Precision Ceramic
Company advantages
Our certificate
It has more than 40 trademark patent certificates and more than 20 QC certificates, such as ISO 9001, CE, SGS.
Advanced equipment
The factory has 6 ultra-high-precision machines for drilling and grooving products, and has 4 high-precision surface grinders and other high-end ultra-precision equipment.
Professional team
We have the technology and industry expertise to develop solutions that connect people and businesses across a variety of mobile devices.
Rich experience
Founded in 1998, it is mainly engaged in the processing and casting of precision mechanical metal parts and has 20 years of experience in the manufacturing industry.
Precision ceramics, also named advanced ceramics, are products made from high purity inorganic compounds with developed workmanship. Through specific processes and strict control of ingredients, precision ceramics enjoy natural bright surfaces and exact sizes. With high-temperature sintering, precision ceramics gain qualities such as high strength, toughness, stiffness, and anti-corrosion. Their special structures and chemical compositions gift precision ceramics diverse functions, like conduction, insulation, magnetism, permeability and other combined functions. Precision ceramics can work as semiconductors and play an important role in chemical and biological products.
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![Precision Ceramic Air Bearing]()
Precision Ceramic Air BearingUNPARALLELED produces ceramic components using high-quality AlO ceramic, SiC, SiN... tailor made to customer's specifications, with drills, slots, metallic inserts or precision guide rails if...read more -
![Precision Ceramic Square Tube]()
Precision Ceramic Square TubeThese components are typical of precision ceramic structural elements used in semiconductor handling systems, CMM (Coordinate Measuring Machine) frames, and high-end optical inspection platforms....read more -
![Precision Ceramic Square Gauge]()
Precision Ceramic Square GaugeThe image displays a precision ceramic square gauge, manufactured by UNPARALLELED Group. This is a high-accuracy reference tool used in metrology and precision assembly.read more -
![Precision White Ceramic]()
Precision White CeramicProduct Overview In the relentless pursuit of ultra-precision, rotary systems-such as those found in advanced semiconductor equipment, optical inspection devices (AOI), and specialized measuring...read more -
![Precision Ceramic Tooling Plate]()
Precision Ceramic Tooling PlateWhen it comes to measuring the smallest of features - like microchip geometries or precision tooling profiles - even a fraction of a micron can make the difference between success and failure....read more -
![Precision Granite Machine Beam]()
Precision Granite Machine BeamMaterial: Premium Jinan Black Graniteread more
Flatness Tolerance: Up to 0.001 mm depending on application
Surface Finish: Hand-lapped precision finish
Customization: Drilling,... -
![High Precision Granite Surface Plate]()
High Precision Granite Surface Plate✔ Premium Black Granite – High density, wear-resistant, corrosion-proofread more
✔ Accurate & Stable – Manufactured to DIN/JIS/GB standards for long-term accuracy
✔ Wide Applications –... -
![Ultra-High Precision Ceramic Guide For CMM Machines]()
Ultra-High Precision Ceramic Guide For CMM MachinesPrecision Cermic Guides (PCG) have revolutionized the ability of machines, mechatronics systems and precision automation equipment, to move with great accuracy and repeatability over long...read more -
![Ultra-High Precision Ceramic Guide With 1um]()
Ultra-High Precision Ceramic Guide With 1umCeramic air floats are widely used inprecision industries such as metrology, semiconductor equipment, calibration and measuring, including surface finishing operations, as well as fluid processes...read more -
![Ultra-high Precision Ceramic Air Floating SiC, SiN,AlO Ceramic]()
Ultra-high Precision Ceramic Air Floating SiC, SiN,AlO Ce...Ceramic air floats are widely used inprecision industries such as metrology, semiconductor equipment, calibration and measuring, including surface finishing operations, as well as fluid processes...read more -
![Ceramic Mechanical Components Made By SiC]()
Ceramic Mechanical Components Made By SiCThis ceramic component is made by SiC ceramic. UNPARALLELED produces ceramic components using high-quality AlO ceramic, SiC, SiN... tailor made to customer's specifications, with drills, slots,...read more
Benefits of Precision Ceramic
High hardness of precision ceramics
One of the most common properties of precision ceramics is their extremely high hardness (and stiffness)—some more than four times that of stainless steel. This high hardness translates directly into excellent wear resistance, meaning many technical ceramics are able to retain their precise, high-tolerance finish longer than any other material.
Compressive strength of precision ceramics
Precision ceramics are very strong, but only when compressed. For example, many precision ceramic materials can withstand extremely high loads of 1000 to 4000MPa. Titanium, on the other hand, is considered a very strong metal, with a compressive strength of only 1000MPa.
