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Specialty Compounds RTP Company

Thermal Ceramics Pyro-Log R Fiber
Categories: Ceramic; Oxide; Silicon Oxide

Material Notes: Pyro-Log is an uncompressed monolithic mass of ceramic fiber. Pyro-Log fiber is available in 6" and 8" (152 mm to 203 mm) thicknesses with densities up to 15 pcf (240 kg/m3). Manufactured in three temperature grades, R, ZR and C, the Pyro-Log fiber can be used in a wide range of applications. Pyro-Log fiber is the basic building block for all Pyro-Bloc applications.

All Pyro-Log fiber is produced with a special lubricant that allows the fibers to be intensely needled to attain densities up to 15 pcf (240 kg/m 3). This lubricant also adds pliability which allows true multidirectional compression during installation. At moderate temperatures this lubricant burns out and the fiber becomes rigid enough to stand on. This feature, unique to Pyro-Log fiber, assists during installation and provides the durability and toughness necessary for long life.

Features:

  • Monolithic log of 6” to 8” (152 mm to 203 mm) thick refractory ceramic fiber
  • Available densities up to 15 pcf (240 kg/m3)
  • Fully needled - no adhesives
  • Applications:

  • Low mass kiln cars
  • Fired heater floors
  • Back up insulation for insulating firebrick and castable lining
  • Fill gaps or small spaces where standard shapes are not practical
  • Information provided by Thermal Ceramics

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

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    Physical PropertiesMetricEnglishComments
    Density 0.128 g/cc0.00462 lb/in³Available in multiple densities
     0.160 g/cc0.00578 lb/in³Available in multiple densities
     0.192 g/cc0.00694 lb/in³Available in multiple densities
     0.240 g/cc0.00867 lb/in³Available in multiple densities
     
    Thermal PropertiesMetricEnglishComments
    Thermal Conductivity  0.0706 W/m-K
    @Temperature 260 °C
    0.490 BTU-in/hr-ft²-°F
    @Temperature 500 °F
    15 pcf; ASTM C201
     0.0720 W/m-K
    @Temperature 260 °C
    0.500 BTU-in/hr-ft²-°F
    @Temperature 500 °F
    12 pcf; ASTM C201
     0.0749 W/m-K
    @Temperature 260 °C
    0.520 BTU-in/hr-ft²-°F
    @Temperature 500 °F
    10 pcf; ASTM C201
     0.0764 W/m-K
    @Temperature 260 °C
    0.530 BTU-in/hr-ft²-°F
    @Temperature 500 °F
    8 pcf; ASTM C201
     0.121 W/m-K
    @Temperature 538 °C
    0.840 BTU-in/hr-ft²-°F
    @Temperature 1000 °F
    15 pcf; ASTM C201
     0.138 W/m-K
    @Temperature 538 °C
    0.960 BTU-in/hr-ft²-°F
    @Temperature 1000 °F
    12 pcf; ASTM C201
     0.150 W/m-K
    @Temperature 538 °C
    1.04 BTU-in/hr-ft²-°F
    @Temperature 1000 °F
    10 pcf; ASTM C201
     0.163 W/m-K
    @Temperature 538 °C
    1.13 BTU-in/hr-ft²-°F
    @Temperature 1000 °F
    8 pcf; ASTM C201
     0.206 W/m-K
    @Temperature 816 °C
    1.43 BTU-in/hr-ft²-°F
    @Temperature 1500 °F
    15 pcf; ASTM C201
     0.239 W/m-K
    @Temperature 816 °C
    1.66 BTU-in/hr-ft²-°F
    @Temperature 1500 °F
    12 pcf; ASTM C201
     0.261 W/m-K
    @Temperature 816 °C
    1.81 BTU-in/hr-ft²-°F
    @Temperature 1500 °F
    10 pcf; ASTM C201
     0.284 W/m-K
    @Temperature 816 °C
    1.97 BTU-in/hr-ft²-°F
    @Temperature 1500 °F
    8 pcf; ASTM C201
     0.316 W/m-K
    @Temperature 1090 °C
    2.19 BTU-in/hr-ft²-°F
    @Temperature 2000 °F
    15 pcf; ASTM C201
     0.353 W/m-K
    @Temperature 1090 °C
    2.45 BTU-in/hr-ft²-°F
    @Temperature 2000 °F
    12 pcf; ASTM C201
     0.388 W/m-K
    @Temperature 1090 °C
    2.69 BTU-in/hr-ft²-°F
    @Temperature 2000 °F
    10 pcf; ASTM C201
     0.425 W/m-K
    @Temperature 1090 °C
    2.95 BTU-in/hr-ft²-°F
    @Temperature 2000 °F
    8 pcf; ASTM C201
    Melting Point 1760 °C3200 °F
    Maximum Service Temperature, Air 1200 °C2200 °FContinuous
     1320 °C2400 °FRating
     
    Component Elements PropertiesMetricEnglishComments
    Al2O3 47 %47 %
    SiO2 53 %53 %
     
    Descriptive Properties
    Other Element Contenttraces

    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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    CTHERM078 / 2398

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