Place of Origin: Guangdong, China Material Introduction: Ceramic grinding plates are precision ceramic contact plates made from high-alumina ceramic, zirconia, or other advanced ceramic materials. They are designed for grinding, milling, and powder processing equipment where a hard, stable, and non-metallic working surface is required. Key Features: Stable grinding surface, high hardness, low metal contamination risk, good chemical stability, smooth contact finish, reliable dimensional stability, and custom support for holes, grooves, slots, thickness, flatness, and special shapes based on drawings. Application Industries: Powder processing equipment, laboratory grinding systems, milling machines, pulverizers, ceramic powder production, battery material processing, chemical powder handling, mineral sample preparation, and precision mechanical equipment. Lead Time: Lead time depends on material grade, plate size, thickness, flatness requirement, surface finish, hole or groove design, drawing complexity, and order quantity. For custom ceramic grinding plate requirements, please send us your drawing or application details.

Place of Origin:Guangdong, China Material Introduction:Made from high-hardness alumina ceramic, this wear plate offers strong abrasion resistance, good chemical stability and reliable performance in harsh wear environments. Key Features:High hardness, excellent wear resistance, corrosion resistance, heat resistance, long service life and low maintenance. Size, thickness, holes and shapes can be customized according to drawings or working conditions. Application Industries:Suitable for mining, cement, steel, power generation, chemical processing, bulk material handling, conveyor systems, hoppers, chutes, pipelines and equipment wear protection. Lead Time:Lead time depends on material grade, size, quantity and machining requirements. Custom samples and batch production are available. Contact us for a quotation. Send us your drawing, size, quantity or working conditions for a custom quotation.

Place of Origin: Guangdong, China Material Introduction:Made from high-strength silicon nitride ceramic materials (Si3N4), this ceramic locating pin provides excellent mechanical strength, electrical insulation, thermal shock resistance, and wear resistance. It is designed for welding fixtures, resistance welding systems, and automated positioning applications where metal pins may cause shorting, wear, or weld spatter adhesion. Key Features:High mechanical strength and fracture toughnessExcellent electrical insulation for welding fixturesGood thermal shock resistance in high-temperature working conditionsLow weld spatter adhesion compared with metal locating pinsHigh wear resistance for repeated positioning and assemblyCustomizable size, shape, hole structure, and tolerance as part of our precision ceramic components manufacturing capability Applications:Projection welding fixturesResistance welding systemsAutomotive body-in-white welding linesNut and bolt welding positioningRobotic welding cellsAutomated assembly and positioning equipmentEV battery pack welding fixturesHigh-temperature insulated locating and guiding applications for automation ceramic components Lead Time:Lead time depends on part structure, tolerance requirements, material grade, quantity, and inspection standards. For custom silicon nitride ceramic locating pins, please send drawings, samples, or application details for evaluation before quotation.

Place of Origin:  Guangdong, China Material Introduction: Made from high alumina ceramic with strong wear resistance and stable performance in abrasive working conditions. For more material options, please visit our Alumina Ceramics page. Key Features: Compact tile design, easy layout on curved or irregular surfaces, high hardness, good abrasion resistance, corrosion resistance, and flexible customization by size, thickness, and shape. Applications: Suitable for local wear protection in chutes, hoppers, elbows, pipes, transfer points, conveyors, cyclones, and bulk material handling equipment. Lead Time: Lead time depends on tile size, quantity, thickness, layout design, and drawing requirements. For custom projects, please contact us with drawings or application details.

Place of Origin: Guangdong, China Material Introduction: Custom ceramic rubber impact plates are made with high-alumina ceramic blocks or tiles bonded into a rubber backing structure. The ceramic surface helps resist sliding abrasion from bulk materials, while the rubber layer absorbs impact force and reduces stress on the ceramic during heavy-duty operation. Key Features: Rubber-backed impact cushioning structure, high wear-resistant ceramic surface, customizable ceramic tile layout, reduced cracking risk under impact, lower noise compared with metal liners, and optional steel backing or bolt-on installation design. Application Industries: Mining, cement plants, coal handling systems, steel plants, power plants, port bulk handling, conveyor transfer points, chutes, hoppers, bins, and other high-impact bulk material handling equipment. Lead Time: Lead time depends on product size, ceramic layout, rubber backing structure, installation design, drawing requirements, and order quantity. For custom sizes or OEM liner assemblies, please send us your drawing or application details.

