1.Smooth and flat surface and good vision. 2.Resistant to acid, alkali and corrosion 3.Flexible size specifications minimize Clear ... to lehr. While floating through the molten tin, the glass under the works of gravity and surface tension becomes smooth and flat at ... , 5mm, 6mm, 8mm, 10mm, 12mm, 15mm, 19mm, 20mm, 22mm, 25mm High quality of 5mm Float Glass with ISO