Calumite Mill

Learn How Calumite Slag
Helps Your Business

What is Calumite Slag?

Chemical Composition

Chemical CompositionCalumite slag is used as a raw material in all types of soda-lime silica glasses. As a melting and refining aid, it reduces furnace energy consumption, reduces NOx and CO2 emissions, and improves final glass quality.

Calumite slag has traditionally been viewed as an alumina source, but it is a valuable source of all the major glassmaking oxides. The particle size distribution ensures it is compatible with other glassmaking raw materials in the batch.