Product Name:
Zirconia Ceramic Insulating Nozzle
Product Material:
Yttria-Stabilized Tetragonal Zirconia Polycrystals (Y-TZP). For applications involving extreme wear or requiring special electrical/thermal conductivity, composite design solutions with Silicon Carbide (SiC) or Boron Nitride (BN) can be provided.
Material Characteristics:
Exceptional fracture toughness (impact resistant, K₁c: 8-12 MPa·m¹ᐟ²) and high mechanical strength, Excellent electrical insulation (volume resistivity >10¹⁰ Ω·cm), Very high hardness (HV >1200) and outstanding wear resistance, Superior chemical inertness (resistant to strong acids, alkalis, organic solvents, and oxidizing atmospheres), Low friction coefficient and non-stick properties, Surface capable of achieving nano-level smoothness (Ra < 0.02 µm), Good thermal shock resistance and medium-to-high temperature stability, Zero magnetic properties and no metal ion leaching.
Application Fields:
High-purity, corrosion-resistant atomizing or spray nozzles in semiconductor wet etching and cleaning equipment; Precision metering nozzles for fuel cell gas diffusion layer (GDL) spraying and catalyst coating processes; Wear-resistant, clog-resistant powder or slurry spray nozzles in the chemical industry; Wear-resistant, insulating atomizer heads in high-end spraying equipment (e.g., 3D printing, precision coating); Core components for sample introduction or nebulizers in analytical instruments (e.g., ICP-MS).
Application Industries:
Semiconductor Manufacturing, New Energy (Fuel cell manufacturing, lithium battery electrode coating), Fluid Control (Precision spraying, metering), Petrochemical (Catalyst spraying, additive atomization), Advanced Mechanical Equipment, Electronic Engineering.
Processing Difficulties:
Machining internal flow channels and orifice holes with complex tapered, stepped, or irregular profiles while ensuring extremely high dimensional accuracy and consistency; Achieving high-precision drilling and ultra-smooth internal wall finishing for micron-level (down to Φ0.1mm) orifices; Controlling deformation and residual stress in thin-walled nozzle structures during sintering and machining; Ensuring ultra-high flatness and low roughness of the nozzle face and critical sealing surfaces; Meeting stringent requirements for nozzle lifespan and performance stability under extreme chemical or abrasive conditions.
Processing Flow:
Dispersion of high-purity nano-zirconia powder and slurry preparation → Precision Ceramic Injection Molding (CIM) for near-net-shape green body forming → Catalytic debinding and staged temperature-controlled sintering → Precision CNC machining of external profile and datum surfaces → Ultra-precision micro-hole drilling/grinding (using micro diamond tools) → Multi-axis precision grinding of complex internal flow channels → Ultrasonic-assisted polishing of internal channels and orifices → Chemical Mechanical Polishing (CMP) of functional surfaces → Comprehensive inspection (orifice size, flow coefficient, spray angle, insulation withstand voltage) → Cleanroom cleaning and packaging
Delivery Period:
Standard structure nozzles: 40-70 days
Custom nozzles with micro-holes (<Φ0.3mm), complex internal channels, or high-performance composite materials: 80-150 days
The Zirconia Ceramic Insulating Nozzle is a core component designed to meet the comprehensive requirements for precision fluid atomization, distribution, and spraying in high-end manufacturing, where insulation, wear resistance, corrosion resistance, and ultra-high purity are critical. It integrates the material's exceptional toughness, extreme hardness, and perfect insulating properties, addressing the pain points of traditional metal or polymer nozzles—such as susceptibility to wear, corrosion, and electrical breakdown—when handling corrosive media, particle-laden slurries, and high-voltage insulating environments. Whether used for refined cleaning of semiconductor chips, uniform coating of fuel cell electrodes, or efficient atomization in the chemical industry, the Zirconia Ceramic Insulating Nozzle delivers precise, stable, and long-lasting fluid control, serving as a key element in enhancing process quality and equipment reliability.
Key Features:
Extraordinary Durability: Impact Resistant, Wear Resistant, Corrosion Proof – Benefiting from zirconia's unique transformation toughening mechanism, its fracture resistance is far superior to other ceramics, effectively withstanding high-pressure fluid impact, particle collision, and installation stress. Combined with its top-tier hardness and chemical inertness, the nozzle's internal orifice dimensions and surface smoothness remain stable over extended periods when exposed to corrosive chemicals and abrasive slurries, significantly extending replacement cycles and ensuring process consistency.
Excellent Electrical Insulation and Process Purity Assurance – The material itself possesses excellent insulating properties, allowing safe use in spraying environments with potential differences or where stray currents must be prevented, avoiding electrochemical corrosion and accidental breakdown. Its high-density, non-porous structure ensures zero contaminant leaching, providing an absolutely pure fluid path for processes extremely sensitive to impurities, such as semiconductor and fuel cell manufacturing, safeguarding product yield from the source.
Precision Fluid Dynamic Performance and Consistency – Through ultra-precision machining technology, complex flow channels and orifices with precise dimensions and mirror-smooth internal walls can be manufactured. This extremely high geometric accuracy and surface quality enable the generation of stable, uniform, and repeatable jets or spray patterns (e.g., concentrated droplet size distribution), significantly improving coating uniformity, reaction efficiency, or cleaning effectiveness. It is a core element for achieving high-performance processes.
