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Thermal Ceramics K-Shield AG Felt
Categories: Ceramic; Oxide; Aluminum Oxide

Material Notes: Meets BMS9-19 and AMS 3680 Rev. C specifications.

K-Shield Felt products are produced from premium, cleaned Kaowool high-purity fibers and a special thermosetting binder system in a unique paper-making process. The cleaning process improves the thermal conductivity, insulating value, and vibration resistance of the felt, while also making it an ideal product for die-cutting, fabrication, and handling. K-Shield Felts are both compressible and resilient, while exhibiting excellent flexibility and handling strengths. The special binder system eliminates smoke problems and allows for minimal off-gassing. Due to their unique semi-rigid yet flexible form, K-Shield Felts offer some special properties in comparison to traditional blankets and papers.

The standard K-Shield Felt, K-Shield Felt LS, and K-Shield Felt AG are premium, low-shot products produced from cleaned high-purity ceramic fibers. The K-Shield Felt LS is a very clean, lower-shot product developed for those very demanding applications. These products have very low thermal conductivities and exhibit excellent vibration resistance.

The K-Shield Felt AG is designed specifically for aerospace insulation applications and is approved for both the BMS9-19 and AMS 3680-Rev. C specifications. These approvals include meeting specific tests related to optimum performance in aerospace insulation applications.

Features:

  • Low thermal conductivity and heat storage
  • Excellent flexibility with good handling strength for fabrication and die-cutting
  • High temperature stability
  • Low organic binder content with minimal off-gassing
  • Low shot (unfiberized material) content
  • Lightweight, yet resilient
  • Continuous use limit of 2300°F (1260°C)
  • Applications:

  • Automotive heat shields and muffler insulation
  • Aerospace insulation
  • High-temperature gasketing
  • Commercial and domestic appliance insulation
  • Expansion joints
  • Parting agent in heat treating and metal working
  • Glassware separator
  • Information provided by Thermal Ceramics

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

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    Physical PropertiesOriginal ValueComments
    Density 0.0960 g/cc
    Loss On Ignition <= 3.0 %
     
    Mechanical PropertiesOriginal ValueComments
    Tensile Strength, Ultimate 5.00 psiFired
     5.00 - 10.0 psi
     
    Thermal PropertiesOriginal ValueComments
    Thermal Conductivity 0.280 BTU-in/hr-ft²-°F
    @Temperature 100 °C
    ASTM 117
     0.360 BTU-in/hr-ft²-°F
    @Temperature 200 °C
    ASTM 117
     0.420 BTU-in/hr-ft²-°F
    @Temperature 260 °C
    ASTM 117
     0.520 BTU-in/hr-ft²-°F
    @Temperature 349 °C
    ASTM 117
     0.730 BTU-in/hr-ft²-°F
    @Temperature 499 °C
    ASTM 117
     0.800 BTU-in/hr-ft²-°F
    @Temperature 538 °C
    ASTM 117
     1.00 BTU-in/hr-ft²-°F
    @Temperature 649 °C
    ASTM 117
     1.37 BTU-in/hr-ft²-°F
    @Temperature 816 °C
    ASTM 117
     2.14 BTU-in/hr-ft²-°F
    @Temperature 1090 °C
    ASTM 117
    Melting Point 3200 °F
    Maximum Service Temperature, Air 2300 °F
     
    Component Elements PropertiesOriginal ValueComments
    Al2O3 51 %
    SiO2 49 %
     
    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 go back to viewing the property data in MatWeb's normal format.

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    CTHERM248 / 2568

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