Fiberboards Comparison Chart

 
Density: + - - - - - - - - 80 79 - - - - - - - - 70 69 - - - - - - - 60 59 - - - - - - - - 50 49 - - - - - - - - -
( lbs. / ft3 )          
Industry technical
definition:

Hardboard

.
HDF
(High Density
Fiberboard)
.
.
MDF
(Medium Density
Fiberboard)
           

Commonly
refered to as:

hardboard; Masonite®
HDF; MDF;
"Thin MDF"
TMDF; THDF;
.
MDF;
fiberboard
.
MDF

MDF;
light or
ultralight MDF

Practicle
descriptions:
.
Wet Process:

hardboard
.

 
  Dry-process:

hard-
board

HDF
.

MDF
.

light & ultralight
MDF