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Unifrax Fiberfrax® Duraboard® HD Ceramic Fiber Board

Category Ceramic , Oxide , Aluminum Oxide , Silicon Oxide
Manufacturer Unifrax I LLC
Trade Name Fiberfrax®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Unifrax Fiberfrax® Duraboard® HD Ceramic Fiber Board.pdf
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Material Notes:
Fiberfrax® Duraboard® products are a family of rigid, high-temperature ceramic fiber boards manufactured in a wet forming process using Fiberfrax alumina-silica fibers and binders. All Duraboard products offer low thermal conductivity, high temperature stability, uniform density, and excellent resistance to thermal shock and chemical attack.Duraboard HD insulation is a high-density board product that offers the same high level of dimensional and surface uniformity as Duraboard LD insulation, but provides enhanced compressive strength and a higher modulus of rupture. This higher density is achieved through the inclusion of clay additives during the manufacturing process. Its higher strength makes Duraboard HD insulation particularly well-suited to weight load support applications such as refractory brick backup or for covering larger unsupported spans.Description: The addition of clay gives a higher density, MOR, and strength.Information Provided by Unifrax I LLC
Physical Properties Metric English Comments
Density 0.417 g/cc
0.0150 lb/in³
Nominal
Loss On Ignition 6.0 - 7.0 %
6.0 - 7.0 %
Mechanical Properties Metric English Comments
Modulus of Rupture 0.000862 GPa
0.125 ksi
Fired (24 hrs at cont. use)
0.00207 GPa
0.300 ksi
Green (typ.)
Compressive Strength 0.221 MPa
32.0 psi
15% Deformation; Fired
0.228 MPa
33.0 psi
10% Deformation; Fired
0.241 MPa
35.0 psi
5% Deformation; Fired
0.407 MPa
59.0 psi
5% Deformation; Green
0.483 MPa
70.0 psi
10% Deformation; Green
0.558 MPa
81.0 psi
15% Deformation; Green
Thermal Properties Metric English Comments
Melting Point 1760 °C
3200 °F
Maximum Service Temperature, Air 1149 °C
2100 °F
Recommended Operating Temperature
Shrinkage <= 5.0 %

@Time 86400 sec
<= 5.0 %

@Time 24.0 hour
at Recommended Operating Temperature
Electrical Properties Metric English Comments
Dielectric Strength 1.06 kV/mm
27.0 kV/in
Descriptive Properties Value Comments
Color Cream
Fiberfrax® Fibers (%) 100
Temperature Grade (°C) 1260
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