Product parameters

Zirconia ceramic ball

Product Overview: Yttrium stabilized zirconia beads are commonly referred to as "yttrium stabilized zirconia beads" due to their zirconia content of approximately 95%; 95 Zirconium; Or“ Pure zirconia beads;. It uses rare earth yttrium oxide as a stabilizer and uses high whiteness and high fineness raw materials to ensure that the materials are not contaminated. Size: 0.4mm~63.5mm, non-standard can be customized. Characteristics: Zirconia balls have high strength, high toughness, good wear resistance, high temperature and corrosion resistance, high stiffness, non-magnetic properties, and electrical insulation at room temperature. At 600 ℃, the strength and hardness of zirconia ceramic balls remain almost unchanged, and their thermal expansion rate is close to that of metals, making them suitable for bonding with metals. Purpose:& nbsp; High precision zirconia ceramic balls are mainly used as valve balls, all ceramic bearings, measuring balls, track balls, and fine grinding balls. They can be used in high-temperature, corrosion-resistant, insulating, non-magnetic, and non lubricated applications, and are an ideal material to replace steel balls in corrosive environments.

BPJ Characteristics of zirconia ceramic balls:

Zirconia balls have a compressive strength close to steel and good impact resistance. Therefore, zirconia balls can be used in high load working environments such as high-pressure grinding, high-speed motion transmission components, gas hydrostatic bearings, and mechanical seal parts. The main component of zirconia balls is zirconia, which does not contain iron elements. Therefore, zirconia balls are not easy to rust and have good corrosion resistance. They can be used in production fields such as catalysts and chemical reactors, as well as in corrosive environments such as the ocean and chemical industry. Zirconia balls have high temperature stability because their melting point is as high as 2700 ℃, allowing them to withstand high-temperature heat treatment. Meanwhile, zirconia balls can also maintain their excellent physical and chemical properties such as wear resistance, hardness, and compressive strength at high temperatures.

BPJ Application of zirconia ceramic balls:

Due to its excellent physical and chemical properties, zirconia balls are widely used in many industrial fields, mainly including the following aspects:

Precision abrasive: Zirconia balls have high hardness and good wear performance, and can be made into powder or grinding balls for high-precision surface treatment, polishing, cutting and other high-precision processing

The abrasive of the domain. Zirconia abrasive has uniform particle size and good surface smoothness, which can ensure the surface quality of processed parts.

Metal refining: Zirconia balls have good high-temperature stability and can be used in refining furnaces in high-temperature environments as stirring materials for fluids. In addition, zirconia balls can also be used as nozzles in steel production to control fluid flow.

Catalyst: Zirconia spheres have excellent interactive catalytic effects in chemical reactions. Therefore, it can be used as a catalyst medium in different environments. For example, nitrogen dioxide reduction reaction, nitrous oxide reduction reaction, methane catalyst, etc.

Steel production: Zirconia balls, as additives in steel intermediate alloys, can improve the physical and mechanical properties such as hardness and toughness of steel. This material can also be used as a medium for adjusting the diameter of steel billets to meet technical requirements.

Insulation material: Zirconia balls also have strong insulation properties and can be used to manufacture high-voltage insulation parts.

Silicon nitride ceramic ball

Silicon nitride ceramic ball Si3N4; Size: 0.4~80mm; Product Overview:& nbsp; Silicon nitride ceramics are precision ceramics sintered at high temperatures in a non oxidizing environment. It has high strength, high wear resistance, high temperature resistance, corrosion resistance, acid and alkali resistance, and can be used in seawater for a long time. And it has good performance in terms of electrical and magnetic insulation. At 800 ℃, the strength and hardness remain almost unchanged. Its density is 3.20g/cm3, and its weight is almost one-third of that of bearing steel. During rotation, the centrifugal force is small, allowing for high-speed operation. It also has self-lubricating properties and can be used in high pollution environments without lubricating media, making it the preferred material for ceramic bearings and hybrid ceramic bearings. Application: Silicon nitride ceramic balls can be used for high-speed bearings, precision bearings, vacuum bearings, high/low temperature bearings, non-magnetic bearings, precision ball screws, and can also be used as valve balls, measuring balls, etc. in chemical pumps, high-temperature pumps, and metering pumps.

