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Alumina ceramic tube

Product No.：201881152556
Type：Alumina ceramic
Feature：High insulation
Material：99.5% alumina ceramic
Colour：Ivory white
Production Process：Dry pressing / high temperature sintering / precision machining / surface polishing
Detail：Alumina ceramic is a wear-resistant advanced technology industrial ceramic material
MOQ：10pcs
Brand：Seamaek
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What is alumina ceramic?

Aluminium Oxide, Al2O3 is a major engineering material. It offers a combination of good mechanical properties and electrical properties leading to a wide range of applications.
Alumina can be produced in a range of purities with additives designed to enhance properties.

Alumina can take temperatures up to 1650°C, having extremely high temperature stability, chemical corrosion resistance, and high wear and abrasion resistance.

Seamark Alumina ceramic advantages :

• Cost-effective technique for complex designs

• Ability to produce net or near-net shape parts

• Very tight tolerance control

• Low-cost, high-volume manufacturing runs

• Complex ceramic parts can be manufactured easily and reliably

• High degree of automation

• Wide range of shapes

• Near-net-shape manufacturing

• Good mechanical properties

Typical properties for common materials of alumina plates

Composition	UNIT	Alumina 95%	Alumina 99.5%	Alumina 99.8%
AL2O3 content	%	96	99.5	99.8
Color		White	Ivory	Ivory
Tensile strength	Kpsi	32	38	36
Flexural strength	Kpsi	52	55	54
Compressive strength	Kpsi	300	377	350
Density	g/cc	3.70	3.90	3.92
Hardness	HV, GPa	13.8	17.2	18
Thermal Conductivity	W/(m K)	25	30	30
Coefficient of thermal expansion	In / In°C (x10^-6)	7.7	7.8	7.8
Working temperature	°C	1500	1650	1750
Dielectric Constant		9.5	9.7	9.8
Volume Resistivity (25°C)	Ohm-cm	>10^14	>10^14	>10^14

This chart just demonstrates the typical properties of common alumina materials we use to produce our alumina parts. Please notice that the property for customized alumina parts could vary due to different process.

Seamark ceramic could provide alumina products produced under your specified instruction, or do the best to meet customers’ requirements.

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