... -2005, ISO9050, UL1703, EN12150, RoHS 1/4" thick extra clear glass -Solar transmittance: (3.2mm ISO9050/2003)>=91.7%GB15763.2 ... angle incidence. Features High solar transmittance Eco-friendly Specification Thickness: 3.2&4mm Maximum size: 2250*3500mm (annealed) 1219*1930mm ... , high-quality office, living room, kitchen, on walls and so on bathroom 1/4" thick extra clear glass / UL1703 & EN12150 approved