Place of Origin: Guangdong, China Material Introduction:Made from high-purity alumina ceramic materials, this ceramic grinding core is designed for grinding equipment that requires wear resistance, heat stability, and low contamination. Alumina ceramic provides good hardness, chemical stability, and dimensional reliability for repeated grinding and friction applications. Key Features:High wear resistance for long service lifeGood heat stability during continuous grindingSmooth ceramic surface for cleaner material contactResistant to corrosion, moisture, and many chemicalsCustom tooth profile, center hole, slot, OD, ID, and tolerance available as part of our custom ceramic parts capability Application Industries:Coffee grinding equipment, spice and grain grinding machines, laboratory sample preparation, pharmaceutical powder processing, food-related grinding equipment, industrial powder processing, and precision mechanical equipment. Lead Time:Lead time depends on material grade, part size, tooth geometry, tolerance, quantity, and inspection requirements. Please send drawings, samples, photos, or equipment installation dimensions for evaluation before quotation. For custom projects, you can contact us through Contact Us.

Product Name:Precision Ceramic Grinding Core (Conical/Flat Burr) Product Materials:High-Purity Alumina ($Al_2O_3 \ge 95\%$) or Yttria-Stabilized Zirconia ($ZrO_2$). Material Characteristics:Extreme surface hardness (Mohs 9), Food-grade and biocompatible, Zero rust or oxidation, Low heat generation during grinding, High compressive strength, Excellent wear resistance (lasts 5-10x longer than steel), Chemically inert. Product Configurations:Conical grinding burrs, Flat grinding discs, Serrated crushers, Custom-toothed grinding gears. Application Fields:Automatic coffee grinders, Manual spice and pepper mills, Pharmaceutical pill crushers, Laboratory sample pulverizers, Cosmetic powder grinders, Essential oil seed crushers. Application Industries:Biomedical (Sample prep), Advanced Machinery (Precision crushing), Consumer Appliances (Kitchen electronics), Fluid Control (Solid-to-liquid mixing), Food Engineering (Aromatic retention grinding). Processing Difficulties:Achieving razor-sharp grinding teeth without micro-chipping, Maintaining high concentricity to ensure uniform grind size, Controlling dimensional consistency in high-volume production, Managing the complex geometry of helical gear teeth in ceramic molding. Processing Flow:Powder formulation → Ceramic Injection Molding (CIM) or Dry Pressing → Precision green machining → High-temperature sintering → Diamond tooth sharpening (optional) → Ultrasonic cleaning (Food-grade standard) → Grind consistency testing → Secure bulk packaging. Delivery Period:Standard samples: 10-15 days, Large-scale production orders: 30-45 days.

Product Name: Boron Carbide Grinding Media Balls / B₄C Ceramic Balls Product Material: High-purity, sintered Boron Carbide (B₄C). Material Properties: Characterized by extreme hardness (≈30-40 GPa), excellent wear resistance, low density (≈2.52 g/cm³), high chemical inertness, and outstanding neutron absorption capability. Application Fields: Primarily used as high-performance grinding media for milling and dispersing, and as functional components in bearings, valves, and nuclear instrumentation. Application Industries: Advanced Materials Processing (e.g., electronics, pharmaceuticals, pigments), Nuclear Energy (reactor components, measurement spheres), and Precision Engineering (special bearings, metrology). Processing Difficulty: Extremely high. Achieving perfect sphericity, precise diameter tolerances, and a flawless surface finish on a super-hard and brittle material requires specialized, multi-stage diamond grinding and lapping processes, leading to high costs. Processing Flow: B₄C powder preparation → Granulation → Forming (e.g., isostatic pressing) → High-temperature sintering → Rough diamond grinding to spherical shape → Precision lapping/polishing to final G-grade tolerance → 100% dimensional and visual inspection. Delivery Period: Typically 8 to 14 weeks, depending on ball diameter, precision grade (e.g., G5, G10), quantity, and required surface finish. Standard sizes may have shorter lead times.

