... ',1220X2440mm panel:mdf product name: grey board with iron grey-B melamine mdf,mdf grey board 1)face:grey dot color melamine paper 2)material:MDF ... ',1220mmx2440mm 4)Length and width tolerance :+/-2MM allowable 5)MDF thickness:2.5mm,3mm,5mm,6mm,9mm,12mm,15mm,18mm,25mm 6 ... )Thickness tolerance: +/-0.2MM allowable, 8)Density: 700-760KGS/CBM(MDF),650-680KGS/CBM(particle board) 9)finish:glossy,matt,textured ...