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Zircar Ceramics Uniform A1 Alumina-Silica Insulation

Category Ceramic , Oxide , Silicon Oxide
Manufacturer Zircar Ceramics
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Zircar Ceramics Uniform A1 Alumina-Silica Insulation.pdf
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Material Notes:
ZIRCAR Alumina-Silica Insulation Type "UNIFORM A"  is a family of refractory ceramic fiber based insulations with exceptional machineability and strength. They are made of specially prepared alumina-silica based refractory ceramic fibers with inorganic silica binder which is uniformly distributed to create an evenly bonded material.UNIFORM A materials contain no organic binders and produce no smoke or odor when heated. They exhibit excellent resistance to chemical attack at elevated temperatures making them useful in many varied high temperature applications. Features:Low thermal conductivityExcellent thermal shock resistanceThermal stability in applications to 1260°C.Typical Applications:Primary thermal insulation in low mass furnaces and thermal process systems operating to 1260°C (2300°F).Backup thermal insulation in furnaces and thermal process systems operating to high temperatures.Reflector tiles in infrared paper drying equipment.Launders, distribution boxes, pouring spouts, hot tops and others involving molten metal contact.Furnace and kiln flue and chimney linings.Combustion chamber liners, baffles and muffles.High temperature setters, supports and process fixtures.Electrical insulation in high temperature systems operating to 1260°C (2300°F).Thermal insulation in hot appliances.Information provided by Zircar Ceramics.
Physical Properties Metric English Comments
Density 0.240 g/cc
0.00867 lb/in³
Loss On Ignition 1.3 %

@Temperature 600 °C,
Time 3600 sec
1.3 %

@Temperature 1110 °F,
Time 1.00 hour
Mechanical Properties Metric English Comments
Modulus of Rupture 0.000450 GPa
0.0653 ksi
Parallel to Thickness
Compressive Yield Strength 0.110 MPa

@Strain 10.0 %
16.0 psi

@Strain 10.0 %
Parallel to Thickness
Thermal Properties Metric English Comments
Thermal Conductivity 0.0700 W/m-K

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

@Temperature 752 °F
ASTM C177-76
0.110 W/m-K

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

@Temperature 1470 °F
ASTM C177-76
Maximum Service Temperature, Air 1260 °C
2300 °F
Shrinkage 2.3 %

@Temperature 1000 °C,
Time 86400 sec
2.3 %

@Temperature 1830 °F,
Time 24.0 hour
Perpendicular to thickness
2.6 %

@Temperature 1000 °C,
Time 86400 sec
2.6 %

@Temperature 1830 °F,
Time 24.0 hour
Parallel to thickness
5.0 %

@Temperature 1260 °C,
Time 86400 sec
5.0 %

@Temperature 2300 °F,
Time 24.0 hour
Perpendicular to thickness
9.5 %

@Temperature 1260 °C,
Time 86400 sec
9.5 %

@Temperature 2300 °F,
Time 24.0 hour
Parallel to thickness
Component Elements Properties Metric English Comments
Al2O3 39.2 %
39.2 %
SiO2 60.7 %
60.7 %
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