Product Name: Ceramic HeadsProduct Material: High-Purity Alumina (Al₂O₃)/Zirconia (ZrO₂)Material Characteristics: Excellent chemical inertness, bio-compatibility, wear resistance, corrosion resistance, high hardnessApplication Fields: Medical implants, chemical equipment, precision instruments, fluid handling systems, laboratory apparatusApplication Industries: Medical devices, pharmaceutical, chemical processing, biotechnology, analytical instrumentsProcessing Challenges: Complex geometry precision, surface finish control, bio-compatibility maintenance, dimensional stabilityProcessing Flow: Powder preparation → Injection molding → High-temperature sintering → Precision grinding → Surface polishing → Quality inspection → PackagingDelivery Time: 30-40 days, 45-60 days for customized designsa

Product Name:Lithium Battery Filling Equipment Zirconia Ceramic Metering/Shut-off Valve Product Material:High-Purity Yttria-Stabilized Zirconia Ceramic (Y-TZP). For valve stems or balls with extreme wear resistance requirements, Silicon Carbide (SiC) or Silicon Nitride (Si₃N₄) coatings or components can be compounded. Material Characteristics:Exceptional resistance to electrolyte corrosion (resistant to lithium salts, organic solvents like EC/DMC/DEC, etc.), Ultra-high hardness (HV >1200) and excellent wear resistance (withstands abrasion from active material particles in slurries), Extremely low metal ion leaching (ensures electrolyte purity, prevents battery self-discharge), Excellent mechanical strength and fracture toughness (withstanding frequent on-off impacts), Low friction coefficient (enables smooth operation and long-lasting seals), Superior electrical insulation (prevents electrochemical corrosion), Capable of achieving nano-level ultra-smooth surfaces (Ra < 0.01 µm) to reduce adhesion and friction. Application Fields:Precise quantitative transfer and shut-off control of lithium battery electrode slurries (cathode/anode), Accurate filling and dispensing valves for electrolytes, Slurry switching and regulating valves on mixing and coating machines, Powder material transfer control valves in dry electrode manufacturing, Vacuum and sealing valves after electrolyte filling. Application Industries:New Energy (Lithium battery manufacturing equipment), Fluid Control (High-precision, high-cleanliness process control), Advanced Mechanical Equipment. Processing Difficulties:Achieving nano-level fitting accuracy and super-mirror sealing surfaces between the valve core and seat to ensure ultra-low leakage rates; Machining complex micron-level internal flow channels for precise control of minute flow rates; Achieving ultra-smooth surfaces with Ra < 0.01µm while maintaining high toughness and completely eliminating surface defects; The material must possess extremely high chemical purity and consistency, absolutely preventing the introduction of any impurities (e.g., Fe, Na, K) that could cause battery performance degradation; Ensuring the valve's dimensional and surface integrity remain unchanged after long-term exposure to highly corrosive and abrasive slurries. Processing Flow:Inspection and selection of medical/electronic grade high-purity zirconia powder → Complex valve component forming via精密 Ceramic Injection Molding (CIM) → Catalytic debinding and low-temperature presintering → High-temperature atmosphere sintering for densification → Precision CNC grinding for initial shaping → Ultra-precision CNC grinding of core mating surfaces → Ultrasonic-assisted machining of internal micro flow channels → Multi-step diamond paste polishing and Chemical Mechanical Polishing (CMP) to achieve mirror finish → 100% helium mass spectrometer leak testing and flow coefficient (Cv) testing → Cleanliness testing (particulates, ion leaching) → Pairing selection and functional testing → Vacuum packaging in a class 1000 cleanroom Delivery Period:Standard metering valve components: 60-90 daysHigh-precision, custom valves with special flow channels or certification requirements (e.g., cleanliness report): 100-160 days

Place of Origin:  Guangdong, ChinaMaterial: High-purity alumina ceramic, typically 95%–99.5% Al₂O₃, with selected metalized areas for brazing, soldering or ceramic-to-metal connection.Key Features: Excellent electrical insulation, stable metalized bonding surface, good mechanical strength, high temperature resistance and reliable support for ceramic-to-metal hermetic sealing assemblies.Application Industries: Vacuum electronics, semiconductor equipment, sensor housings, laser packaging, microwave components, electrical feedthroughs and precision electronic assemblies.Lead Time: Depends on tube size, drawing tolerance, metalized area, plating requirement, inspection standard and order quantity. Related custom solutions are available for metalized ceramic components.

Place of Origin:  Guangdong, China Material Introduction: This ceramic-to-metal hermetic sealing assembly is made with high-purity alumina ceramics or aluminum nitride ceramics, combined with Kovar, stainless steel, nickel-based alloys or other matched metal materials according to the sealing structure and working environment. Key Features: Designed for ceramic-to-metal brazing, hermetic sealing, vacuum compatibility, matched thermal expansion, electrical insulation and stable sealing performance in customized ceramic-metal assemblies. Application Industries: Suitable for semiconductor vacuum equipment, aerospace electronics, sensor housings, medical device assemblies, electronic packaging, energy systems and high-reliability industrial sealing applications. Lead Time: Lead time depends on ceramic and metal material selection, drawing complexity, brazing structure, sealing performance requirements, testing standards and order quantity.

