Black Glass Balls

Black glass balls, a type of glass ball, are used in a variety of functions, however, it is most common in instrumentation. Black Glass is used in flow-meters and indicators. Black glass balls are moderately resistant to corrosion.


Silica 69.5%
Soda 15.4%
Lime 3.8%
Magnesium ——
Alumina 0.3%
Boric Oxide 1.1%
Manganese Oxide 7.2%
Potassium Oxide 2.7%


Other Glass Balls:

Borosilicate Glass Balls

Soda-Lime Glass Balls

The information on this web site is intended for guidance only. Since we gathered technical data from various technical sources, the actual mechanical and physical properties will vary from one lot of material to the next. Therefore, we accept no liability for deficiencies or damages arising from the use of this data, and customers should determine the suitability of a material or product by conducting practical tests under realistic conditions.