Low e glass for curtain wall Low-E glass is produced by plating a nanometer-level silver layer on high quality float glass, by means of vacuum magnetron. It allows the sun's heat and light to pass through the glass into the building. At the same time it blocks heat from leaving the room, reducing heat loss considerably. Low-E glass maybe classified as single low e, double low e and triple low e glass etc. Single silver low e glass Double silver low e glass Performance specifications: Maximum size: 2540mmx3660mm Minimum size: 300mmx800mm Thickness: 3-19mm On our website www.alibaba.com ,you will see lots of our products for your reference. OEM service and buy label servive offered