Place of Origin: Guangdong, China Material Introduction:Made from high-purity Alumina Ceramic or Aluminum Nitride Ceramic with a controlled metallized layer for ceramic-to-metal brazing, soldering, and electrical connection. Key Features:Stable metallized surface, reliable ceramic-to-metal bonding, good electrical insulation, thermal stability, and compatibility with nickel plating, brazing alloys, and further metal assembly. Application Industries:Used in electronic packaging, vacuum devices, sensor components, power modules, RF/microwave parts, laser assemblies, and high-voltage insulation systems. Related applications: Electronic Engineering. Lead Time:Lead time depends on ceramic material, metallized area, plating requirement, brazing structure, drawing complexity, and order quantity.

Place of Origin: Guangdong, ChinaMaterials: Made from alumina ceramic, zirconia, silicon nitride, aluminum nitride, or silicon carbide, depending on the required micro-hole size, wall thickness, insulation, wear resistance, and working environment.Key Features: Designed for fine-hole structures with stable hole position, controlled edge quality, smooth flow path, high dimensional stability, and reliable performance in small-size precision ceramic parts.Applications: Suitable for dispensing nozzles, microfluidic parts, semiconductor handling components, laser equipment, medical instruments, vacuum pick-up parts, and other precision ceramic components.Lead Time: Depends on material grade, hole diameter, hole depth, tolerance requirements, processing difficulty, and order quantity. Contact us for custom evaluation.

Place of Origin：Guangdong, China Material Introduction：Alumina ceramic connector components are precision insulating parts used in electrical connectors, feedthroughs, sensors, and high-voltage assemblies. Made from 95%, 96%, or 99% Al₂O₃ ceramic, they provide stable insulation, heat resistance, and accurate pin separation for demanding connector applications. View Alumina Ceramic Components Key Features：High electrical insulation、Good heat and voltage resistance、Precise holes for pin positioning、Stable size and low moisture absorption、Custom shapes, slots, steps, and multi-hole designs available、Optional metallized surface for ceramic-to-metal joining、View Metalized Ceramic Components Application Industries：Electrical connectors、Vacuum feedthroughs、High-voltage equipment、Sensors and probes、Semiconductor equipment、Power electronics、View Electronic Ceramic Components Lead Time：Lead time depends on material grade, drawing complexity, tolerance, quantity, and special processing requirements. CERAMPRO supports prototypes, small batches, and regular production based on drawings or samples. Contact Us

Place of Origin: Guangdong, China Material Introduction:Precision ceramic components for laser equipment can be made from alumina ceramic, zirconia ceramic, silicon nitride, aluminium nitride ceramic or silicon carbide according to insulation, thermal stability, positioning accuracy and assembly requirements. Alumina is commonly used for electrical insulation, while aluminium nitride is suitable for applications that need both insulation and improved heat dissipation. Key Features:Designed for laser equipment positions that require electrical isolation, stable dimensions, accurate alignment and reliable structural support. Custom holes, slots, flatness, surface finish and mounting structures can be produced based on drawings or samples. Application Industries:Used in laser cutting machines, laser welding systems, laser marking equipment, optical modules, sensor assemblies, semiconductor laser systems and precision optical instruments. Lead Time:Production is arranged based on material selection, drawing complexity, tolerance requirements and order quantity. For custom ceramic parts used in laser equipment, please contact us with drawings or samples for material selection and quotation support.

Place of Origin:Guangdong, China Material Introduction:These custom silicon nitride ceramic parts are made from high-performance Si3N4 ceramic, a material known for its high mechanical strength, excellent thermal shock resistance, low thermal expansion, and good wear resistance. It is suitable for laser equipment and precision mechanical assemblies where dimensional stability and long-term reliability are important. Learn more about our Silicon Nitride Ceramics. Functional Features:Silicon nitride ceramic provides stable performance under rapid temperature changes, mechanical stress, and high-wear working conditions. These ceramic structural parts can be customized according to drawings, including holes, slots, thin-wall structures, precision surfaces, and complex shapes. Application Industries:Widely used in laser equipment, semiconductor equipment, optical systems, automation machinery, precision positioning fixtures, and high-temperature industrial assemblies. These parts are suitable for applications where metal components may face wear, thermal deformation, or electrical insulation limitations. Delivery Time:Lead time is evaluated based on the drawing, material requirements, tolerance level, part structure, surface finish, and order quantity. Please send us your technical drawing or sample details for manufacturability review and quotation. For custom projects, you can contact CERAMPRO for engineering support.