Low density of precision ceramics
Another common characteristic of precision ceramics is their low density, ranging from 2 to 6 g/cc. This is significantly lighter than stainless steel (8g/cc) and titanium (4.5g/cc), with only the softer aluminum having a similar density. Due to their high hardness and low weight, precision ceramics are increasingly used in applications across a variety of industries, and other materials cannot match their performance and long life.
Wear resistance of precision ceramics
Many precision ceramics are able to withstand incredibly high temperatures while still maintaining their mechanical and electrical properties. Where all metals and polymers will begin to compromise their performance, precision ceramics will continue to perform with consistent performance and reliability. This property makes ceramics suitable for high-temperature applications such as furnaces, jet engines, braking systems and cutting tools.
Electrical properties of precision ceramics
Precision ceramics tend to be excellent electrical insulators (high dielectric strength). They are particularly useful in high-temperature applications where the mechanical and thermal properties of other materials tend to degrade. Some ceramics have low electrical losses and high dielectric constants; these are commonly used in electronic applications such as capacitors and resonators. Additionally, the ability to combine insulators with structural components has led to many product innovations.
High temperature resistance of precision ceramics
Precision ceramics can perform without metal (or almost any other material) to maintain their properties. Some ceramics can operate at temperatures in excess of 1750 degrees Celsius, classifying them as ultra-high temperature materials. These ceramics have proven invaluable in high-temperature applications such as engines, turbines and bearings, where they increase service life, performance and efficiency.
Differences between Precision Ceramics and Traditional Ceramics
Different raw materials
Traditional ceramics use natural minerals without processing, such as clay, quartz, feldspar and so on. However, the raw materials of precision ceramics are synthetic high-quality powders, which is a breakthrough in traditional ceramic clay. The “well-selected raw materials” endow precision ceramics with more good qualities and functions.
Different structures
The structure of traditional ceramic is decided by the composition of the clay. The ceramics from different origins have various textures. Because of the use of different raw materials, traditional ceramics tend to have more complicated chemical structures and compositions. Besides, traditional ceramic has more impurities both in type and quantity. The microstructure of traditional ceramics is not even with multiple pores. Therefore, it's harder to control the quality of traditional ceramic products. The chemical structures of precision ceramics are simple and clear with high purity. Moreover, precision ceramics are made from manually calculated ingredients, which means the raw materials are under control. Therefore, the microstructure of advanced ceramics is generally uniform and fine.
Different manufacturing processes
The minerals for traditional ceramics can be directly used for wet moldings, such as plastic molding of mud or grouting molding of the slurry. The products need no more processing after sintering with the temperature between 1652℉ to 2552℉. However, dry molding and wet molding can only be suitable for precision ceramics when organic additions are added to the raw materials of high-purity powders. Precision ceramics still need more processing after firing under a higher sintering temperature, from 2192℉ to 3992℉according to different materials. From the perspective of preparation procedures, precision ceramics overcome the limits of traditional ceramics. Moreover, there are many advanced technologies used in precision ceramics, such as vacuum sintering, protective atmosphere sintering, hot pressing, hot and high-temperature isostatic pressing, and so on.
Different Functions
With the above differences, traditional ceramics and precision ceramics own different functions. Precision ceramics have better performances in quality as well as new applications that traditional ones don't have. Traditional ceramic materials are mainly produced for daily use or work as building materials. While precision ceramics have multiple physical and mechanical properties, such as high strength, high hardness, wear resistance, corrosion resistance, high-temperature resistance, and thermal shock resistance. Besides, precision ceramics also have great potential for usage in heat, light, sound, electricity, magnetism, chemistry, biology and other aspects.
Application of Precision Ceramic
IT
Precision ceramics are widely used in the electronics industry due to their good insulation, high reliability, low dielectric constant and low dielectric loss. Mainly used in the manufacturing process of semiconductor materials, integrated circuits, magnetic heads, precision resistors, capacitors and other devices, as well as in high-density circuit boards and other fields.
Medical industry
In the medical industry, precision ceramics have extremely high biocompatibility and low thermal conductivity, so they are widely used in artificial bones, teeth, joints, ear, nose and throat instruments, stem cell culture media, intraocular lenses and other fields.
Aerospace and defense industry
Precision ceramics have excellent high-temperature oxidation resistance and corrosion resistance and are widely used in the aerospace and defense industries. Mainly used in high-temperature propellant nozzles, high-speed aircraft surface materials, engine components and other fields.
Machinery Industry
Precision ceramics have very high hardness and strength and can withstand high load, high speed and high temperature working environments, so they are also widely used in the machinery industry. Mainly used in high-pressure oil pump accessories, machine seals, cutting tools, bearings and other fields.
