Thermal Ceramics Kaowool Blanket
Categories: Ceramic; Oxide; Silicon Oxide
Material Notes: Kaowool blanket is produced from kaolin, a naturally occurring alumina-silica fire clay. Kaowool, the world’s most recognizable name in ceramic fiber blanket, is available in a wide variety of densities and sizes. Kaowool blanket offers excellent handleability and high temperature stability. This allows it to meet a wide range of hot face and backup insulation applications in furnaces, kilns and other equipment requiring high temperature heat containment.

Military Specifications and Approvals:

  • Mil-I-23128A- 3, 6 pcf blanket
  • Mil-I-24244- all blankets
  • Mil-I-23128B- 6, 8 pcf blanket

    • Information provided by Thermal Ceramics

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    Physical PropertiesMetricEnglishComments
    Density 0.0480 g/cc0.00173 lb/in³Available in multiple densities
     0.0640 g/cc0.00231 lb/in³Available in multiple densities
     0.0960 g/cc0.00347 lb/in³Available in multiple densities
     0.128 g/cc0.00462 lb/in³Available in multiple densities
     0.192 g/cc0.00694 lb/in³Available in multiple densities
    Thickness 3125 - 50000 microns123.0 - 1970 mil
     
    Thermal PropertiesMetricEnglishComments
    Thermal Conductivity  0.0600 W/m-K
    @Temperature 260 °C    		0.416 BTU-in/hr-ft²-°F
    @Temperature 500 °F    		8 pcf
     0.0700 W/m-K
    @Temperature 260 °C    		0.486 BTU-in/hr-ft²-°F
    @Temperature 500 °F    		6 pcf
     0.0800 W/m-K
    @Temperature 260 °C    		0.555 BTU-in/hr-ft²-°F
    @Temperature 500 °F    		4 pcf
     0.120 W/m-K
    @Temperature 538 °C    		0.833 BTU-in/hr-ft²-°F
    @Temperature 1000 °F    		8 pcf
     0.150 W/m-K
    @Temperature 538 °C    		1.04 BTU-in/hr-ft²-°F
    @Temperature 1000 °F    		6 pcf
     0.190 W/m-K
    @Temperature 538 °C    		1.32 BTU-in/hr-ft²-°F
    @Temperature 1000 °F    		4 pcf
     0.210 W/m-K
    @Temperature 816 °C    		1.46 BTU-in/hr-ft²-°F
    @Temperature 1500 °F    		8 pcf
     0.250 W/m-K
    @Temperature 816 °C    		1.74 BTU-in/hr-ft²-°F
    @Temperature 1500 °F    		6 pcf
     0.260 W/m-K
    @Temperature 982 °C    		1.80 BTU-in/hr-ft²-°F
    @Temperature 1800 °F    		8 pcf
     0.300 W/m-K
    @Temperature 1093 °C    		2.08 BTU-in/hr-ft²-°F
    @Temperature 1999 °F    		8 pcf
     0.320 W/m-K
    @Temperature 982 °C    		2.22 BTU-in/hr-ft²-°F
    @Temperature 1800 °F    		6 pcf
     0.330 W/m-K
    @Temperature 816 °C    		2.29 BTU-in/hr-ft²-°F
    @Temperature 1500 °F    		4 pcf
     0.430 W/m-K
    @Temperature 982 °C    		2.98 BTU-in/hr-ft²-°F
    @Temperature 1800 °F    		4 pcf
    Melting Point 1760 °C3200 °F
    Maximum Service Temperature, Air 1090 °C2000 °FContinuous
     1260 °C2300 °FRating
     
    Component Elements PropertiesMetricEnglishComments
    Al2O3 45 %45 %
    Alkalis 0.20 %0.20 %
    B2O3 0.080 %0.080 %
    CaO 0.10 %0.10 %
    Fe2O3 1.0 %1.0 %
    SiO2 50 - 55 %50 - 55 %
    TiO2 1.7 %1.7 %
     
    Descriptive Properties
    MgO Contenttrace
    Water Leachable Elements on Surface of Fiber, PPMBoron, 40
     Chlorine, <10
     Fluorine, <5
     Silicate, 125
     Sodium, 40
     Sulfur, 10

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