Composition & manufacturing Following storage for at least 3 months, the debarked softwood logs of selected species are reduced to flakes some 10 to 30 mm in length and 0.2 to 0.3 mm in thickness using drumknife flaking machines. After passing through a hammermill, the flakes are separated into surface and core material by screening, and are then mixed with …

Density Hardboards > 900kg/m3Mediumboards* > 400kg/m3 to <900kg/m3Softboards > 230kg/m3 to <400kg/m3*Mediumboards (which should not be confused with Medium Density Fibreboard – MDF) can be sub-divided into:Low density mediumboards 400kg/m3 to <560kg/m3High density mediumboards 560kg/m3 to <900kg/m3 Composition & Manufacturing process Wet process fibreboards can be made using either softwood or temperate hardwood species (or both) (some low density mediumboards are made from recycled …

Composition MDF can be manufactured with either softwood or hardwood species. The majority of MDF manufactured is composed mainly of softwood although some individual brands may contain a higher percentage of temperate hardwood depending on the location of the factory to the local forest resource.The constituents of a typical standard MDF manufactured in the United Kingdom or Ireland are 82% …