Upgraded metallurgical-grade Silicon (UMG-Si) – Definition, Glossary, Details – Solar Mango

Metallurgical silicon normally has too many impurities for making solar cells. Purifying metallurgical silicon into “upgraded metallurgical silicon,” or UMG, creates a cheaper alternative than traditional methods. The photovoltaic industry produces upgraded metallurgical-grade silicon (UMG-Si), using metallurgical instead of chemical purification processes.

India Renewable Energy Expert