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Zircar Ceramics AL-25/1700 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 AL-25/1700 Alumina Insulation.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

AL-25/1700 is a rigid medium duty grade of alumina fiber board. Not as strong as SALI but capable of delivering years of service.Information provided by Zircar Ceramics.

Physical Properties	Metric	English	Comments
Density	0.440 g/cc	0.0159 lb/in³

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.00138 GPa	0.200 ksi	Parallel to Thickness
Compressive Yield Strength	0.241 MPa	35.0 psi	at 2% Consolidation, Parallel to Thickness

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.110 W/m-K @Temperature 400 °C	0.763 BTU-in/hr-ft²-°F @Temperature 752 °F	parallel to thickness; ASTM C177-76
	0.160 W/m-K @Temperature 800 °C	1.11 BTU-in/hr-ft²-°F @Temperature 1470 °F
	0.220 W/m-K @Temperature 1100 °C	1.53 BTU-in/hr-ft²-°F @Temperature 2010 °F
	0.270 W/m-K @Temperature 1650 °C	1.87 BTU-in/hr-ft²-°F @Temperature 3000 °F	Parallel to Thickness; ASTM C177-76
Maximum Service Temperature, Air	1700 °C	3090 °F	Continuous
Shrinkage	0.750 % @Temperature 1700 °C, Time 86400 sec	0.750 % @Temperature 3090 °F, Time 24.0 hour	Length & Width
	3.00 % @Temperature 1700 °C, Time 86400 sec	3.00 % @Temperature 3090 °F, Time 24.0 hour	Thickness

Component Elements Properties	Metric	English	Comments
Al2O3	80 %	80 %
SiO2	20 %	20 %

Electrical Properties	Metric	English	Comments
Dielectric Loss Index	0.010 @Frequency 2.45e+9 Hz, Temperature 1400 °C	0.010 @Frequency 2.45e+9 Hz, Temperature 2550 °F	In Microwave

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