Pyrotek Ceramite® INS Refractory

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Pyrotek Ceramite® INS Refractory
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	Ceramite® INS is a cast refractory using a bauxite based material, providing properties of electrical insulation, high mechanical strength and wear resistance. The aggregates in this formulation have a maximum grain size of approximately 4 millimeters (0.16 inches) and the castings have a maximum service temperature of 1000°C (1832°F). Ceramite INS blocks have passed Nemko electrical insulation testing under the application of 500 volts direct current and up to 5000 volts alternating current with no flash-over. Benefits: Excellent electrical insulation Good mechanical strength Good wear resistance Applications: Crust breaker insulators Electrical insulation between steel pipes in potrooms Information provided by Pyrotek
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Physical Properties	Original Value	Comments

Density	2.80 g/cc @Temperature 20.0 °C
	2.80 g/cc @Temperature 600 °C
Grain Size	<= 4000 µm

Mechanical Properties	Original Value	Comments
Modulus of Rupture	0.0150 GPa @Temperature 20.0 °C	Cold
	0.0200 GPa @Temperature 850 °C	Cold
	0.0250 GPa @Temperature 500 °C	Cold
	0.0300 GPa @Temperature 600 °C	Cold
Compressive Strength	145 MPa @Temperature 20.0 °C	Cold
	150 MPa @Temperature 850 °C	Cold
	215 MPa @Temperature 500 °C	Cold
	230 MPa @Temperature 600 °C	Cold
Abrasion	4.0 @Temperature 20.0 °C	[cm^3]
	4.0 @Temperature 600 °C	[cm^3]

Thermal Properties	Original Value	Comments
Thermal Conductivity	2.50 W/m-K @Temperature 900 °C
	2.70 W/m-K @Temperature 600 °C
	3.20 W/m-K @Temperature 300 °C
Maximum Service Temperature, Air	1000 °C
Shrinkage	-0.600 % @Temperature 20.0 - 850 °C

Descriptive Properties
Permanent Linear Change	-0.3%	20-850°C

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CPYRO518 / 199540

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