Alumina Ceramics (Al2O3)

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Multi-bore Alumina (Al2O3) Ceramic Tube

Name: Multi-bore Alumina (Al2O3) Ceramic Tube
Brand: Heeger Materials Inc
SKU: HM1987

Reference: HM1987

Condition: New product

Multi-bore Alumina (Al2O3) Ceramic Tube is made of high-purity alumina material and processed through high-temperature sintering, offering high hardness, mechanical strength, temperature stability, thermal conductivity, insulation, and corrosion resistance. Heeger Materials provides top-quality Multi-bore Al2O3 Ceramic tubes at competitive prices, offering specialized and customized services.

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Please contact us if you need customized services. We will contact you with the price and availability in 24 hours.

Data sheet

Materials	Al2O3
Purity	95%, 99%, 99.7%, or customized
Size	Per request or drawing

More info

Multi-bore Alumina (Al2O3) Ceramic Tube is a ceramic material with high thermal conductivity, compressive strength, and thermal shock resistance. Additionally, alumina ceramic has a low coefficient of thermal expansion, making it an ideal material for various furnace applications in crucibles, tubes, and thermocouple sheaths.

Multi-bore Alumina (Al2O3) Ceramic Tube

Multi-bore Alumina (Al2O3) Ceramic Tube Specifications

Composition	UNIT	HM-Al95	HM-Al99	HM-Al997
AL2O3 Content	%	95	99	99.7
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	>10¹⁴	>10¹⁴	>10¹⁴

*Customized services can be available according to specific drawings.

Multi-bore Alumina (Al2O3) Ceramic Tube Advantages

High-temperature resistance
Good gear resistance
Good corrosion resistance
High hardness
Low thermal expansion
Low friction coefficient

Multi-bore Alumina (Al2O3) Ceramic Tube Applications

Used as crucibles, thermocouple protection tubes, and furnace components in high-temperature processes such as heat treatment, sintering, and annealing.
Used in semiconductor manufacturing processes, such as chemical vapor deposition (CVD) and atomic layer deposition (ALD), where precise control of temperature and chemical compatibility is crucial.
Used in analytical instruments, such as gas chromatography and mass spectrometry systems, as capillary columns for separation and analysis of gases and liquids.
Used in metallurgical processes, including metal casting, foundries, and metal extraction.
Used as catalyst supports, porous membranes, and tubes for chemical reactors.

Multi-bore Alumina (Al2O3) Ceramic Tube Packing

Muti-bore Alumina (Al2O3) Ceramic Tube is carefully packaged with adhesive-free surface protection tape and cardboard boxes to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.

Multi-bore Aluminua (Al2O3) Ceramic Tube Packing

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