Welcome to Hengyuan Advanced Materials, your trusted manufacturer and supplier of high-quality zirconium spheres. Whether you require pure zirconium metal spheres, dense zirconium oxide spheres, or durable zirconium silicate microspheres, we provide precise spherical solutions engineered for the most demanding applications. Our products are used globally in aerospace, medical devices, chemical processing, and precision manufacturing.

At Hengyuan, we produce three primary types of zirconium-based spheres, each tailored to specific industrial needs:

1. Pure Zirconium Metal Spheres (Zr)
Our solid zirconium metal spheres are available in purities from 99% (2N) to 99.99% (4N), with a maximum of 99.999% (5N) upon request. These spheres exhibit a silvery white appearance, similar to titanium, and are known for exceptional corrosion resistance. Typical diameter ranges from 1mm to 30mm, with a 30mm sphere weighing approximately 91.6 grams. Key physical properties include: density 6.506 g/cm³, melting point 1852°C, boiling point 3580°C, Vickers hardness 903 MPa, and tensile strength 230 MPa. These metal spheres are non-magnetic and feature low electrical resistivity (40.0 microhm-cm), making them suitable for electronic and nuclear applications.

2. Zirconium Oxide Spheres (ZrO₂)
Also known as zirconia microspheres, these technical ceramic spheres are exceptionally hard, strong, and tough. They are non-porous, electrically insulating, and resistant to chemicals, thermal shock, friction, and wear. Compared to porcelain, our zirconium oxide spheres are nearly five times as strong. Their creamy-white appearance and glossy surface make them easily identifiable. They possess a Mohs hardness ≥7.2 and crushing strength up to 710N.

3. Zirconium Silicate Microspheres (ZrSiO₄)
Made from pure zircon (zirconium silicate), these solid spheres feature a chemical composition of ZrO₂ 68.5% / SiO₂ 31.5%. Produced using state-of-the-art fusing technology, they offer superior wear resistance, high crushing strength, and a smooth, homogeneous surface with no air-bubbles. Density is 3.86 g/cm³, with melting point >2500°K. Their size standard deviation is less than 8.5%, ensuring consistent performance in high-precision applications.

Thanks to their unique combination of hardness, density, and chemical inertness, our zirconium spheres serve critical roles across many sectors:

Zirconium oxide spheres are ideal for high-precision ball bearings in smooth-running motors, industrial machinery, and even heart pacemakers due to their biocompatibility. They are also used in hip replacements and dental implants, where their strength and radio-transparency offer significant advantages over metals.

Case Example: A European medical device manufacturer replaced stainless steel bearings with Hengyuan’s 5mm ZrO₂ spheres, achieving a 300% increase in component lifespan and eliminating magnetic interference in MRI-adjacent equipment.

As grinding media, our dense ceramic balls are indispensable for producing ultra-fine powders, especially in the pharmaceuticals and food industries where purity is paramount. The high density and smooth surface of our zirconium silicate microspheres result in higher grinding efficiency, increased mill outlet rate, and reduced mill wear. They effectively grind corrosive materials without contamination.

Case Example: A US-based pigment manufacturer switched to Hengyuan’s 100µm zirconium silicate microspheres and achieved a 40% reduction in milling time while lowering impurity levels below 10ppm.

When swirled at high speed inside paints, enamels, and other viscous fluids, these dense little spheres create turbulent and chaotic movement. This action generates powerful shear forces that are highly effective in homogenising and mixing gloopy liquids, ensuring consistent color and texture in every batch.

Our zirconium metal spheres are used as opacifiers and refractory materials in high-temperature alloys. Additionally, zirconium oxide holds an exceptionally strong and long-lasting sharp edge, making it the material of choice for non-magnetic and rustproof cutting tools, including scissors that can cut through Kevlar. These tools retain their edge far longer than steel.

Below is a detailed comparison of Hengyuan’s zirconium sphere product lines. This data ensures you can select the optimal media for your specific process parameters.

