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  • Non-Standard Alumina Ceramic Bushing
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    Non-Standard Alumina Ceramic Bushing

    Non-Standard Alumina Ceramic Bushing is a high-performance ceramic component customized according to specific industrial needs. It is an important application of advanced ceramic materials in the field of mechanical sealing and wear resistance. Compared with standard specifications of alumina ceramic bushings, its core difference lies in the "non-standard" attribute - by adjusting the purity of alumina (such as 95%-99.9% optional), structural design (special-shaped hole position/stepped outer diameter) and precision grade (tolerance can be controlled within ±0.01mm), it can accurately match the installation requirements of unconventional equipment. This product is particularly suitable for extreme working conditions of high temperature, strong corrosion and high wear. It shows durability that traditional metal bushings cannot match in precision equipment such as oil drilling, semiconductor manufacturing, aerospace, etc., effectively extending the equipment maintenance cycle and reducing the overall cost.

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  • Black Alumina Ceramic Suction Cups For Photovoltaic Industry
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    Black Alumina Ceramic Suction Cups For Photovoltaic Industry

    Black Alumina Ceramic Suction Cups For Photovoltaic Industry are precision components designed specifically for the photovoltaic industry, used to safely grasp and handle solar panels in automated systems. Compared with similar suction cup products (such as polymer or metal suction cups), this product shows significant differences and advantages in many aspects. First, its core material is made of high-purity alumina ceramic, which has excellent wear and impact resistance, and can withstand the frequent high-load operations in the photovoltaic manufacturing process, while ordinary suction cups are prone to shortening their life due to wear or deformation. Secondly, the black surface treatment optimizes the light absorption characteristics, reduces the interference of light reflection on the solar panel during operation, and avoids potential performance loss, which is particularly critical in the photovoltaic industry's environment with extremely high precision requirements. In addition, Black Alumina Ceramic Suction Cups For Photovoltaic Industry has excellent high temperature resistance (maximum operating temperature can reach 1600°C) and chemical corrosion resistance, suitable for etching or cleaning processes on photovoltaic production lines, while other suction cups may degrade or fail under similar conditions. These characteristics together improve the reliability and efficiency of the system and reduce the frequency of maintenance, making it an ideal choice for automation solutions in the photovoltaic industry.

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  • Alumina Ceramic Suction Cup
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    Alumina Ceramic Suction Cup

    Alumina Ceramic Suction Cup is a high-performance vacuum adsorption component designed for high-temperature, strong corrosion and high-wear industrial scenarios. It is widely used in semiconductor manufacturing, glass hot bending, laser processing and other fields. Compared with traditional rubber or polymer suction cups, its core advantage lies in the use of high-purity (≥99%) alumina ceramic material, which gives the product high temperature resistance (long-term use at 500°C), super wear resistance (Mohs hardness level 9) and chemical corrosion resistance. This feature enables it to perform excellently in tasks such as transporting high-temperature glass substrates, fixing wafer etching processes, and transferring workpieces in corrosive environments, avoiding the adsorption failure problem caused by softening, wear or corrosion of ordinary suction cups. In addition, its extremely low thermal expansion coefficient (7.2×10⁻⁶/K) ensures dimensional stability under sudden temperature changes, significantly improving adsorption accuracy and life.

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  • Alumina Ceramic Bushing
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    Alumina Ceramic Bushing

    Alumina Ceramic Bushing is a high-performance industrial precision component made of alumina ceramic material with a purity of ≥95%. Compared with metal or polymer bushings, this product shows significant advantages under extreme working conditions: its hardness can reach HRA80-90, and its wear resistance is more than 5 times that of metal, which can effectively resist particle erosion and high-frequency friction; at the same time, it can withstand temperatures up to 1600°C and maintain zero corrosion in strong acid, strong alkali and organic solvent environments. Alumina ceramic bushings are particularly suitable for centrifugal pump sealing systems, high-temperature bearing sleeves, semiconductor manufacturing equipment, chemical valves and other scenarios. By reducing the frequency of downtime maintenance and the cost of spare parts replacement, it significantly improves equipment life and operating efficiency.