Ceramic Engine
The higher the combustion temperature in the engine, the greater the power generated, and the higher the fuel efficiency. Materials such as silicon nitride ceramics, zirconia ceramics, and silicon carbide ceramics have super high temperature resistance characteristics and do not require complex cooling systems. Compared with metal, the ceramic engine is small in size and light in weight. Its thermal efficiency can reach about 50%, which can save more than 20% of fuel than metal engines, which is environmentally friendly and energy-saving.
Ceramic sensor
Functional ceramics with specific properties such as insulation, dielectric, semiconductivity, piezoelectricity, and magnetic permeability are increasingly used in automotive multi-control sensitive components. There are temperature sensors, air-fuel ratio sensors, lean air-fuel sensors, exhaust gas sensors, knock sensors, etc.
Ceramic brake disc
Ceramic brake discs are made of reinforced composite ceramics synthesized by carbon fiber and silicon carbide at high temperatures. Ceramic brake discs are cleaner and more durable, have good quietness, high temperature resistance, high friction coefficient, good braking effect, and will not increase the brake disc's damage. Worn, but the price is higher.
Ceramic catalytic converter carrier
In the automobile catalytic converter, cordierite honeycomb ceramic is used as the catalyst carrier. The honeycomb ceramic carrier has a porous, thin structure, high temperature resistance, high strength, and light weight.
Ceramic filter
Ceramics can be used in automotive diesel particulate filters. The porosity of the material is selected during processing, which can make the filtration efficiency as high as 90% or more, and at the same time, it can reduce the cost.
Ceramic bearings
Ceramic bearings are mainly made of silicon nitride ceramics or oxide ceramics, which have the characteristics of high temperature resistance, wear resistance, corrosion resistance, insulation, low lubrication and cooling requirements, and long service life.
How Did High-Tech Precision Ceramics Come Into Being?
High-tech precision ceramics have come a long way since their inception. Initially developed in the early 2000s by Chanel, these high-temperature hard ceramics were created by adding precious metals like titanium and iridium to natural mineral powders of zirconium dioxide and yttrium. These materials were then roasted at over 1000 degrees Celsius, subjected to rigorous testing and machine polishing, resulting in a unique high-tech precision ceramic with superior hardness and temperature resistance.
One of the most significant advantages of high-tech precision ceramics is that they can be manufactured in different colors, making them versatile for use in various applications. In addition to their aesthetic appeal, high-tech precision ceramics are also known for their excellent properties, such as lightweight, high hardness, non-wear, non-fading, and comfort, among others. These characteristics make high-tech precision ceramics a favorite among consumers and manufacturers alike.
Physical and chemical properties
According to application requirements, select ceramic materials with corresponding physical and chemical properties. For example, if a material with high heat and corrosion resistance is required, silicon nitride (Si3N4) or silicon carbide (SiC) might be chosen. If the application requires high electrical insulation or a material with low high-frequency losses, aluminum oxide (Al2O3) or zirconium oxide (ZrO2) may be a better choice.
Mechanical strength and hardness
Different precision ceramics have different mechanical strength and hardness. For example, aluminum nitride (AlN) is suitable for applications requiring heat dissipation due to its high thermal conductivity.
Thermal expansion coefficient
The thermal expansion coefficient of a material determines its stability when temperature changes. Some applications may require materials with a low coefficient of thermal expansion to remain dimensionally stable, such as mullite.
Processing performance
Considering the subsequent processing steps, it is also important to choose ceramic materials that are easy to process. Some materials may be more suitable for precision machining, while others may require special machining techniques.
Cost and manufacturability
Cost is an important consideration, along with material manufacturability. Sometimes, more economical, customized production can be achieved using advanced manufacturing technologies such as 3D printing.
Environmental impact
When selecting appropriate materials, their impact on the environment should also be considered, including environmental friendliness during production and use.
Compatibility
Material compatibility is also an important consideration if ceramic parts are to be used in combination with other materials such as metals or plastics. For example, certain ceramic materials may be better suited for welding or bonding with certain metals.
Supplier’s technical capabilities
It is also very important to choose experienced and technically capable suppliers who can provide professional consulting and customized solutions to ensure that the final product can meet specific performance requirements.
Precision Ceramic Types With Different Characteristics
Alumina
This is a material widely used as a representative of precision ceramics.
The material has excellent mechanical strength, electrical insulation, high frequency losses, thermal conductivity, heat resistance, wear resistance and corrosion resistance. Sapphire is a single crystal of aluminum oxide.
