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✅ 99% High-Purity Alumina – Exceptional wear resistance, high-temperature durability, and corrosion resistance, ideal for semiconductor manufacturing, electronic packaging, and precision machinery.
✅ CNC Ultra-Precision Machining – Achieving ±0.01mm tolerance, with fine grinding for an ultra-smooth surface.
✅ Factory Direct Supply – No middlemen, ensuring the best quality at the most competitive prices.
✅ Custom Manufacturing – We offer tailor-made solutions to meet your exact specifications in size, shape, and tolerance.
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NEW018
HaoRui
custom01001
Our porous alumina ceramic plates are manufactured using high-purity Al2O3 materials combined with advanced porous ceramic forming technology and precision CNC machining. Featuring uniform microporous structure, excellent air permeability, high flatness, and superior wear resistance, these porous ceramic plates are widely used in semiconductor vacuum adsorption systems, wafer handling equipment, LCD glass transfer systems, precision automation, and electronic manufacturing industries.
The uniform porous structure provides stable vacuum adsorption performance while maintaining excellent mechanical strength and dimensional stability.
Certifications: ISO 9001 • RoHS 
Key Specs
| Material | 95%–99.5% Alumina (Al₂O₃) |
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| Tolerance | ±0.01 mm (CNC & fine grinding) |
| Surface | Matte / Polished / Mirror (optional) |
| Working Temp | Up to 1300–1650°C |
| Density | 3.7–3.95 g/cm³ |
| Lead Time | Sample: 7–14 days • Mass: 14–35 days |
±0.01mm precision for critical assemblies
Custom machining from prototypes to mass production
Electrical insulation for high-voltage equipment
Wear & high-temp resistant — ideal for furnace and mechanical parts
Our Advanced Alumina Ceramic Base is engineered for demanding industrial applications. With high-purity Al₂O₃ and precision CNC machining, it offers outstanding hardness, dimensional stability, electrical insulation, and resistance to wear and high temperatures. We support custom dimensions, tight tolerances, and surface finishing to match your assembly or fixture needs.
95%–99.5% Al₂O₃ for stable performance
CNC machining & fine grinding to ±0.01mm
Any shape, hole, or surface finish
Precisely controlled pore distribution ensures stable and uniform vacuum adsorption performance.
Suitable for precision suction, wafer handling, glass transfer, and non-contact positioning applications.
Advanced CNC machining and precision grinding provide excellent flatness and tight dimensional tolerances.
High hardness alumina ceramic offers long service life under continuous industrial operation.
Stable performance in harsh chemical and industrial environments.
Maintains dimensional stability and adsorption performance under elevated temperatures.
Send your drawing or sample. Fast quote & global shipping.
Custom porous alumina ceramic plates with uniform microporous structure, excellent vacuum adsorption performance, and precision CNC machining for semiconductor, electronic, and automation equipment applications.
