... -Class in China.1.Standard hardboardSizes:1000*2000,1220*1830,1220*2440Normal thickness:2.0mm,2.3mm,2.5mm ... .Advantage:non-formaldehyde.2.Cement hardboardSizes:1000*2000,1220*1830,1220*2440Normal thickness:2.0mm,2.3mm,2.5mm ... /100g;better strength.3.Embossment hardboardSizes:1000*2000,1220*1830,1220*2440Normal thickness:2.0mm,2.3mm,2.5mm ... about these products.5.Pacakage: High density board1220*1830*2.5mm