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Zircar Ceramics ECO-20AA Alumina Insulation

Category	Ceramic , Oxide , Aluminum 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 ECO-20AA Alumina Insulation.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

ECO-20AA is most commonly utilized as hotface insulation in furnaces with hydrogen rich atmospheres such as bright annealing furnaces.Information provided by Zircar Ceramics.

Physical Properties	Metric	English	Comments
Density	0.310 g/cc	0.0112 lb/in³

Mechanical Properties	Metric	English	Comments
Flexural Strength	0.310 MPa	45.0 psi	Parallel to thickness
Compressive Yield Strength	0.110 MPa	16.0 psi	at 10% Compression, Parallel to thickness

Thermal Properties	Metric	English	Comments
Specific Heat Capacity	1.05 J/g-°C	0.250 BTU/lb-°F
Thermal Conductivity	0.0900 W/m-K @Temperature 400 °C	0.625 BTU-in/hr-ft²-°F @Temperature 752 °F	parallel to thickness; ASTM C177-76
	0.210 W/m-K @Temperature 1200 °C	1.46 BTU-in/hr-ft²-°F @Temperature 2190 °F	Parallel to Thickness; ASTM C177-76
Maximum Service Temperature, Air	1600 °C	2910 °F
Shrinkage	4.00 %	4.00 %	Sag/Distortion, 1in. x 1in. beam on 5in. span, % after 4 hrs @ 1540°C (2740°F)
	1.50 % @Temperature 1650 °C, Time 3600 sec	1.50 % @Temperature 3000 °F, Time 1.00 hour	Perpendicular to Thickness

Component Elements Properties	Metric	English	Comments
Al2O3	98 %	98 %
SiO2	2.0 %	2.0 %

Descriptive Properties	Value	Comments
Color	White

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