4.0mm AR Coated Tempered Glass 1.ISO9001and TUV Certificate 2.thickness:3.2mm 4mm 3.High transmittance rate > 93.68% 4.0mm AR Coated tempered Glass Key Feature:Super white, flat rectangular, tempered(toughened), smooth on surface and embossing on reverse,AR Coating. Application solar glass is mainly used for encapsulation of the solar modules(cell, panel). It can be still used for collector and ...