AIS is into manufacturing of wide range of international quality automotive safety glass, floatglass, architectural processed glass and glass products. AIS offers Tempered Glass is 4 to 5 times stronger than an annealed glass of similar thickness. For a fully tempered glass the minimum surface compression is 10000 psi and for a heat strengthened glass is 4000-7000 psi for 6 mm glass. A fully tempered glass is recommended for windows that are on high floors or skylights where people are required to stand on top for cleaning. Also areas where risk of thermal breakage or impact breakage is high, fully tempered glass should be used so as to avoid risk of injury.