... ~21mm 3.light color and economic rate High Quality Fire rated mdf board E2 mdf board Size: many kinds of size ... ,220mm x 2,745mm), 5 x 8 ' (1,525mm x 2,440mm), 5 x 9'(1,525mm x 2,745mm), 6 x 8' (1,830mm x 2 ... ,440mm), 6 x 9' (1,830mm x 2,745mm), 7 x 8' (2,135mm x 2 ... ), 7 x 9' (2,135mm x 2,745mm), 8 x 8' (2,440mm x 2,440mm), 8 x 9' (2,440mm x 2,745mm 2800 x 1220 ...