Product Name: Precision Zirconia ($ZrO_2$) Hollow Sleeve / Bushing Product Material: Yttria-Stabilized Tetragonal Zirconia (Y-TZP), Magnesia-Stabilized Zirconia (Mg-PSZ). Material Characteristics: Superior fracture toughness (prevents chipping), Extreme hardness and wear resistance, Thermal expansion matching stainless steel, Low thermal conductivity, Outstanding chemical resistance (acid/alkali), Non-magnetic and non-conductive, Mirror-finish polishing capability. Application Fields: Fiber optic alignment sleeves, Precision plunger pump liners, High-speed motor shaft sleeves, Liquid dispensing valves, Homogenizer chamber inserts, Thermal insulating spacers, High-pressure fluid seals. Application Industries: Biomedical (Surgical and dental tools), Advanced Machinery (Heavy-duty precision components), New Energy (Lithium battery slurry processing), Fluid Control (High-pressure metering), Electronic Engineering (Non-magnetic locating pins), Aerospace (High-strength fasteners), Petrochemical (Downhole sensors), Broad Semiconductor (Wafer handling). Processing Difficulties: Achieving micron-level concentricity between the inner diameter (ID) and outer diameter (OD), Maintaining ultra-tight wall thickness tolerances, Achieving a mirror-polished ID ($Ra < 0.05\mu m$) to reduce internal friction, Controlling phase stability during high-precision diamond grinding. Processing Flow: Nano-powder preparation → Isostatic Pressing (CIP) or Ceramic Injection Molding (CIM) → High-temperature sintering → Diamond internal/external cylindrical grinding → Precision honing of the hollow core → Mirror polishing → 100% dimensional and crack inspection → Secure packaging. Delivery Period: Standard specifications: 15-25 days, Customized ultra-thin or high-precision sleeves: 30-50 days.The Precision Zirconia Hollow Sleeve / Bushing offers advanced durability and dimensional accuracy, engineered by leading zirconia ceramic manufacturers. Ideal for demanding industrial applications requiring high wear resistance and precise fits in industrial ceramic materials.

Place of Origin:Dongguan, Guangdong, China Material Introduction:Custom ceramic guide tubes are manufactured from alumina ceramic, zirconia ceramic, silicon nitride or silicon carbide according to the required guiding accuracy, electrical insulation, friction control and working temperature. Alumina is commonly selected for stable insulation and industrial guiding, while zirconia and silicon nitride are suitable for applications requiring higher toughness, smoother contact surfaces or improved mechanical strength. Key Features:Designed for precision guiding, electrical insulation and smooth passage of wires, fibers, probes, small rods or moving parts. The inner bore can be polished, chamfered or customized to reduce friction, prevent scratching and maintain stable positioning during continuous equipment operation. Application Industries:Used in wire and cable equipment, textile and fiber machinery, winding machines, automation systems, sensor positioning, electrical insulation passages, precision mechanical equipment and high-wear guiding structures. Lead Time:Sample and bulk production are arranged based on drawing complexity, material selection, dimensional tolerance and order quantity. Custom sizes, bore shapes, chamfers and surface finishes can be produced according to customer drawings. For drawing-based ceramic guide tube projects, please contact us for material selection and quotation support.

Product Name: Ultra-High Purity Semiconductor Ceramic Sleeve Product Material: High-Purity Alumina ($Al_2O_3 \ge 99.8\%$), Sintered Silicon Carbide (SSiC), Aluminum Nitride (AlN), or High-Purity Quartz. Material Characteristics: Ultra-high purity (minimal metallic impurities), Excellent resistance to plasma erosion (fluorine/chlorine-based), Exceptional dielectric strength, Vacuum-tight with zero porosity, Low coefficient of thermal expansion, High thermal conductivity (for AlN/SiC grades), Minimal outgassing. Application Fields: Plasma etch chamber insulators, Wafer lift pin sleeves, Gas distribution system bushings, Ion implantation beamline liners, Thermal couple protection in diffusion furnaces, MOCVD reactor components, Electrostatic chuck (ESC) peripheral sleeves. Application Industries: Broad Semiconductor (Front-end wafer fabrication), Electronic Engineering (Power device manufacturing), New Energy (Advanced solar cell processing), Aerospace (High-precision sensors). Processing Difficulties: Achieving stringent surface cleanliness (Class 10/100 cleanroom standards), Controlling metallic ion contamination (e.g., Na, K, Fe) to ppb levels, Managing micron-level geometric tolerances on thin-walled components, Achieving atomic-level surface smoothness to prevent particle generation during plasma exposure. Processing Flow: Ultra-pure powder preparation → Clean-room Isostatic Pressing → Precision Green Machining → High-purity sintering (Atmosphere controlled) → Diamond precision grinding → Chemical etching (to remove surface damage layers) → Ultrasonic deionized water cleaning → Class 100 cleanroom inspection & vacuum packaging. Delivery Period: Standard specifications: 25-40 days, Our ultra-high purity ceramic sleeve, crafted from alumina ceramic parts and custom materials, delivers exceptional chemical resistance and thermal stability, ensuring contamination-free semiconductor manufacturing.  

