... (2′X4′)Thickness:7.0,7.5, 8.0,8.5,9.0,9.5,12,12.5Specifications ToleranceLength: +_ ... 1350/1400 cartons, 3239.40-4032 squre meters, 23.5 Tons , loaded in one 20′FCLB. Technical Data1.Weight ... / sqm: 7.0 MM: 5.5KGS. 7.5MM: 5.7KGS.8.0MM:5.9KGS.8.5MM:6.2KGS.9.0MM ... resisting dust,conform to the standard of GB6566-2001<Building material radioactive nuclide ration>Moisture resistant, slight deviation,easy ...