Refractory Ceramic Fiber Paper

CERMEX PR2300 RCF PAPER from Mid-Mountain Materials is a high-purity alumina-silica insulating material. The lightweight material exhibits low thermal conductivity and high strength properties. The highly uniform material has low shot content, making it suitable for application as seals and gaskets. It has also found use in other thermal barrier applications.

CERMEX PR2300-U RCF PAPER is another refractory ceramic fiber paper from Mid-Mountain Materials. This is also a lightweight, high-purity alumina-silica insulating material with low thermal conductivity and high strength properties.

CERMEX PR2300-U RCF PAPER is processed from washed fiber, thus having high uniformity and low shot content, which make it suitable for application as seals and gaskets. It can also be used in other thermal barrier applications. Figure 1 shows a refractory ceramic fiber paper from Mid-Mountain Materials.

Mid-Mountain Materials’ Refractory Ceramic Fiber Paper

Figure 1. Mid-Mountain Materials’ Refractory Ceramic Fiber Paper

Average Physical Properties

The average physical properties of CERMEX PR2300 RCF PAPER are listed as follows:

Use Limit, continuous 2300°F • 1260°C
Use Limit, maximum 2012°F • 1100°C
Density, lb/ft³ • kg/m³, nominal 12.5 • 200
Tensile Strength, psi •Mpa 43.5 • 0.3
Organics Content, % ≤ 9
Typical Chemical Analysis, %
         AL2O3 47
         SiO2 52
         Fe2O3 ≤0.5
         Na2O3 ≤0.2
Loss on Ignition, % 10
Thickness, inches • mm 0.125 • 3.175

The average physical properties of CERMEX PR2300-U RCF PAPER are listed as follows:

Use Limit, continuous 2300°F • 1260°C
Melting Point 3200°F • 1760°C
Density, lb/ft³ • kg/m³, nominal 6 - 9 • 96 - 144
Dielectric Strength 50
Thermal Conductivity
         Mean Temperature BTU-in/hr/ft2/°F • w/m °C
         500°F • 260°C 0.39 • 0.057
         800°F • 427°C 0.55 • 0.079
         1300°F • 704°C 0.87 • 0.126
         1600°F • 871°C 1.05 • 0.152
Typical Chemical Analysis, %
         AL2O3 47
         SiO2 52.62
         Fe2O3 0.18
         Others 0.03
Loss on Ignition, % 8
Thickness, inches • mm 0.03125, 0.0625, 0.125 • 0.79, 1.58, 3.175
Widths, inches • cm 12 - 24 - 36 - 48 • 30.5 - 61 - 91.4 - 122 (+/- 5%)

Tolerance is +/- 10% unless otherwise stated.

This information has been sourced, reviewed and adapted from materials provided by Mid-Mountain Materials.

For more information on this source, please visit Mid-Mountain Materials.

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