Products Description
Ceramic needles are usually made of a hard and durable ceramic material. Therefore, compared with traditional stainless steel needles, Alumina ceramic needles have excellent corrosion resistance and can provide reliable performance even in corrosive environments, making them very suitable for use in corrosive environments. In addition, Alumina ceramic needles have excellent wear resistance and chemical resistance, which can not only effectively reduce the degree of wear. At the same time, the ceramic needle has a low surface roughness, which helps reduce the formation of deposits during repeated use. Moreover, ceramic needles have become an indispensable key component in modern precision industry and scientific research fields due to their excellent properties. Alumina ceramic needles are not only suitable for solving metal dissolution and wear problems, but also provide high-quality, durable, and multifunctional solutions for a wide range of applications in medical technology, automation equipment, sensors, and other fields.

product details
| Product name | Ceramic Needle |
| Color | Customized according to the client's requirements |
| size | Customized according to the client's requirements |
| Packaging | Carton /Pallet/Wooden case (According to client requirement ) |
| Delivery time | Standard Product-Within 3 days |
| Items Design | According to the client's drawing or samples |
| Features | Good quality, low price, Multiple factories, deliver to you based on the one closest to your location |
| Application | Industrial Ceramics |
| Certificate | ISO, CE |
Products performance
- Extremely High Hardness and Wear Resistance: Ceramics are significantly harder than most metals, even approaching the hardness of diamond. This gives ceramic needles exceptional resistance to scratching and abrasion, resulting in an extremely long service life, making them particularly suitable for applications involving frequent contact or friction.
- Outstanding Corrosion Resistance: They exhibit excellent chemical stability against most strong acids, alkalis, and organic solvents. They do not rust or undergo chemical corrosion, allowing for long-term, stable operation in harsh chemical environments.
- Excellent High-Temperature Resistance: They can maintain their shape and properties at temperatures far exceeding the limits of metals, with operational temperatures up to 1600°C and above. They also do not oxidize at high temperatures.
- Low Density and High Stiffness: Ceramics have a relatively low density but a high elastic modulus, meaning they are lightweight yet resistant to bending and deformation. This ensures motion precision and dimensional stability.
- Superior Electrical Insulation: They are perfect insulators, suitable for applications requiring current isolation, prevention of discharge, or electrical testing.
- Bio-inertness: Medical-grade ceramics (e.g., zirconia) are non-irritating and non-sensitizing to human tissues, offering good biocompatibility. This allows for use in medical devices intended for implantation or contact with bodily fluids.
- Non-Magnetic Property: They are unaffected by magnetic fields, which is crucial in environments requiring non-magnetic components, such as Magnetic Resonance Imaging (MRI).
Products application
- Industrial Sector:
Textile Machinery: Used as yarn guides, drawing frame needles, etc. Their wear resistance and smooth surface significantly reduce fiber wear and static electricity generation.
Precision Metrology: Serve as probes for Coordinate Measuring Machines (CMMs) and profilometers. Their high rigidity and low thermal expansion enable nanometer-level measurement accuracy.
Electronics Industry: Used for semiconductor testing, PCB probes, dispensing or transfer needles in LCD panel production, leveraging their insulation, anti-static, and chemical resistance properties.
High-Precision Dispensing: In microelectronic packaging, used for dispensing solder paste, conductive adhesives, etc., ensuring stable output, no clogging, and no contamination.
- Medical and Life Sciences Sector:
Minimally Invasive Surgical Instruments: Serve as tip components for endoscopic surgical tools, utilizing their high hardness and biocompatibility for cutting or dissecting tissue.
Aesthetic Medicine: Used in microneedling for mesotherapy, etc. Their extremely fine tips and biosafety are superior to metal microneedles.
Laboratory Equipment: Used as injection needles or components in Liquid Chromatographs and Mass Spectrometers, offering corrosion resistance and preventing metallic ion contamination.
- Scientific Research and Special Applications:
Scanning Probe Microscopy: Serve as probes for Atomic Force Microscopes (AFM) for surface topography and property analysis.
High-Temperature Environmental Testing: In materials science experiments, used for supporting or manipulating samples inside high-temperature furnaces.
Jewelry and Precision Cleaning: Used for perforating fine jewelry or cleaning high-value precision components, avoiding scratches caused by metal tools.
Products Parameters
| Number | Performance | Unit | Materials | |||||||
| 86-94.5 Porcelain | 95 Porcelain | 97 Porcelain | 99 Porcelain | 99 Porcelain | 995 Porcelain | 997 Porcelain | 999 Porcelain | |||
| Al2O3 | Al2O3 | Al2O3 | Al2O3 | Al2O3 | Al2O3 | Al2O3 | Al2O3 | |||
| 1 | Density | g/cm3 | 3.4-3.7 | 3.7 | 3.8~3.85 | 3.85 | 3.9 | 3.9 | 3.92 | 3.98 |
| 2 | Flexural strength | MPa | 250-330 | 304 | 320 | 340 | 450 | 370 | 400 | 550-600 |
| 3 | Fracture toughness | MPa·m1/2 | 3.8 | 4 | 4.5 | 5.6-6 | 6.2 | 5.6-6 | 5.6-6 | 2.8-4.5 |
| 4 | Dielectric constant | εr(20℃,1MHz) | 8.5-9.0 | 9.0 | 9.2 | 9.5 | 9.5 | 9.7 | 9.8 | 9.9 |
| 5 | Hardness | GPa | 9.7-12 | 12.8-15 | 15 | 15-16 | 16.3 | 16.3-18 | ||
| Hardness | HRC | 65.8-72 | 73-79 | 79 | 79-80 | 81 | 81-83 | |||
| 6 | Volume resistivity | Ω·cm(20℃) | 10 13 | 10 13 | 10 14 | 10 14 | 10 14 | 10 14 | 10 14 | 10 14 |
| 7 | Elastic modulus | GPa | 250-300 | 320 | 350 | 330 | 350 | 380 | 380 | 400 |
| 8 | Coefficient of thermal expansion | ×10-6/k | 7-7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 5.4-8.4 | 6.4-8.9 |
| 9 | Compressive strength | MPa | 1850 | 1910 | 2100 | 2210 | 2500 | 2300 | 2300 | 2300 |
| 10 | Abrasions | g/cm2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| 11 | Thermal conductivity | W/m×k(20℃) | 15-20 | 20 | 24~27 | 34 | 38 | 35 | 35 | 38.9 |
| 12 | Poisson's ratio | / | 0.2 | 0.22 | 0.22 | 0.22 | 0.22 | 0.22 | 0.22 | 0.22 |
| 13 | Insulation strength | kv/mm | 20 | 27 | 28 | 28 | 28 | 28 | 30 | 30 |
| 14 | Temperature | ℃ | 1440-1600 | 1520-1600 | 1650 | 1650 | 1650 | 1650 | 1700 | 1700 |
quality control
In strict adherence to the ISO 9001 Quality Management System, we implement full-process quality control to ensure the consistent delivery of high-quality products:
• 100% inspection of raw materials, guaranteeing quality from the source
• Utilization of advanced hot-pressing production lines for stable and reliable processes
• A comprehensive in-house testing system covering density, hardness, and microstructure analysis
• Availability of third-party authoritative certifications (including SGS, CE, ROHS, etc., provided upon request)
We remain committed to continuous improvement of our management system, providing customers with consistent and reliable product assurance.