Property	Pure Zirconium Metal (Zr)	Zirconium Oxide (ZrO₂)	Zirconium Silicate (ZrSiO₄)
Purity / Composition	99% – 99.999% (2N to 5N)	>99.9% ZrO₂	ZrO₂ 68.5% / SiO₂ 31.5%
Available Sizes	1mm – 30mm diameter	100µm – 1mm	1µm – 2580µm (e.g., 196, 275, 390, 462, 550, 655, 780, 925, 1090, 1290, 1550, 1850, 2180, 2580µm)
Density	6.506 g/cm³	~6.0 g/cm³	3.86 g/cm³
Hardness	Vickers 903 MPa	Mohs ≥7.2	Mohs ≥7.2
Crushing Strength	Tensile Strength 230 MPa	High (ceramic toughness)	≥710 N
Melting Point	1852°C	>2500°C	>2500°K
Key Feature	High electrical resistivity, non-magnetic	Exceptional wear & thermal shock resistance	Narrow size distribution (std dev <8.5%), smooth surface
Primary Application	Aerospace, nuclear, electronics	Medical bearings, cutting tools, grinding	Ultra-fine grinding, fluid homogenization

When you source from Hengyuan, you receive more than just a spherical product. Our manufacturing and quality control provide distinct advantages:

• Superior wear resistance: Our manufacturing process and chemical purity yield much higher wear resistance, resulting in lower contamination rates and improved cost-efficiency over time.
• Higher grinding efficiency: Precise sphericity and high density translate directly into increased mill outlet rates and reduced energy consumption.
• Uniform shape and smooth surface: Each sphere is free from foreign particles, glass fragments, and air-bubbles, ensuring ease of cleaning and consistent results.
• Wide size range, extremely accurate sieving: From 1 micron microspheres to 30mm solid metal balls, every fraction is strictly controlled to ensure an optimal economic application.
• Custom packaging & documentation: Research quantities available in vials or jars; bulk orders in palletized 5-gallon pails, fiber drums, or 1-ton super sacks. Air-sensitive materials packaged under argon. All shipments include Certificate of Analysis and Safety Data Sheet (SDS).

To maximize your process results and ROI, consider the following parameters when selecting a zirconium sphere:

Step 1 – Define Your Application:

• For high-purity metal needs (e.g., sputtering targets, nuclear control rods) → choose pure zirconium spheres (Zr) with 99.9%+ purity.
• For grinding, dispersion, or bearing applications requiring extreme hardness → choose zirconium oxide spheres (ZrO₂).
• For cost-effective, high-wear milling of pharmaceuticals or pigments → choose zirconium silicate microspheres.

Step 2 – Determine Required Size & Purity:
Refer to our technical table. Note that smaller spheres (e.g., 100µm) provide more contact points for fine grinding; larger spheres (e.g., 30mm) are for bulk media or specialized metal applications.

Step 3 – Assess Chemical & Thermal Environment:
Check compatibility using our provided data: electronegativity (1.4 Paulings), specific heat (0.0671 Cal/g/K), and thermal expansion coefficient (5.7 µm·m⁻¹·K⁻¹ at 25°C). Zirconium spheres are insoluble in water and resist most acids.

Step 4 – Request a Sample or Quotation:
We encourage laboratory-scale testing. Contact us to request a sample of any listed product code (e.g., ZR-M-03-SPH for 3N metal spheres, or catalog numbers 402011-20 for 196µm silicate spheres).

Hengyuan Advanced Materials operates under strict quality systems. Each batch of zirconium spheres is tested for:

• Linear formula and molecular weight (Zr: 91.22; ZrSiO₄ calculated).
• Trace impurities via ICP-MS.
• Particle size distribution using laser diffraction.
• Morphology and surface defects by SEM.

Our typical CAS numbers include 7440-67-7 (zirconium metal), with MDL Number MFCD00011303 and EC No. 231-176-9. We ship globally from our strategically located warehouses, ensuring fast delivery to North America, Europe, and Asia. For urgent needs, we offer expedited shipping options.

Ready to improve your process with high-performance zirconium spheres? Contact our engineering team for personalized support. We offer free initial consultations on material selection and can provide detailed quotations within 24 hours.

Email: melissa@hyadvancedmaterials.com
WhatsApp: +8619112802255
Website: hyadvancedmaterials.com

Hengyuan Advanced Materials – Precision in every sphere.