99.7 Alumina ceramic - 99.7% High Purity Alumina Ceramics

Alumina Ceramic Parameters

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99.7 Alumina ceramic

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99.7 alumina ceramics is a kind of ceramic material with AL2O3 as the main body.For thick film integrated circuits.Alumina ceramics have good conductivity, mechanical strength and high temperature resistance.It is important to note that the need for ultrasonic washing.Alumina ceramics are widely used ceramics.Because of its superior performance, the application in modern society has been more and more extensive, to meet the needs of daily use and special performance.

Performance parameters of alumina ceramics
Type	Unit	99.7ceramic
Alumina content	%	99.7
Density	g/cm3	3.94
Color	-	-
Water absorption	%	0
Young's modulus	Gpa	357
Webster Hardness	Gpa	24
Compressive strength	Mpa	2554
Flexural Strength	Mpa	313
Thermal conductivity	W/m.k	33-38
Thermal shock resistant strength	△（℃）	223
Maximum usage temperature	℃	1760
Volumetric resistivity	Ω.cm	＞10∧14
Dielectric constant	-	9.84
Dielectric strength	KV/mm	23.4

Properties of Alumina/Aluminum Oxide (Al2O3)
1.Very good electrical insulation (1x1014 to 1x1015 Ωcm)
2.Moderate to extremely high mechanical strength (300 to 630 MPa)
3.Very high compressive strength (2,000 to 4,000 MPa)
4.High hardness (15 to 19 GPa)
5.Moderate thermal conductivity (20 to 30 W/mK)
6.High corrosion and wear resistance
7.Good gliding properties
8.Low density (3.75 to 3.9 g/cm3)
9.Operating temperature without mechanical load 1,000 to 1,500°C.
10.Bioinert and food compatible

Products and Aplications
– Pieces, Plates, Boards, Trays, etc. in Alumina-Ceramic / Cordierite-Mullite
– Tubes, Rods, Rollers, Supports, etc. in Alumina-Ceramic / Cordierite-Mullite
– Protection, Thermocouples, Insulation, etc. in Alumina-Ceramic / Cordierite-Mullite
– Pieces, Plates, Tubes, Rods, Rollers, etc. in Zirconium Oxide
– others

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