Glass is being used worldwide and has various applications. It is widely used in Buildings and having Industrial applications. The presence of glasses in our everyday environment is so common that we rarely notice their existence. Earlier Egyptians considered glasses as precious materials, as evidenced by the glass beads found in the tombs and holy places. Humans have been producing glasses by melting of raw materials for thousands of years. The present book covers different important parameters of glass technology. The book is comprehensive guide for researchers, technologists, new entrepreneurs and professionals.