... )>=91.7% GB15763.2-2005, ISO9050, UL1703, EN12150, RoHS 4mm extra clear glass -Solar transmittance: (3.2mm ISO9050/2003)>=91.7 ... -2005,UL1703,rohs- 25day delivery- 20 years experience-3-19mm- extra white glass / ultra white glass / low iron glass + painted + temperedUltra ... Application: Solar, appliance, furniture Welcome to visit our factory! 4mm extra clear glass / UL1703 & EN12150 approved