Place of Origin:Dongguan, Guangdong, China Material Introduction:Custom ceramic protective sleeves can be made from alumina ceramic, zirconia ceramic, silicon carbide or silicon nitride, depending on insulation needs, wear level, temperature, corrosion exposure and component protection requirements. Alumina is commonly used for insulation and general protection, while zirconia is suitable for applications requiring higher toughness and smoother contact surfaces. Key Features:Designed as external protective sleeves, these ceramic components help protect sensors, probes, electrodes, rods and metal parts from wear, heat, corrosion and electrical contact. They offer stable dimensions, smooth surface finish, precision ID/OD grinding and custom sizes based on customer drawings. Application Industries:Suitable for sensor protection, probe assemblies, electrode insulation, electrical equipment, thermal systems, inspection fixtures, industrial automation and other equipment where metal or sensitive components need wear-resistant and insulating protection. Lead Time:Lead time depends on material selection, drawing complexity, tolerance requirements, surface finish and order quantity. Please contact CERAMPRO with your drawing, sample or application details for a customized quotation.

Product Name:High-Performance Silicon Nitride (Si_3N_4) Ceramic Sleeve Product Material:Gas Pressure Sintered Silicon Nitride (GPSN), Hot-Pressed Silicon Nitride (HPSN). Material Characteristics:Superior fracture toughness and mechanical strength, Low density (40% of steel), Excellent thermal shock resistance, Outstanding wear resistance and self-lubricating properties, High chemical resistance (acid/alkali), High-temperature stability (up to 1200°C), High modulus of elasticity. Application Fields:High-speed motor shaft sleeves, Precision bearings for aerospace, Turbocharger rotors, Molten aluminum handling components, Chemical pump shaft protection, Locating pins for resistance welding, Internal combustion engine valves. Application Industries:Biomedical (High-durability implants), Advanced Machinery (High-speed spindles), New Energy (EV motor components), Fluid Control (Abrasive media valves), Electronic Engineering (Semiconductor handling), Aerospace (Jet engine sensors), Petrochemical (Corrosive environment components), Broad Semiconductor (Etching chamber parts). Processing Difficulties:Achieving micron-level tolerances on an extremely tough and hard material, Managing the complex sintering shrinkage of GPSN, Maintaining high surface finish ($Ra < 0.1\mu m$) to ensure low friction in high-speed applications, Preventing micro-defects during precision diamond honing. Processing Flow:Si_3N_4 powder preparation → Cold Isostatic Pressing (CIP) → Green machining → Gas Pressure Sintering (GPSN) → Diamond internal/external cylindrical grinding → Mirror honing and polishing → Ultrasonic flaw detection → CMM inspection → Secure packaging. Delivery Period:Standard specifications: 25-35 days, Customized high-precision or complex sleeves: 45-60 days.

