Aluminium oxide porcelain rods, 95 porcelain, 99 porcelain, porcelain tubes, threaded tubes.

Very good electrical insulation.
Moderate to extremely high mechanical strength.
Very high compressive strength.
High hardness.
Moderate thermal conductivity.
High corrosion and wear resistance.
Good gliding properties.
Low density.
Operating temperature without mechanical load 1,000 to 1,700°C.
Bioinert and food compatible.

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Model:
01032
Brand:
HaoRui
Code:
custom01001

Product Description

The Most Well-known Oxide Ceramic Material

Aluminum Oxide (Al2O3)

Aluminium Oxide Porcelain Rods:

Composition:These rods are made of a ceramic material primarily composed of aluminium oxide (Al2O3), also known as alumina.
Properties: They possess exceptional strength, hardness, and resistance to high temperatures, making them suitable for various industrial applications.
Applications:Aluminium oxide porcelain rods are commonly used in high-temperature environments, such as in kilns, furnaces, and other industrial heating processes. They serve as structural components, insulators, and supports due to their ability to withstand extreme heat and maintain their integrity.

It is commonly used in various industrial applications such as furnace tubes, thermocouple protection tubes, and insulators. The ceramic tube's excellent mechanical strength and electrical insulation properties make it ideal for harsh environments where high temperatures and chemical exposure are present. Additionally, its ability to withstand extreme conditions while maintaining dimensional stability ensures long-lasting performance.

Overall, aluminum oxide ceramic tube is a reliable and cost-effective solution for demanding applications in industries such as aerospace, automotive, and electronics.

Any dimension requirement, please contact us.

Properties of Alumina/Aluminum Oxide (Al2O3)

Property	Item	95% Al2O3	99% Al2O3	99.8%Al2O3	Unit
Mechanical Characteristics	Color	White	light yellow	Ivory
	Bulk Density	3.7	3.85	3.93	g/cm³
	Water Absorption	0	0	0	%
	Bending Strength	300	310	370	MPa
	Compressive Trength	2,300	2,400	2500	MPa
	Elastic Modulus	320	340	390	GPa
	Fracture Toughness	3~4	3~4	4	MPa m^1/2
	Weber Coefficient	12	12	12	m
	Vickers Hardness	1,400	1,600	1850	HV 0.5
Thermal Characterics	Coefficient of Line Thermal Expansion	7~8	7~8	7~8	10^-6 K^-1
	Thermal Conductivity	20	29	32	W/mK
	Thermal Shock Resistance (Put in Water)	250	200	280	ΔT °C
	Max Working Temperature	1,500	1,600	1700	°C
Electrical Characteristics	Volume Resistance At 20°C	>10¹⁴	>10¹⁴	>10¹⁴	Ωcm
	Dielectric Strength	15×10⁶	15×10⁶	15×10⁶	V/m
	Dielectric Constant	9	10	10	εr
	One MHZ Dielectric Loss Angle at 20°C	0.0004	0.0002	0.0001	tanδ
Chemical Characteristics	Nitric Acid (60%) 90°C	0.1	0.1	0.05	24H WT Loss mg/cm²
	Sulphuric Acid (95%) 95°C	0.3	0.34	0.22
	Caustic Soda (30%) 80°C	0.9	0.95	0.04