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Morgan Advanced Ceramics Kaowool® Wet Felt Thermal Ceramic
Categories: Ceramic; Oxide

Material Notes: Kaowool Wet Felt and Kaowool Wet Felt ZR are manufactured from Cerablanket® and Cerachem® Blanket, respectively, which has been soaked in a specially formulated rigidizing solution that causes the blanket to harden when exposed to ambient air and/or heat. They are a “hot face” refractory insulation barrier that are designed for direct exposure to process atmospheres and can be fitted to a variety of surface contours. When dried or fired, they become a lightweight resilient insulator which can be sawed, cut, or sanded. Kaowool Wet Felt and Kaowool Wet Felt ZR are highly efficient insulators. The longer fibers give them the high tensile strength and resiliency to withstand vibration and physical abuse. Kaowool Wet Felt and Kaowool Wet Felt ZR have low thermal conductivity, low heat storage, and are extremely resistant to thermal shock.

Applications:

  • Line troughs and areas contacted with molten aluminum
  • Interior of dryers
  • Curved areas in ovens
  • Insulation for pipe wrap

Information provided by Morgan Advanced Materials

Key Words: Thermal Ceramics
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Physical PropertiesOriginal ValueComments
Density 0.240 - 0.320 g/cc
 
Mechanical PropertiesOriginal ValueComments
Modulus of Rupture 0.000790 GPa
 
Thermal PropertiesOriginal ValueComments
Thermal Conductivity 0.0700 W/m-K
@Temperature 260 °C
at 15pcf; ASTM C201
 0.130 W/m-K
@Temperature 538 °C
at 15pcf; ASTM C201
 0.170 W/m-K
@Temperature 816 °C
at 15pcf; ASTM C201
Melting Point 1760 °C
Maximum Service Temperature, Air 1260 °CContinuous Use
Shrinkage 1.9 %
@Temperature 982 °C,
Time 86400 sec
 3.1 %
@Temperature 1149 °C,
Time 86400 sec
 
Component Elements PropertiesOriginal ValueComments
Al2O3 22 - 26 %after firing
Fe2O3 <= 0.10 %after firing
SiO2 70 - 78 %after firing
TiO2 <= 0.10 %after firing
 
Descriptive Properties
Colorwhite

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