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Morgan Advanced Ceramics Superwool® Paper 351-E Thermal Ceramic
Categories: Ceramic; Oxide

Material Notes: AES Fiber Class. Expandable fiber grade. Superwool 351-E expandable paper is an intumescent material produced from a unique blend of Superwool bulk fibers, special additives, and organic binders. At maximum expansion which occurs at approximately 1200°F (649°C), the paper expands up to 400% of its thickness. This results in the 351-E paper being an excellent candidate for high temperature gaskets and seals, and fire protection applications. During heat up and expansion, there will be some additional outgassing of the intumescent additives.

Applications:

  • All-purpose high temperature gasketing and sealing
  • Fire protection
  • Fire doors
  • Expansion joint insulation
  • Fireplace catalytic converter gasketing
  • Aluminum filter bowl gasketing

Information provided by Morgan Advanced Materials

Key Words: Thermal Ceramics
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Physical PropertiesOriginal ValueComments
Density 0.240 - 0.288 g/cc
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 0.0300 - 0.0700 MPafired
 0.520 - 0.690 MPa
 
Thermal PropertiesOriginal ValueComments
Melting Point 1275 °C
Maximum Service Temperature, Air 1000 °CContinuous Use
 
Component Elements PropertiesOriginal ValueComments
CaO+MgO 23 - 37 %after firing
Carbon, C 5.0 - 10 %after firing
Other 6.0 - 10 %organic binder
SiO2 55 - 65 %after firing
 
Descriptive Properties
Classification Temperature (°C)1100
Colorgray
Expansion Ratio (%)3583.17mm thick, at 981°C
 4143.17 mm thick, at 790°C
 4193.17mm thick, at 540°C
 863.17mm thick, at 204°C

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CMORF70125 / 203423

Specialty Compounds RTP Company

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