BPJ Material characteristics of silicon nitride ceramic balls:

Wear resistance: Silicon nitride ceramic balls have excellent wear resistance, making them suitable for applications that require high wear resistance;

Fracture toughness: Silicon nitride ceramic balls have good fracture toughness, which enables them to resist crack propagation and failure;

Thermal stability: Silicon nitride ceramic balls have excellent thermal stability, making them suitable for applications involving high temperatures;

Corrosion resistance: Silicon nitride ceramic balls have excellent corrosion resistance, making them suitable for applications exposed to harsh environments;

BPJ Application of silicon nitride ceramic balls:

Bearings: Silicon nitride ceramic balls are widely used in bearings due to their high strength, wear resistance, and low friction;

Gears: Silicon nitride ceramic balls are used for gears due to their high strength, wear resistance, and thermal stability;

Wear resistant parts: Silicon nitride ceramic balls are used for wear-resistant parts due to their high wear resistance and thermal stability;

Heat exchanger: Silicon nitride ceramic balls are used in heat exchangers due to their high thermal conductivity and stability;

Aerospace: Silicon nitride ceramic balls are used in aerospace applications due to their high strength, low weight, and excellent thermal properties;

Automobiles: Silicon nitride ceramic balls are used in the automotive industry due to their high strength, wear resistance, and thermal stability;

Energy: Silicon nitride ceramic balls are used in the energy industry due to their high thermal conductivity and stability.

Aluminum oxide ceramic ball

Alumina ceramic balls; Alumina content≥ 99.5%, pale yellow in color. Size: 1.588mm~63.5mm, non-standard can be customized. Compared with steel balls, the main advantage of alumina ceramic balls is that they are 50% lighter than steel balls, reducing the centrifugal force, crushing, and wear on the channel caused by accelerated bearing operation; Low friction coefficient and excellent rotational flexibility; High temperature resistance, with a usage temperature of up to 1850 ℃; Oil free self-lubricating; More resistant to chemical corrosion than steel; No metal pollution; Non-magnetic; Electrical insulation; Usage: Suitable for various harsh environments such as pumps, valves, flow meters, ceramic bearings, mechanical valves, chemical machinery, medical equipment, synthetic fiber manufacturing equipment, optical film equipment, various heat treatment furnaces, vacuum equipment, etc. The toughness of alumina ceramics is relatively low, and compared to silicon nitride balls, alumina is more suitable for applications with lower cost requirements.

BPJ Characteristics of alumina ceramic balls:

High wear resistance: Alumina ceramic balls are known for their excellent wear resistance, which can resist the impact and wear of high-speed fluids and particles. Its surface is delicate and smooth, significantly reducing wear and ensuring long-term durability.

High temperature resistance: In high temperature environments, alumina ceramic balls can still maintain stable physical and chemical properties without melting or deformation. This makes it shine in high-temperature applications such as aerospace.

High temperature resistance: In high temperature environments, alumina ceramic balls can still maintain stable physical and chemical properties and will not melt or deform. This makes it shine in high-temperature applications such as aerospace.

High hardness: The hardness of alumina ceramic balls far exceeds that of other materials, making them less susceptible to damage in high-speed rotating or vibrating equipment.

High compressive strength: This ceramic ball has excellent compressive strength, is not easily broken or shattered, and can withstand significant pressure.

Good thermal stability: Alumina ceramic balls can withstand high temperature environments, are not easily deformed or melted, and maintain their original shape and properties.

BPJ Application of alumina ceramic balls:

Catalyst support and tower packing: In the reactor, it is used as a covering support material and tower packing for the catalyst, improving reaction efficiency by increasing the distribution points of gas or liquid, and protecting active catalysts with lower strength.

Grinding medium: widely used in fine grinding equipment such as ball mills and vibration mills, for grinding ores, slurries, wear-resistant materials, as well as powders such as coatings and paints. Its excellent wear resistance and roundness enable it to avoid scratches during the polishing process and make more thorough contact with the polished object.

In addition, alumina ceramic balls are widely used in various industries such as petrochemicals, building and sanitary ceramics, non-metallic minerals, steel, electronics, etc.