... ConnectorCompatible typeand typeGlasss, Type and ThicknessHigh transmissivity, Low iron , tempered glass 3.2mm Eva, BacksheetEva, TPTFrameAluminum-alloy 30*25mmNet Weight , Maximum ... Place the solar cell in between of two pieces of glass, leave some space between each layer so as to let ... , making the light intensity controllable.5.The thickness of the glass scales from 3.2 to 6(mm).6.Junction box: can ...