We supply various specifications of alumina granules (coating aluminum oxide pellets) with purity of 99%, 99.5%, 99.9% and 99.99%, including spherical, cylindrical and sintered Al₂O₃ types. Standard particle sizes range from 0.3mm to 10mm, custom sizes are available. Featuring high density, low outgassing and excellent chemical stability, our alumina granules are ideal evaporation materials for vacuum coating, optical film deposition, widely applied in optical lens coating, decorative film and semiconductor thin film industry.
High Purity Spherical Alumina Granules Aluminum Oxide Coating Pellets
High Purity:
Multiple purity grades available: 3N / 4N / 5N / 6N (99.9% ~ 99.9999%), ultra-low impurity content, stable and consistent material performance.
Excellent Electrical & Thermal Conductivity
Outstanding electric and thermal conductivity, widely applied in electronics, heat sinks, batteries, conductive components, semiconductor, sputtering targets and heat dissipation fields.
Mirror Smooth Surface Finish
Flat, polished, contamination-free surface, greatly improves follow-up coating, welding, cutting and other secondary processing effects.
Advantage
High Ductility & Malleability
Superior forming performance, easy to bend, stamp, roll without cracking during processing.
Superior Corrosion Resistance
Stable anti-corrosion property under diverse working environments, guarantees long service life for industrial scenarios.
Versatile Custom Processing
Supports cutting, bending, stamping, CNC machining and size customization as per client’s technical drawings and requirements.
Customers' comments on
Targets, Powder, Foil, Wire, Rod & Profiles
We specialize in advanced new materials with 100,000+ stock SKUs, custom R&D and OEM processing. Full production lines from smelting to precision machining support small & non-standard orders. We fabricate targets, powder, foil, wire, rod and profiles of almost all safe elemental, alloy, compound and composite materials, featuring high purity, great conductivity, smooth surface, good ductility, corrosion resistance and flexible processing.
