Tempering: Glass is heat-treated by heating annealed glass to ~620°C and then rapidly cooling by airflow. As a result, tempered glass is about 4 times stronger than annealed glass. In addition, tempered glass breaks into small fragments, reducing probability of serious injury. . Glass manages solar heat radiation by three mechanisms: reflectance, transmittance and absorptance. Absorptance – the proportion of solar radiation absorbed by the glass. In hot conditions or for building with high internal loads, solar control glass is used to minimise solar heat gain. It allows. . Most commercial glasses are oxide glasses with similar chemical composition. The main component is Silicon Oxide, SiO 2, which is found in sandstone. Annealed Glass: The components are heated in a furnace at temperatures above 1560°C and cooled down slowly after the forming process, resulting in. . Solar glass is a type of glass that is specially designed to harness solar energy and convert it into electricity. It is made by incorporating photovoltaic cells into the glass, allowing it to generate power from sunlight. This glass reflects and absorbs the sun's rays and helps control the glare. Solar glass only allows a small amount of heat to pass when compared to normal glass, i.. . Solar control low-e glass reduces the amount of heat that gets absorbed into a home during the day, making it an ideal window glass for moderate to warm (or cooling-dominated) climates. Windows in cooling-dominated (hot) climates transmit solar heat energy to the interior of the home. This is why. .