Specifications:
Model Number: SSA-999W-20
Diameter: 0.8 inches (20 mm)
Chemistry: Al2O3/99.9%
Density: 3.9g/cm3
HV Hardness: 17.2 GPa (1750 kgf/mm2)
Breaking toughness: 3.5 MPa√m
Tangled wear rate: 6ppm/h
Weight: 2.2 lbs (1
Features
It has excellent abrasion resistance and is 99.9% pure so there is almost no content other than alumina.
There are very low U-Ths content, so there is very little to contain radioactive elements.
Footnotes
The price is per 2.2 lbs (1 kg).