Zirconia
This is a precision ceramic with high strength and toughness. It can also be applied to knives (scissors, kitchen knives, etc.) that were impossible in the past. Single crystals have a high refractive index and can sparkle like diamonds, so they are also used in jewelry.
Silicon nitride
The material has excellent toughness and thermal shock resistance at high temperatures, is lightweight, and has high corrosion resistance, making it ideal for engine components.
Barium titanate
This material has a high dielectric constant in precision ceramics and has excellent electricity storage properties, so it is mainly used as a material for capacitor parts. The dielectric properties can change dramatically depending on the added elements.
Powder synthesis and processing
Resolve resolution:Including chemical synthesis, physical synthesis, etc., the purpose is to prepare powder with high purity and uniform particle size distribution.Powder handling:Improve the fluidity and dispersion of powder through ball milling, spray drying and other means.
Forming
Dry press molding:Suitable for parts with simple shapes and high dimensional accuracy requirements.Grouting:Suitable for parts with complex shapes and low dimensional accuracy requirements.injection molding:Similar to plastic injection molding, it is suitable for small and medium-sized parts with complex shapes and high precision.3D printing:It is an additive manufacturing technology that can manufacture ceramic parts with complex structures.
Sintering
High temperature sintering:Ceramic particles are bonded by high-temperature heating to form a dense structure.Hot isostatic pressing sintering: performed under high temperature and high pressure, high-density ceramic parts can be obtained.
Subsequent processing
Sintered ceramic parts may need to be ground, polished, etc. to achieve the size and surface finish required by the design.
Quality inspection
Use various testing equipment, such as X-ray diffraction, scanning electron microscope, etc., to detect the density, structure, surface defects, etc. of ceramic parts.
How to Maintain Precision Ceramic
Storage environment
Precision ceramics should be stored in a dry, ventilated, and non-corrosive gas environment. Avoid humid environments, because although precision ceramics have certain water resistance, long-term exposure to humid environments will cause their performance to decline. At the same time, avoid contact with corrosive substances, such as acids, alkalis, etc., to prevent corrosion.
Transportation and handling
When transporting and handling precision ceramics, care should be taken to avoid strong vibrations and impacts, because precision ceramics are brittle and strong vibrations and impacts can easily cause damage. It is recommended to use soft materials for packaging and handle with care during transportation.
Cleaning and maintenance
Precision ceramics should be cleaned and maintained regularly during use. When cleaning, you can use clean water and neutral detergent to wipe it, and then wipe it dry with a clean cloth. Avoid using cleaning agents containing corrosive ingredients such as acids and alkalis to avoid damaging precision ceramics.
Avoid high temperatures
Although precision ceramics have high temperature resistance, their high temperature resistance has certain limits. In high-temperature environments, the performance of precision ceramics will be affected, so in practical applications, long-term high-temperature operations should be avoided. When precision ceramic components need to withstand high temperatures, appropriate cooling measures should be taken to reduce their temperature.
Avoid mechanical damage
Precision ceramics have high hardness and high wear resistance, but mechanical damage still needs to be avoided during processing and use. When installing and disassembling precision ceramic components, appropriate tools should be used and avoid using excessively hard tools or excessive force to avoid damaging the precision ceramics.
Periodic inspection
During the use of precision ceramics, regular inspections should be carried out to observe whether there are cracks, breakage and other defects on the surface. Once defects are discovered, they should be replaced or repaired in time to prevent them from affecting the performance and safety of the overall equipment.
Opportunities in the precision ceramics market are vast and extend across multiple industries. In the electronics sector, the demand for precision ceramics is driven by their use in semiconductor manufacturing, electronic components, and high-performance devices. The aerospace industry benefits from precision ceramics in applications such as aircraft engines, where their lightweight nature, high temperature resistance, and mechanical strength contribute to enhanced efficiency and durability. In healthcare, precision ceramics are utilized in medical implants and diagnostic equipment, capitalizing on their biocompatibility and reliability
Our Factory
UNPARALLELED started in 1998, and UNPARALLELED is mainly engaged in the processing and casting of precision machinery metal parts. Later, in 1999, it began to research and produce high -precision granite components and precision granite measuring tools. In 2003, UNPARALLELED began to develop and produce precision ceramic components, Ceramic measuring tools and mineral casting (also known as artificial granite, resin concrete, resin granite components, etc.). UNPARALLELED is a benchmark in the precision manufacturing industry. It can be said that the "UNPARALLELED" is already synonymous with the most advanced ultra -high precision manufacturing.
Our certificate
FAQ
UNPARALLELED LTD is one of the most professional precision ceramic manufacturers and suppliers in China, featured by advanced products and good service. Please rest assured to buy custom made precision ceramic at competitive price from our factory.
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