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  • Alumina Ceramic Discharge Bushing
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    Alumina Ceramic Discharge Bushing

    Alumina Ceramic Discharge Bushing is an industrial component designed for high wear, high temperature and corrosive environments. It is widely used in chemical, mining, electric power and metallurgy fields, especially for high-speed conveying systems of powder, granular or liquid materials. Compared with traditional metal or plastic bushings, its core advantage lies in the unique properties of high-purity alumina: Mohs hardness reaches level 9, wear resistance is more than 10 times that of ordinary metal bushings, can withstand high temperature environments of 1600°C for a long time and 1700°C for a short time, and has excellent chemical stability to strong acids and alkalis. For example, in the ash conveying system of a thermal power plant, the bushing can significantly reduce the cost of frequent replacement caused by material scouring and extend the equipment operation cycle. Its smooth surface design can also reduce material retention and avoid agglomeration or blockage, which is especially suitable for scenes with high cleanliness requirements.

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  • Perforated Alumina Ceramic Bushing
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    Perforated Alumina Ceramic Bushing

    Perforated Alumina Ceramic Bushing is a high-performance industrial component. It is made of high-purity alumina ceramics and processed by a special process. Compared with other ordinary ceramic bushings, its unique perforated design is a highlight. These evenly distributed holes not only reduce the overall weight of the bushing, but also play a role in accurately regulating the flow of the medium in specific working scenarios, such as fluid transmission or gas filtration. The bushing is widely used in fields such as semiconductor manufacturing and aerospace that have extremely high requirements for material performance. With its excellent high temperature resistance, corrosion resistance and insulation performance, it provides a reliable guarantee for the stable operation of the equipment. The alumina ceramic perforated bushing adopts advanced molding and sintering technology to ensure the high precision and high strength of the product. There are many tiny holes evenly distributed on its surface, and the pore size and pore spacing can be customized according to customer needs. This porous structure enables the bushing to have unique filtering and breathable functions while maintaining good mechanical properties. The bushing has a wide range of uses. In semiconductor manufacturing, it can be used for precise filtration and transmission of gases and liquids; in the aerospace field, it can be used as a heat insulation and protection device for key components; in the chemical industry, it can be used for the transportation and separation of corrosive media. Its reliable performance and diverse functions make it an indispensable component in many industrial fields.

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  • Perforated Alumina Ceramic Disc
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    Perforated Alumina Ceramic Disc

    Perforated Alumina Ceramic Disc is a high-performance functional component designed for harsh industrial environments. Compared with ordinary metal or polymer perforated discs, this product has extreme wear resistance, ultra-high temperature stability (withstands 1600°C) and excellent chemical inertness due to its high purity of more than 99% alumina ceramic material, and can maintain structural integrity for a long time in strong acids, strong bases and corrosive gases. Its precision laser drilling technology can achieve micron-level aperture accuracy (±0.05mm) and customized hole layout to ensure efficient and uniform distribution of fluids, gases or particulate media. It is particularly suitable for high-end fields such as semiconductor wafer etching fixtures, high-temperature gas filtration systems and fuel cell electrode support substrates. Typical application scenarios:High-temperature gas treatment: molten metal filtration, heat treatment furnace diversionPrecision chemical pharmaceuticals: microporous filters, catalyst carriersSemiconductor manufacturing: plasma etching wafer carriers, PVD/CVD fixturesNew energy equipment: solid oxide fuel cell bipolar plates, electrolyzer diaphragms

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  • Alumina Ceramic Guide Wheel
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    Alumina Ceramic Guide Wheel

    The Alumina Ceramic Guide Wheel is a high-performance industrial component engineered to excel in demanding environments where precision, durability, and chemical resistance are critical. Unlike traditional metal or polymer guide wheels, this product leverages the exceptional properties of alumina ceramic (Al₂O₃), making it ideal for applications such as semiconductor wafer cutting, optical fiber drawing, lithium battery electrode processing, and high-speed wire drawing. Its core advantage lies in its unmatched wear resistance—with a Mohs hardness of 9 (second only to diamond) and wear resistance 3-5 times that of metal counterparts—ensuring significantly extended service life and reduced maintenance costs. For example, in photovoltaic silicon wafer cutting, it has improved yield rates from 88% to 97% by minimizing edge chipping. Additionally, its ability to withstand temperatures up to 1650°C and resist corrosion from acids, alkalis, and organic solvents positions it as a superior choice for harsh industrial settings.

