... 2.0mm,2.3mm,2.5mm,2.7mm,3.0mm,3.2mm.Length:1800 to 2500; Width:1000 to 1220; thickness:2.0mm to 5.0mm.Advantage:non-formaldehyde.2 ... .Cement hardboardSizes:1000*2000,1220*1830,1220*2440Normal thickness:2.0mm,2.3mm,2.5mm,2.7mm,3.0mm,3 ... hardboardSizes:1000*2000,1220*1830,1220*2440Normal thickness:2.0mm,2.3mm,2.5mm,2.7mm,3.0mm,3.2mm.Length:1800 to 2500; Width ...