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Elmet Technologies

Thermal Ceramics BTU-Block 1807/18 Board
Categories: Ceramic

Material Notes: BTU-Block products are a family of microporous insulation designed for use in high temperature industrial applications. Microporous insulation is a very high thermal efficiency material which has a thermal conductivity less than that of still air. These materials, consisting of fine diameter heat resistant particles, reinforcement fibers, and high temperature radiation blockers, address the primary modes of heat transfer in a novel way compared to traditional refractories. These components are appropriately sized and configured to create a microporous structure. This structure limits the number and movements of air particles, and creates a material of exceptionally low thermal conductivity. At elevated temperatures, the radiation blockers are employed to minimize radiation heat transfer by again proper sizing and distribution.

Features:

  • Extremely low thermal conductivity and heat loss
  • High compressive strength
  • Easily configured to shape
  • Use limit of 1800°F (982°C)
  • Applications:

  • Back-up insulation on high temperature furnaces
  • Commercial ovens
  • Hobby kilns
  • Electric thermal storage units
  • Commercial OEM products
  • Hand held appliances
  • Data recorders
  • Fire barrier in document protection applications
  • Information provided by Thermal Ceramics

    Data has not been recently verified. Please contact manufacturer for current information.

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    Physical PropertiesMetricEnglishComments
    Density 0.288 g/cc0.0104 lb/in³
     
    Mechanical PropertiesMetricEnglishComments
    Compressive Yield Strength 0.345 MPa50.0 psiResistance to compression at 10% deformation; 18 pcf; ASTM C165
     0.862 MPa125 psiResistance to compression at 25% deformation; 18 pcf; ASTM C165
     2.59 MPa375 psiResistance to compression at 50% deformation; 18 pcf; ASTM C165
     
    Thermal PropertiesMetricEnglishComments
    Thermal Conductivity  0.0231 W/m-K
    @Temperature 260 °C
    0.160 BTU-in/hr-ft²-°F
    @Temperature 500 °F
    ASTM C210
     0.0303 W/m-K
    @Temperature 538 °C
    0.210 BTU-in/hr-ft²-°F
    @Temperature 1000 °F
    ASTM C210
     0.0432 W/m-K
    @Temperature 816 °C
    0.300 BTU-in/hr-ft²-°F
    @Temperature 1500 °F
    ASTM C210
    Maximum Service Temperature, Air 982 °C1800 °F
    Shrinkage  0.30 %
    @Temperature 538 °C,
    Time 86400 sec
    0.30 %
    @Temperature 1000 °F,
    Time 24.0 hour
    ASTM C356
     0.60 %
    @Temperature 816 °C,
    Time 86400 sec
    0.60 %
    @Temperature 1500 °F,
    Time 24.0 hour
    ASTM C356
     1.3 %
    @Temperature 954 °C,
    Time 86400 sec
    1.3 %
    @Temperature 1750 °F,
    Time 24.0 hour
    ASTM C356

    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.

    CTHERM202 / 2522

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