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  • Alumina Ceramic Locating Block
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    Alumina Ceramic Locating Block

    Alumina Ceramic Locating Block is a precision engineering component made of high-purity alumina ceramic material. Its main characteristics include excellent hardness (usually above Mohs hardness level 9), excellent wear resistance and high temperature resistance (can withstand temperatures up to 1600°C), and excellent chemical stability and insulation. The product plays a core positioning role in the mechanical assembly process, and by providing high-precision reference surfaces and support points, it ensures that the parts maintain strict tolerances (usually at the micron level) during processing, testing or assembly, thereby improving the reliability and repeatability of the system. The inherent low thermal expansion coefficient and corrosion resistance of its material make it less likely to deform or fail in harsh environments, effectively reducing the need for maintenance. In industrial applications, Alumina Ceramic Locating Block is widely used in semiconductor manufacturing, automotive production lines, aerospace equipment and medical instruments as a key positioning element for fixtures, molds or automation systems. Its low friction coefficient and insulation properties help minimize wear and electrical interference, and are suitable for scenarios with high-speed operation and high-precision requirements, such as wafer processing, engine assembly or surgical instrument positioning. The durability and long life of this product make it an ideal replacement for metal or plastic positioning solutions, significantly improving production efficiency and reducing overall operating costs.

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  • Alumina ceramic positioning block holder
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    Alumina ceramic positioning block holder

    Alumina ceramic positioning block holder is a precision positioning component made of high-purity alumina ceramic as the core material, which is mainly used in industrial automation, semiconductor manufacturing, precision mechanical assembly and other fields. Compared with traditional metal or engineering plastic positioning blocks, this product shows significant advantages in high temperature, strong corrosion or high wear environments due to its high hardness (Mohs hardness level 9), high temperature resistance (temperature resistance up to 1700℃) and excellent chemical stability. Its low thermal expansion coefficient (about 7×10⁻⁶/℃) can ensure dimensional stability during long-term operation of the equipment, and is especially suitable for scenarios where submicron positioning accuracy is required, such as optical instrument calibration, wafer processing positioning, etc. The positioning block holder is precisely ground-grained and processed, and the plane degree error is controlled within 2μm, and the repeat positioning accuracy reaches ±0.5μm, which can effectively reduce the equipment debugging time. In food packaging machinery, its non-toxic and pollution-free properties comply with FDA certification standards; in laser processing equipment, low light absorption rate (

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  • Alumina Ceramic Locating Pin
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    Alumina Ceramic Locating Pin

    The Alumina Ceramic Locating Pin is a precision-engineered component designed to ensure accurate alignment and stability in high-performance industrial applications. Crafted from high-purity alumina ceramic (Al₂O₃), this locating pin stands out from traditional metal counterparts due to its exceptional combination of hardness, wear resistance, and thermal stability. Unlike metal pins, which may corrode or deform under extreme conditions, the alumina ceramic locating pin maintains structural integrity in temperatures up to 1500°C while resisting chemical erosion and electrical conductivity. Its lightweight nature (density: 3.65 g/cm³, half that of steel) reduces system load without compromising strength, making it ideal for automated assembly lines, semiconductor manufacturing, and medical devices where precision and reliability are critical. By utilizing component holes as a positioning reference, this pin ensures micron-level planar alignment, minimizing movement and enhancing machine efficiency in sectors like automotive production and petrochemical processing.

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  • Multi-Channel Alumina Ceramic Tube
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    Multi-Channel Alumina Ceramic Tube

    Multi-Channel Alumina Ceramic Tube is a high-performance industrial ceramic component made of high-purity alumina material through precision machining. It is a structural and functional integrated product among special ceramic pipes. Compared with traditional single-channel ceramic tubes, it innovatively integrates multiple parallel fluid channels. While maintaining the inherent advantages of alumina ceramics (such as high temperature resistance, corrosion resistance, and high insulation), it significantly improves the fluid transmission efficiency through space-intensive design. This product is particularly suitable for scenarios that require simultaneous transmission of multiple media or precise flow distribution, such as material distribution systems for chemical reactors, multi-channel gas delivery modules for semiconductor manufacturing equipment, and precision fluid control units for medical equipment.

