PVC Gypsum Board in 15mm

ItemStandard requirmentsValue of factual measurementDeviation of length(mm)0 -6-2Deviation of width(mm)0 -5-2Deviation of thickness(mm)±0.5-0.4Deviation of diagonal(mm)≤52Deviation of width for taper arris edge (mm)30 8030Deviation of depth for taper arris edge (mm)0.6 1.90.6Weight per SQM(KG/M2)-thickness≤12.09.5Flexural strenth(N)Longitudinal511≥500Crosswise204≥180Protecting surface paperUnexposedUnexposedStickened with plasterCoefficient of internal irradiationIRa≤1.0(gradeA)0.0Coefficient of external irradiationIr≤1.3(gradeA)0.1NoteExecutive stadard:GB/T9775-1999-<Gypsum board test standard>, GB6566-2001--<Building material radioactive nuclide ration>