formaldehyde:low moisture:less than 14% tolerance of length width and thickness:-0.4,0.4 certification:ROSH6,CARB,CE Melamine mdf/hdfSize: 4' x 8', 5' x 8', 6' x 8', 7' x 9', 6' x 12'Thickness: 2.3 mm~36mmDensity: 650-720kg/m3 Formaldehyde Emission: E0, E1, E2 Remarks: Customized sizes and thickness are available