Product Name: Wear-Resistant & High-Insulation Alumina Ceramic Sleeve Product Material: 95% - 99.8% High-Purity Alumina ($Al_2O_3$), optional glaze coating for enhanced surface hydrophobicity. Material Characteristics: Diamond-grade surface hardness (Mohs 9), High dielectric strength (>15 kV/mm), Excellent thermal stability (up to 1700°C), Exceptional chemical resistance, Low thermal expansion coefficient, Zero electrical tracking. Application Fields: High-voltage wire guides, Plasma torch insulators, Corona treatment rollers, Induction heating coil liners, Centrifugal pump shaft protectors, Insulating spacers for vacuum furnaces, High-speed wire drawing bushings. Application Industries: Biomedical (Sterile liquid pumps), Advanced Machinery (Precision spindles), New Energy (Lithium battery electrode processing), Fluid Control (Abrasive slurry handling), Electronic Engineering (RF/Microwave equipment), Aerospace (Sensor insulating sleeves), Petrochemical (Corrosive fluid injection), Broad Semiconductor (Etch and CVD tools). Processing Difficulties: Maintaining high concentricity between internal and external diameters to prevent vibration, Achieving sub-micron wall thickness uniformity for consistent electrical insulation, Minimizing surface micro-cracks during diamond grinding to avoid dielectric breakdown, Achieving mirror-finish roughness (Ra < 0.1μm) to reduce seal friction. Processing Flow: Powder preparation → Cold Isostatic Pressing (CIP) → Green machining → High-temperature sintering → Precision diamond grinding (ID/OD) → Honing and mirror polishing → 100% Dielectric strength testing → CMM dimensional verification → Secure packaging. Delivery Period: Standard specifications: 14-25 days, Customized high-precision or extra-long sleeves: 30-45 days. Our Wear-Resistant & High-Insulation alumina ceramic sleeve offers exceptional abrasion resistance and dielectric strength above 15 kV/mm. Ideal for precision industrial ceramic solutions requiring durability and electrical insulation.

Product Name: Precision Alumina (Al_2O_3) Ceramic Sleeve / Bushing Product Material: 95% - 99.8% High-Purity Alumina ($Al_2O_3$), optional Zirconia Toughened Alumina (ZTA). Material Characteristics: Superior hardness and wear resistance, Exceptional compressive strength, Excellent electrical insulation, Chemically inert to most acids and alkalis, High thermal stability (up to 1750°C), Low friction coefficient when polished. Application Fields: Centrifugal pump shaft sleeves, Protective liners for corrosive fluid pipes, High-voltage insulating bushings, Plunger pump cylinders, Mechanical seal rings, Wear-resistant bushings for agitators. Application Industries: Biomedical (Sterile fluid handling), Advanced Machinery (High-speed rotating shafts), New Energy (Lithium battery slurry transport), Fluid Control (Precision valves), Electronic Engineering (Insulating sleeves), Aerospace (Sensor protection), Petrochemical (Corrosive fluid pumping), Broad Semiconductor (Etching equipment components). Processing Difficulties: Maintaining high concentricity between internal (ID) and external (OD) diameters, Achieving micron-level wall thickness consistency, Preventing edge chipping during internal diamond honing, Managing sintering deformation in extra-long or thin-walled sleeves. Processing Flow: Raw material preparation → Isostatic pressing (CIP) or Extrusion → Green body machining → High-temperature sintering → Diamond internal/external cylindrical grinding → Mirror honing (ID) → Ultrasonic cleaning → Precision measurement (CMM) → Secure packaging. Delivery Period: Standard sizes: 14-25 days, Customized high-precision or thin-walled sleeves: 30-45 days.

Material Introduction:96% alumina ceramic is a practical material for custom alumina ceramic sleeves, ceramic bushings and insulating spacers. It offers a good balance of wear resistance, electrical insulation and cost performance, making it suitable for equipment assembly, shaft protection and precision ceramic components. Functional Features:Good wear resistance, stable electrical insulation, chemical resistance and reliable dimensional stability. The surface can be precision ground for better fitting, guiding, spacing and wear-resistant support in mechanical or electrical applications. Application Industries:Commonly used in pumps and valves, fluid control systems, automation equipment, electronic devices, precision machinery and new energy equipment. For pump-related ceramic parts, you can also view our ceramic pump components. Delivery Time:Standard specifications usually take 10–15 days. Custom sizes, tight tolerances or metallized surfaces will be confirmed based on drawings, quantity and processing requirements. You can send us your drawing for a quick review.This 96% alumina ceramic sleeve offers robust wear resistance and electrical insulation, optimized for precision assemblies. Ideal for users requiring tailored industrial ceramic materials and custom alumina ceramic solutions.

