2750 



Chapter 23 



LOW WOOD SPECIFIC 

 GRAVITY 



HIGH WOOD SPECIFIC 

 GRAVITY 



LOW BULK DENSITY 



HIGH BULK DENSITY 



EQUAL WEIGHTS 

 UNEQUAL THICKNESSES 



MAT 



EQUAL THICKNESSES 

 EQUAL BOARD DENSITIES 



BOARD 



HIGH COMPRESSION 

 RATIO 



LOW COMPRESSION 

 RATIO 



HIGH STRENGTH 



LOW STRENGTH 



Figure 23-5. — Strength properties of dry-formed fiberboords related to wood specific 

 gravity. (Drawing from Suchsland and Woodson 1985.) 



