... *2200 Technical dataProduct: solar lowiron float glassThickness: 2.5mm,2.8mm,3mm,3.2mm,4mm,5mm,6mmThicknesstolerance: ± ... glass:1850x2200mmSun lighttransmission: 91%Iron content : <100ppmDensity 2.5076g/ccSofteningpoint710Annealingpoint547Strainpoint513Product : solar lowiron textured glassThickness:3mm,3. ... : 91.6%Iron content : <110ppmDensity 2.5g/ccSoftening point720Annealingpoint550Strainpoint500