VID_20260615_100808

High-performance application-grade alumina ceramic rings. These alumina ceramic rings are a special product designed for high-performance environments, which require durability, heat resistance, and chemical stability. These rings are made of advanced ceramic materials and have superior mechanical properties compared to traditional metal components. Alumina ceramic automotive parts and alumina ceramic screws are key application areas where these rings play a crucial role in enhancing performance and extending service life. Whether used in automotive systems, industrial machinery, or precision tools, these ceramic components can provide reliable performance under extreme conditions. The key characteristics of alumina ceramic rings include extremely high hardness, resistance to wear and corrosion, and structural integrity at high temperatures. Unlike metal components that gradually deteriorate due to oxidation or thermal expansion, these ceramic rings remain stable and functional over long periods. Their non-conductivity also makes them suitable for electrical and electronic applications that require insulation. Additionally, their low weight and high strength-to-weight ratio make them highly suitable for applications in aerospace and the automotive industry. From a detailed description perspective, alumina ceramic rings are made from high-purity alumina powder and are sintered at extremely high temperatures to form a dense and uniform structure. This process ensures that the final product has a very low porosity and the highest strength. The surface of these rings is very smooth, allowing for smooth operation and reduced friction when used in moving parts. They come in various sizes and shapes to meet different design requirements, making them highly versatile in numerous applications. In terms of usage scenarios, alumina ceramic rings are commonly found in engine components such as piston rings and bearing surfaces, helping to reduce friction and improve efficiency. Alumina ceramic automotive parts are typically used in exhaust systems, turbochargers, and other high-temperature areas, where traditional materials may fail. Moreover, the term "alumina ceramic screws" is sometimes used in the fields of precision tools and medical equipment due to the advantages of this material's biocompatibility and disinfection capabilities. These rings are also used in laboratory equipment such as centrifuges and pumps, as they are crucial for chemical tolerance and durability. User evaluations consistently highlight the benefits of using alumina ceramic rings in various applications. Many users report that using these rings can improve performance, extend service life, and reduce maintenance costs compared to traditional materials. Some note that these rings perform exceptionally well in high-temperature and chemical exposure environments, maintaining shape and function without degradation. Others appreciate the lightweight nature of the product, which helps improve the energy efficiency of mechanical systems. With its unique combination of strength, heat resistance, and durability, it becomes the preferred choice for applications requiring high performance and reliability. Whether used in alumina ceramic automotive parts, alumina ceramic screws, or other specialized applications, these rings continue to prove their value in multiple industries. The versatility of these rings combined with the advantages of ceramic technology makes them a valuable asset for engineers, technicians, and professionals seeking long-term solutions.

 

AlUMINA TECH DATA

ITEM	UNIT	99.9 ALUMINA
Density	G/cm3	3.94
Bending Resistance	Mpa	500
Compressive Strength	Mpa	3300
Elasticity Modulus	Gpa	400
Shock Strength	Mpam/2	5.2
Vaporization Coefficient	M	12
Vickers Hardness	HV0.5	2000
Thermal Expansivity	10-6K-1	8.0
Conductivity	W/MK	28
Thermal Shock Resistance	AT℃	280
Maximum Service Temperature	℃	1750
20℃ Volume Resistance	Ω	≥1015
Dielectric Strength	KV/mm	30
Apparent Porosity	％	0
Permittivity	Er	10
Dielectric Loss Angle	tanδ	0.001

 

ALUMINA POWDER TECH DATA

ITEM	LS-110	LS-120	LS-130	LS-110F	LS-220	LS-210
LOI(％)	0.02	0.02	0.05	0.08	0.03	0.01
Na2O(％)	0.05	0.04	0.03	0.05	0.07	0.08
SiO2(％)	0.07	0.07	0.07	0.09	0.02	0.02
Fe2O3(％)	0.03	0.03	0.03	0.03	0.02	0.02
Al2O3(％)	99.9	99.9	99.9	99.9	99.9	99.9
average grain diameter(um)	1.7	2.1	2.2	1.1	2.7	2.9
αgrain diameter(um)	1-2	1-3	2-4	1-2	2-3	3-5
BET Surface Area(m2/g)	1.9	1.4	1.4	3.2	1.6	0.9
Pressure-induced volume density(g/cm3)*	2.22	2.27	2.31	2.29	2.22	2.32
Forming density(g/cm3)**	2.13	2.20	2.23	2.33	2.17	2.30
Sintering volume density(g/cm3)**	3.78	3.79	3.78	3.89	3.81	3.77
Line collection efficiency(％)	18.0	17.2	16.7	15.7	17.5	15.3