why choose us
As a leading supplier in the industrial ceramics sector, we specialize in crafting raw materials into a diverse array of blank shapes and offer secondary processing to tailor products to our client's specific requirements. Our competitive edge in the global market is bolstered by several key strengths:
- Uncompromising Quality Assurance: We maintain stringent quality control standards, offer a comprehensive range of specifications, and are equipped to handle custom orders for non-standard products.
- Dedicated Service Team: Our team of professionals is committed to providing top-tier service, ensuring that every customer interaction is a positive experience.
- Robust Packaging Protection: We prioritize the safety of our products during transit with multiple layers of protective packaging, ensuring secure and reliable delivery.
- Efficient Logistics: We boast a swift and dependable delivery system, giving our customers peace of mind regarding the timely arrival of their orders.
Should you be in search of premium Alumina ceramic needles or other ceramic products, and are seeking a reliable long-term partner for international collaborations, we invite you to reach out to us. We are committed to exceeding your expectations and fulfilling your needs. For any inquiries regarding ceramic needles or our services, simply click on the 'Contact Us' button for immediate assistance from our professional customer service team.
We eagerly anticipate your visit and the opportunity to serve you!
about us

A corner of the Storage and delivery area

A corner of the processing workshop

A corner of the grinding machine workshop

A corner of the grinding machine workshop

Technical research and development department

A corner of the grinding machine workshop

Wire cutting equipment

R&D department meeting

Cutting blank processing

Cutting blank processing

Experimental furnace

Experimental furnace

Centerless grinding production and processing

Large isostatic pressing equipment

Grinding wheel

Experimental furnace

Hot Tags: ceramic needle, ceramic needle manufacturers, suppliers, factory, photovoltaic alumina substrate, yttrium oxide ceramic tube, alumina ceramic auxiliary impeller


