Hardboard panel 1)Density:900kg/m3 and up 2)Thickness:2.5mm--6mm 3)Glue:WBP 4)Kinds:one smooth,two sides smooth,embossed Hardboard panel1)size:1220*2440*2.5mm---6mm2)Glue:wbp3)Tolerance in thickness :+/-0.2mm4)Density:920---950kg/m3any questions ,please call james 0086-13791654073 Hardboard Panel