Zircar Refractory Composites ZIRCAL-18 Refractory Board

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Zircar Refractory Composites ZIRCAL-18 Refractory Board
Categories:	Ceramic
Material Notes:	Type ZIRCAL-18 Refractory Board is a high temperature calcium silicate block insulation with excellent mechanical properties and stability up to 1100°C(2000°F). Its high thermal insulating value makes it ideal for many fireproofing and heat processing equipment applications. ZIRCAL-18 is designed to serve as a backup insulation for any refractory construction, such as insulating fire brick, dense refractory brick, castable, gunning mix, plastic refractory or ceramic fiber. Information provided by ZIRCAR Refractory Composites, Inc. (ZRCI)
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Physical Properties	Original Value	Comments

Density	0.280 g/cc
Loss On Ignition	5.5 %

Mechanical Properties	Original Value	Comments
Modulus of Rupture	0.00110 GPa	parallel to thickness
Compressive Yield Strength	1.40 MPa	at 5% deformation, parallel to thickness

Thermal Properties	Original Value	Comments
CTE, linear	3.10 µm/m-°C @Temperature 20.0 - 700 °C
	5.50 µm/m-°C @Temperature 20.0 °C
Thermal Conductivity	0.0700 W/m-K @Temperature 200 °C	parallel to thickness
	0.0900 W/m-K @Temperature 400 °C	parallel to thickness
	0.100 W/m-K @Temperature 600 °C	parallel to thickness
Maximum Service Temperature, Air	1100 °C
Shrinkage	0.00 % @Temperature 650 °C, Time 43200 sec	Linear reheat (perpendicular to thickness)
	1.0 % @Temperature 1050 °C, Time 43200 sec	Linear reheat (perpendicular to thickness)

Component Elements Properties	Original Value	Comments
Other	1.5 %

Descriptive Properties
CaSiO₃, %	93

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CZRCI11 / 2874

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