Pyrotek Pyrite B-3 Refractory Board

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Pyrotek Pyrite B-3 Refractory Board
Categories:	Ceramic; Oxide; Silicon Oxide
Material Notes:	Pyrotek B-3 is a highly versatile calcium silicate board for use in a variety of machined shapes and general purpose applications. Among its uses, Pyrotek B-3 is established as the industry standard for high efficiency furnace insulation. Our machine shops are equipped with CNC tooling equipment to produce complex components to customer specifications. Applications Floats Machined spouts Baffle plates Dams Trough liners Transition plates Advantages Asbestos-free Low thermal conductivity Resistant to thermal shock Non-wetting Good machining characteristics Information provided by Pyrotek.
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Physical Properties	Metric	English	Comments

Density	0.850 g/cc	0.0307 lb/in³
Loss On Ignition	3.1 %	3.1 %

Mechanical Properties	Metric	English	Comments
Flexural Strength	8.00 MPa	1160 psi	(C 203)
Compressive Strength	10.0 MPa	1450 psi	(C 165)

Thermal Properties	Metric	English	Comments
CTE, linear	16.0 µm/m-°C @Temperature 20.0 °C	8.89 µin/in-°F @Temperature 68.0 °F
Thermal Conductivity	0.190 W/m-K @Temperature 100 °C	1.32 BTU-in/hr-ft²-°F @Temperature 212 °F	(DIN 51046)+
	0.200 W/m-K @Temperature 300 °C	1.39 BTU-in/hr-ft²-°F @Temperature 572 °F	(DIN 51046)+
	0.200 W/m-K @Temperature 500 °C	1.39 BTU-in/hr-ft²-°F @Temperature 932 °F	(DIN 51046)+
Maximum Service Temperature, Air	800 °C	1470 °F	Continuous
Shrinkage	0.21 % @Temperature 1000 °C, Time 86400 sec	0.21 % @Temperature 1830 °F, Time 24.0 hour	Linear (C 356 60)+
	1.7 % @Temperature 1000 °C, Time 86400 sec	1.7 % @Temperature 1830 °F, Time 24.0 hour	Thickness (C 356 60)+

Descriptive Properties
Screw Grip (Pull) Penetration Depth	130 kg		22 mm
	50 kg		13 mm
	90 kg		19 mm

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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CPYRO040 / 1802

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