Blue grey float glass is made by good material,good flatness and excellent thickness uniformity. Blue grey float glas1.Thickness available:4mm,5mm,5.5mm,6mm,8mm,10mm2.General Size Available:3300*2134/2140mm,1524*2134mm,1650*2140mm....Of course we can supply you other size as you required if your quantity large enoughQuality Standard: GB11614,Chinese standard. EN572.2,European standard ASTMC1036-5 ...