Zirconia Ball for Grinding High Speed Grinding and Surface Polishing
High-purity yttria stabilized zirconia balls are premium grinding media specially optimized for high-speed grinding and precision surface polishing processes. Produced via advanced isostatic pressing and high-temperature sintering, these beads feature perfect sphericity, ultra-high hardness and uniform internal density. They can endure long-duration high-speed machine operation, delivering efficient particle pulverization, uniform fineness and smooth surface finishing. With extremely low self-wear and structural stability, they avoid media breakage and material contamination, greatly improving processing efficiency and product surface quality for fine industrial materials.
Technical Parameters
|
Item |
Specification |
|
Material |
95% ZrO₂ + 5% Y₂O₃ |
|
Density |
6.0–6.15 g/cm³ |
|
Hardness |
1250–1350 HV |
|
Sphericity |
≥98% |
|
Size Range |
0.2mm–10mm |
Core Performance Advantages
These zirconia balls excel in high-speed working conditions compared with ordinary grinding media. Their excellent fracture toughness prevents cracking and peeling under high-speed friction and impact. The ultra-smooth polished surface ensures zero scratching on material surfaces, achieving precise and delicate polishing effects. Stable physical and chemical properties support continuous high-speed circulation grinding, reducing equipment load and media replacement frequency while maintaining consistent processing results in mass production.
Industry Application Scope
Ideal for high-speed grinding and surface polishing, the media is widely used in coating, ink, ceramic material, new energy material and cosmetic powder industries. It perfectly matches high-speed sand mills and planetary ball mills, suitable for ultra-fine powder grinding, material dispersion and surface fine polishing, meeting strict precision requirements for high-end industrial products.
Frequently Asked Questions
Q1: Can zirconia balls work stably in long-term high-speed grinding? A1: Yes, high hardness and toughness enable stable operation without breakage or excessive wear. Q2: Does it improve surface polishing quality? A2: Definitely. High sphericity and smooth surface effectively remove burrs for uniform and flat material surfaces.


