Single-Crystal Al₂O₃:Cr Spheres Pack of 10

High purity single crystal alumina balls made from Al₂O₃, offering excellent hardness, chemical resistance, and outstanding dimensional stability. The chromium doped ruby variant provides a distinctive red color and is suitable for high precision applications.

Available in precision grades such as G5 and G10, indicating extremely tight tolerances in diameter, sphericity, and surface finish. Lower grade numbers correspond to higher precision and tighter tolerances.

Precision grades

Grade G5
Diameter tolerance ±0.13 µm
Sphericity 0.13 µm
Surface roughness approximately 0.01 µm

Applications

Precision mechanics and bearings
Optical and measurement systems
Vacuum and high purity environments
Laboratory and research applications

Bulk orders

For large or wholesale quantities, please submit your request via Quotify.