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Unifrax Excelfrax® 1800 Board Microporous Insulation

Category Ceramic , Oxide , Silicon Oxide
Manufacturer Unifrax I LLC
Trade Name Excelfrax®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Unifrax Excelfrax® 1800 Board Microporous Insulation.pdf
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Material Notes:
Unifrax Corporation's Excelfrax® product line, based on advanced microporous insulation technology, is a family of products which all exhibit superior insulating characteristics. Excelfrax microporous insulation is composed of inorganic oxides, primarily fumed silica. Silicates and opacifiers are added to improve the material performance. Microporous materials are very efficient insulation products. These products actually have thermal conductivity values lower than still air.Excelfrax 1800 Board is a high-temperature, rigid, microporous material specifically designed for applications where a strong, highly efficient insulating material is required. Excelfrax 1800 Board is available in thicknesses up to 2" and can be field fabricated to meet specific appliation requirements. Some typical applications for Excelfrax 1800 Board include back-up insulation in high-temperature furnaces (steel, glass, ceramic, aluminum), aluminum launders, and aluminum transfer ladles.Information Provided by Unifrax I LLC
Physical Properties Metric English Comments
Density 0.231 g/cc
0.00833 lb/in³
Mechanical Properties Metric English Comments
Compression Set 2.9 %

@Pressure 0.100 MPa
2.9 %

@Pressure 14.5 psi
Thermal Properties Metric English Comments
Specific Heat Capacity 0.800 J/g-°C

@Temperature 32.0 - 800 °C
0.191 BTU/lb-°F

@Temperature 89.6 - 1470 °F
Thermal Conductivity 0.0190 W/m-K

@Temperature 20.0 °C
0.132 BTU-in/hr-ft²-°F

@Temperature 68.0 °F
DIN 51046
0.0210 W/m-K

@Temperature 200 °C
0.146 BTU-in/hr-ft²-°F

@Temperature 392 °F
DIN 51046
0.0250 W/m-K

@Temperature 400 °C
0.174 BTU-in/hr-ft²-°F

@Temperature 752 °F
DIN 51046
0.0300 W/m-K

@Temperature 600 °C
0.208 BTU-in/hr-ft²-°F

@Temperature 1110 °F
DIN 51046
0.0380 W/m-K

@Temperature 800 °C
0.264 BTU-in/hr-ft²-°F

@Temperature 1470 °F
DIN 51046
Maximum Service Temperature, Air 1000 °C
1830 °F
Recommended Operating Temperature
Minimum Service Temperature, Air 20.0 °C
68.0 °F
Recommended Operating Temperature
Shrinkage 1.0 %

@Temperature 800 °C
1.0 %

@Temperature 1470 °F
All sides, long term
4.8 %

@Temperature 1000 °C
4.8 %

@Temperature 1830 °F
All sides, long term
0.50 %

@Temperature 1000 °C,
Time 43200 sec
0.50 %

@Temperature 1830 °F,
Time 12.0 hour
Single sided
Component Elements Properties Metric English Comments
SiC 15 %
15 %
SiO2 80 %
80 %
Descriptive Properties Value Comments
Cold Crushing Strength (MPa) 1.1
DIN 51067 / DIN 53421
Color Grey
Other Inorganics (%) 5
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