This type of glass is produced during a chemical process by placing a chemical layer on one surface and has a high performance in preventing heat loss compared to ordinary glass and nowadays this type of glass in the form of laminated and double glazed is widely used in order to reduce the cost of energy.

Currently, Forough e Sepahan Company is one of the few providers of this type of glass in the country. Of the most important and most used types of this type of glass are Low E, PLANIBEL G and SUNERGY.

Low E and PLANIBEL glass prevent heat loss from building. SUNERGY glass in addition to mentioned ability, is capable of preventing direct sunlight thermal energy entering to the building and in hot seasons, to the high extent it prevents UV penetration through the glass. Also due to SUNERGY glass high color diversity, it gives a special beauty to the appearance of the buildings