Alumina
Rod

Diameter: 1mm, 1.5mm, 2mm, 5mm, 6mm, 10mm, 12.7mm, 20mm
Sheet

Thickness: 0.15mm, 0.25mm, 0.5mm, 0.64mm, 1mm, 2mm, 2,5mm, 3mm, 4mm, 5mm, 10mm
Spheres

Diameter: 0.5mm, 1mm, 3mm, 5mm, 6mm, 18mm
All the materials you'll need for Scientific Research and Manufacturing

Diameter: 1mm, 1.5mm, 2mm, 5mm, 6mm, 10mm, 12.7mm, 20mm

Thickness: 0.15mm, 0.25mm, 0.5mm, 0.64mm, 1mm, 2mm, 2,5mm, 3mm, 4mm, 5mm, 10mm

Diameter: 0.5mm, 1mm, 3mm, 5mm, 6mm, 18mm