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Thermal Ceramics Kaowool 1401 Millboard
Categories: Ceramic; Oxide; Silicon Oxide

Material Notes: Kaowool 1401 Millboard is a strong, thin, dense board product with excellent compression resistance and insulating characteristics. It is produced from Kaowool ceramic fibers, clay, inert fillers, and a small amount of both organic and inorganic binders for increased handling strength. It maintains its integrity throughout a wide temperature range and is easily fabricated and die cut. Kaowool Grade 1401 Millboard is an excellent product for backup insulation and many types of gasketing applications.

Features:

  • Asbestos replacement millboard
  • Thin durable insulation and gasketing
  • Easy to die cut
  • Good compression resistance
  • Excellent dimensional stability
  • Excellent backup insulation
  • Applications:

  • High-temperature gaskets
  • Heat and flame shields
  • Parting media
  • Thermal barrier
  • Refractory backup insulation
  • 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 0.560 - 0.641 g/cc
    Moisture Absorption 0.50 %
    Loss On Ignition 9.0 - 11 %
    @Temperature 538 °C
     
    Mechanical PropertiesOriginal ValueComments
    Modulus of Rupture 0.650 - 0.750 ksi
    Compressive Yield Strength 0.0600 - 0.140 MPaat 5% deformation
     0.380 - 0.480 MPaat 10% deformation
     1.20 - 1.38 MPaat 15% deformation
     
    Thermal PropertiesOriginal ValueComments
    Thermal Conductivity 0.610 BTU-in/hr-ft²-°F
    @Temperature 260 °C
     0.810 BTU-in/hr-ft²-°F
    @Temperature 538 °C
     1.04 BTU-in/hr-ft²-°F
    @Temperature 816 °C
     1.33 BTU-in/hr-ft²-°F
    @Temperature 1090 °C
    Melting Point 3200 °F
    Maximum Service Temperature, Air 2000 °F
     
    Component Elements PropertiesOriginal ValueComments
    Al2O3 36 %
    Other 4.0 %
    SiO2 60 %

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