to thickness; ASTM C1113
	0.750 W/m-K @Temperature 1000 °C	5.20 BTU-in/hr-ft²-°F @Temperature 1830 °F	parallel to thickness; ASTM C1113
Shrinkage	0.0 % @Temperature 800 °C, Time 86400 sec	0.0 % @Temperature 1470 °F, Time 24.0 hour	Thickness
	0.1 % @Temperature 800 °C, Time 86400 sec	0.1 % @Temperature 1470 °F, Time 24.0 hour	length and width (linear)
	4.9 % @Temperature 1100 °C, Time 86400 sec	4.9 % @Temperature 2010 °F, Time 24.0 hour	length and width (linear)
	7.9 % @Temperature 1100 °C, Time 86400 sec	7.9 % @Temperature 2010 °F, Time 24.0 hour	Thickness

Component Elements Properties	Metric	English	Comments
Other	0.0 %	0.0 %	organics
	<= 0.3 %	<= 0.3 %	inorganics
SiO2	99.7 %	99.7 %

Descriptive Properties
Color	White

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.

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CZRCI08 / 2871

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