Product Name: Precision Hexagonal Boron Nitride (h-BN) Ceramic Sleeve Product Material: Hot-Pressed Hexagonal Boron Nitride (h-BN), optional composite grades (e.g., BN-Alumina or BN-Zirconia for higher hardness). Material Characteristics: Extreme thermal shock resistance, Outstanding electrical insulation at temperatures up to 2000°C (inert atmosphere), Excellent thermal conductivity (similar to graphite), Self-lubricating (low friction coefficient), Non-wetting to molten Aluminum, Zinc, Magnesium, and Glass, Easily machinable to tight tolerances. Application Fields: High-temperature vacuum furnace insulators, Molten metal atomization nozzles, Thermocouple protection sleeves for aggressive alloys, Glass forming liners, Plasma arc insulators, PVD/CVD deposition masks, Ion implantation hardware. Application Industries: Biomedical (Laboratory equipment), Advanced Machinery (Non-ferrous metal casting), New Energy (Crystal growth systems), Fluid Control (High-temperature gas nozzles), Electronic Engineering (RF/Microwave heat sinks), Aerospace (Plasma thruster components), Petrochemical (Thermal sensors), Broad Semiconductor (MBE and CVD tools). Processing Difficulties: Managing the inherent anisotropy of hot-pressed BN billets during sleeve machining, Preventing moisture absorption (hygroscopicity) in standard grades, Achieving ultra-thin wall thickness without brittle fracture, Controlling precision surface finish on a naturally soft ceramic to avoid micro-tearing. Processing Flow: BN powder synthesis → Vacuum hot-press sintering → Billet quality inspection → Precision CNC turning/drilling → High-temperature vacuum bake-out → Dimensional and concentricity inspection → Moisture-proof vacuum packaging. Delivery Period: Standard specifications: 10-20 days, Customized complex or thin-walled sleeves: 25-40 days.

Product Name:Zirconia Ceramic Parts with Internal/External Thread Machining Product Material:Yttria-Stabilized Tetragonal Zirconia Ceramic (Y-TZP). For applications requiring extreme wear resistance or specific electrical properties, Silicon Carbide (SiC) can be selected, or Silicon Nitride (Si₃N₄) offered as an alternative. Material Characteristics:Exceptional fracture toughness (highest among ceramics, K₁c: 8-12 MPa·m¹ᐟ²) and high impact resistance, Ultra-high hardness (HV >1200) and very low thread wear rate, Excellent chemical corrosion resistance (resistant to strong acids, alkalis, organic solvents, and salt spray), High mechanical strength and good creep resistance, Low friction coefficient, Capable of achieving high-precision and high-finish thread surfaces (Ra < 0.4 µm), Material is pure, non-magnetic with no metal ion leaching, Excellent biocompatibility. Application Fields:High-cleanliness, corrosion-resistant threaded connectors in semiconductor and vacuum equipment (e.g., chamber viewport flanges, feedthrough interfaces); Sterile, biocompatible threaded components in biomedical devices and implantable instruments (e.g., sensor housings, adjustable implant connectors); Corrosion and wear-resistant pipe fittings, valve cores, and threaded sections of measurement probes in chemical and petroleum equipment; Precision, inert fluid connection interfaces in high-end analytical instruments (e.g., chromatography, mass spectrometry); High-stability lens retaining rings and adjustment mechanism threaded parts in optical and laser equipment. Application Industries:Semiconductor Manufacturing, Biomedical (High-end medical devices, implants), Fluid Control (Precision chemical processing, instrumentation), Petrochemical, New Energy (Fuel cells, electrolytic hydrogen production), Advanced Mechanical Equipment, Electronic Engineering. Processing Difficulties:Forming high-precision, high-integrity internal and external threads on high-hardness, high-brittness ceramic materials; Preventing micro-cracks, chipping, and stress concentration generated during thread machining (especially tapping or grinding); Ensuring thread parameters (flank angle, pitch diameter, pitch) meet strict tolerance requirements (often Class 6H/6g or higher); Machining deep-hole internal threads or slender external threads while ensuring their straightness and coaxiality; Ensuring surface finish of thread mating surfaces to meet sealing or low-friction requirements. Processing Flow:High-purity Y-TZP powder processing and forming (dry pressing/isostatic pressing/injection molding) → High-temperature sintering for densification → Precision CNC machining of part profile and datums → Thread Forming (selected based on accuracy and size): Diamond wheel thread grinding / Ultrasonic-assisted thread machining / High-precision ceramic-specific tap threading (on pre-sintered blanks) → Precision polishing and deburring of threaded sections → Full parameter inspection (pitch diameter, pitch, flank angle) using Coordinate Measuring Machine (CMM) and thread measuring machines → Surface cleaning and cleanroom packaging Delivery Period:Standard metric/imperial threaded parts: 40-65 daysHigh-precision, non-standard threads (e.g., trapezoidal threads, special taper threads) or miniature threads (below M3): 70-120 days