1.Global bow<= 3mm/m, local bow<=0.4mm/300mm iron 1.3.2mm 2.Solar prismatic glass. 3.Thickness: 3.2mm, 4mm ... called photovoltaic glass which mainly used on solar panel because of its super light transmittance rate. Solar panel is a thin layer of optoelectronic ... iron mistlite, 3.2mm extra clear glass, extra clear solar glass, solar panel glass, PV ultra clear patterned glass, ultra clear rolled glass ...