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Alumina Ceramics is a high-performance ceramic material made of alumina as the main raw material. According to the different alumina content, it can be divided into low-alumina ceramics (alumina content of 30% - 50%), medium-alumina ceramics (alumina content of 50% - 75%) and high-alumina ceramics (alumina content of more than 75%, of which 95 ceramics and 99 ceramics are common high-purity types). Different types of Alumina Ceramics have their own characteristics: low-alumina ceramics have low cost and moderate mechanical strength, which are suitable for scenes with low performance requirements; medium-alumina ceramics have certain improvements in strength, hardness and wear resistance, and have both cost-effectiveness and practicality; high-alumina ceramics show excellent performance, not only with high hardness (Mohs hardness can reach level 9, second only to diamond), but also with excellent high temperature resistance (can work stably in high temperature environments above 1600°C), good chemical stability (strong acid and alkali corrosion resistance) and excellent insulation performance, and Alumina Ceramics It has a wide range of uses. In the electronics industry, high-alumina ceramics are often used as integrated circuit substrates, electron tube sockets, etc., and their good insulation and thermal conductivity ensure the stable operation of electronic components; in the field of mechanical manufacturing, it can be used to make wear-resistant parts such as bearings and seals to extend the service life of mechanical equipment; in the chemical industry, due to its corrosion resistance, it is often used to make reactor linings, pipes, etc.; in addition, in the medical field, high-purity Alumina Ceramics can also be used to make implants such as artificial joints with good biocompatibility. In short, Alumina Ceramics plays an irreplaceable role in multiple industries with its diverse classification and excellent comprehensive performance. It is one of the important high-performance materials in modern industry.

About Us
Zhejiang Zhufa Precision Ceramics Technology Co., Ltd.
Zhejiang Zhufa Precision Ceramics Technology Co., Ltd. is China Alumina Ceramics Manufacturers and Alumina Ceramics Company, a manufacturing enterprise focusing on customized processing of advanced ceramic materials and precision ceramic structural parts. Its headquarters is located in Shaoxing, Zhejiang, the core area of the Yangtze River Delta in China. Since its establishment in 2022, Zhufa has always adhered to the concept of "strict selection of excellent materials, intelligent manufacturing, meticulous inspection, and sincere service", and is committed to providing stable and reliable ceramic products and personalized solutions for global industrial customers. The company has 30,000 square meters of modern plant and more than 50 core equipment, including dry pressing molding machine, isostatic pressing equipment, injection molding machine, high temperature sintering furnace, CNC engraving machine, surface grinder, centerless grinder, punch machine, honing machine, etc., with full-process production capacity from raw materials to finished products, and realizes independent control of the whole process. The company's main structural ceramic products cover a variety of materials such as zirconium oxide, aluminum oxide, silicon nitride, silicon carbide, aluminum nitride, etc. The types of parts include ceramic rods, ceramic tubes, ceramic sheets, seals and complex special-shaped parts, which are widely used in semiconductors, medical, new energy, automation equipment, laser technology, military industry and precision instruments. As a source factory integrating industry and trade, Zhufa supports customization, rapid prototyping, small batch flexible production and OEM cooperation. Since its establishment, the company has invested more than 10 million yuan in research and development, and continues to optimize material formulations and processing technology, always taking quality as the core, delivery as the guarantee, and service as the driving force to create long-term value for customers.
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News
  • In which industrial sectors are ZTA Ceramics primarily used?

    ZTA Ceramics, short for Zirconia Toughened Alumina ceramics, have gained significant attention in various industries due to their remarkable combination of hardness, toughness, and wear resistance. Unlike conventional ceramics, ZTA Ceramics offer a unique balance between strength and fracture toughness, making them hig

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  • What Level of Fracture Toughness Can ZTA Ceramics Achieve?

