... <= 3mm/m, local bow<=0.4mm/300mm iron 1.3.2mm 2.Solar prismatic glass. 3.Thickness: 3.2mm, 4mm. 4.ISO,CCC ... Rohs SPF CCCPropertyCertificate ownedSPF certificate,CE certificateThickness(mm)3.2±0.2Dimension(mm)1574*802Dimension Tolerance(mm)±1.0Surface ... patterned glass, low iron mistlite, 3.2mm extra clear glass, extra clear solar glass, solar panel glass, PV ultra clear patterned glass ...