Multi-bore Alumina Tubes

OD: 1~100 mm

SKU: O13-MBT

Multi-Bore Alumina Tubes and Porous Alumina Ceramic Tubes for High-Performance Industrial Applications

Multi-bore alumina tubes and porous alumina ceramic tubes are engineered from high-purity aluminum oxide (Al₂O₃), one of the most widely used advanced ceramic materials in the industry. Known for their exceptional electrical insulation, high chemical resistance, and low thermal expansion, alumina ceramics have become a staple in applications requiring precision, reliability, and durability under extreme conditions.

These multi-channel alumina tubes are commonly used in demanding technologies such as chemical vapor deposition (CVD), ion implantation systems, photolithography equipment, and semiconductor fabrication. Their ability to maintain structural integrity in high-temperature and corrosive environments makes them ideal for these high-tech processes.

Beyond the electronics and semiconductor fields, A lumina ceramic tubes are essential components in a variety of industrial applications. Their high heat resistance and wear durability make them suitable for use in furnaces, heat exchangers, laser systems, and corona treatment devices. Industries ranging from aerospace and metallurgy to medical and environmental engineering rely on alumina tubes for long-lasting, stable performance in harsh operating environments.

Specifications of Typical Alumina Ceramics

Item	Unit	Al2O3
Physical Property
Color	\	Ivory
Density	g/cm3	3.7-3.9
Purity	%	95~99.8
Gas Permeability	\	0
Water Absorption		0%
Mechanical Properties
Vickers Hardness	GPa	12.3-17.2
Flexural Strength	MPa	300-380
Compressive Strength (HV0.5)	MPa	2000-2350
Elastic modulus	GPa	270-380
Fracture Toughness	MPam^1/2	3.5-4
Thermal Properties
The Max Working Temperature	℃	1650
Thermal Conductivity at room temperature	W/m·k	20-32
Coefficient of Thermal Expansion	10-6/℃	6.5-7.2
Thermal Shock Resistance	△T℃	200
Electrical Properties
Dielectric Strength	KV/mm	10-15
Dielectric Constant		9-10
Dielectric Loss Angle(1MHz)		0.0002-0.0003
Volume Resistivity	Ω·cm	>10¹⁴

The above chart illustrates the typical properties of the common alumina ceramic used to produce our alumina parts. Please note that the properties of customized alumina parts vary due to different processing. Edgetech Industries, Advanced Ceramics Division, provides alumina products according to your specified instructions or does its best to meet requirements.

Multi-bore Alumina Tube (Porous Ceramic Tubes) Application

-Spare parts for pan-semiconductor equipment (manufacturing equipment such as LCD and LED)

-Insulation

-Wear parts

-General machinery, hydraulic components

-Used as injector tubes, gas nozzles, and insulators.

-High-temperature situations & a protector for high-temperature thermal couples.

Packaging and Shipping of Multi-Bore Alumina Ceramic Tubes

Due to the inherently brittle nature of technical ceramics, multi-bore alumina tubes require meticulous packaging to ensure they arrive in perfect condition. At Edgetech Industries, we take great care in handling and packaging our alumina ceramic tubes to prevent breakage or damage during transit and storage.

Each tube is individually cushioned using high-quality protective materials to absorb shock and vibration. The tubes are then securely placed in durable outer cartons or wooden crates designed to withstand long-distance shipping. For added protection, vacuum sealing is used for certain components, particularly those with complex geometries or critical performance requirements. This careful approach to packing not only ensures product integrity but also reflects our commitment to quality and customer satisfaction.