    ZTA Ceramics, short for zirconia-toughened alumina ceramics, have gained significant attention in high-performance engineering and industrial applications due to their remarkable combination of hardness, wear resistance, and toughness. Understanding the fracture toughness of ZTA Ceramics is crucial for industries rangi

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  • How do ZTA Ceramics perform in high-impact environments?

    ZTA Ceramics have emerged as a groundbreaking solution in industries that demand materials capable of withstanding extreme stress and impact. With the evolution of modern engineering, the need for high-performance ceramics has never been greater. Understanding how ZTA Ceramics respond under high-impact conditions is cr

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Alumina Ceramics Industry knowledge

Alumina Ceramics: Key Insights into Manufacturing, Performance, and Industrial Applications?


What Core Characteristics Make Alumina Ceramics a Go-To Material for Precision Industries?


Alumina ceramics, primarily composed of aluminum oxide, stand out as a cornerstone of advanced ceramic materials due to their exceptional inherent properties. These include high hardness (second only to diamond among common industrial materials), excellent electrical insulation, resistance to high temperatures (withstanding over 1,600°C in many cases), and strong corrosion resistance against most chemicals. For manufacturers focused on precision components, these traits are non-negotiable—and Zhejiang Zhufa Precision Ceramics Technology Co., Ltd. amplifies these advantages through strict process control. As a source factory specializing in new ceramic materials, the company ensures each alumina ceramic part retains consistent performance, aligning with industrial demands for reliability in harsh operating environments.


How Does Modern Manufacturing Ensure High-Quality Alumina Ceramics?


The manufacturing of alumina ceramics is a precision-driven process, with each step directly impacting final product quality. The typical workflow includes raw material purification (to reduce impurities that weaken performance), forming (such as dry pressing, cold isostatic pressing, or injection molding for complex shapes), high-temperature sintering (to achieve dense, stable ceramic bodies), and precision finishing (for tight dimensional tolerances).


Zhejiang Zhufa supports this workflow with a 30,000㎡ state-of-the-art manufacturing base, equipped with core machinery like high-temperature sintering furnaces, CNC engraving machines, and centerless grinders. This end-to-end in-house production capability—from raw material processing to final inspection—allows the company to control every detail, whether for standard alumina parts or non-standard, small-batch prototypes. By adhering to technology-driven standards, it ensures the alumina ceramics meet the strict precision and performance requirements of industrial clients.


Which Industrial Sectors Rely Heavily on Alumina Ceramics, and Why?


Alumina ceramics’ versatility makes them indispensable across multiple high-demand industries, with applications tailored to their unique strengths:
Automotive & New Energy: Used in sensors, braking systems, and electronic control units, their wear resistance and insulation improve vehicle safety and durability—key for new energy and smart car development.


Photovoltaics: Applied in wafer cutting and high-temperature sintering processes, their heat resistance and wear resistance boost production efficiency and extend equipment life.
Petrochemicals: Integrated into pumps, valves, and seals, their corrosion resistance ensures reliable operation in complex chemical environments, reducing maintenance costs.
Semiconductors: Utilized in wafer handling and etching equipment, their high purity and thermal stability minimize pollution risks and maintain process accuracy.


Zhejiang Zhufa leverages its cross-industry expertise to tailor alumina ceramic solutions for these sectors, supporting both small-batch trials and large-scale delivery to meet diverse client needs.


What Advantages Do Customized Alumina Ceramic Services Offer, and How Does Zhejiang Zhufa Deliver Them?


Industrial clients often require alumina ceramics tailored to unique shapes, sizes, or performance specs—standard off-the-shelf products rarely suffice. Customized services address this by aligning materials and design with specific application goals, such as optimizing for extreme temperatures or tight dimensional precision.


Zhejiang Zhufa excels in this area by offering fully in-house customization, direct engineering support, and flexible production (from small-batch proofing to mass manufacturing). Its customer-centric service system includes end-to-end support: from collaborating on design optimization to shorten development cycles, to ensuring consistent lead times. This approach not only meets clients’ performance and efficiency needs but also helps enhance their market competitiveness.

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