2844 



Chapter 23 



CO 



q: 



O 



o 



CO 



UJ 

 Q 



PRESSURE 



CLOSING TIME 



Figure 23-73. — Relationship between pressure or closing time and density contrast over 

 cross section of medium-density fiberboard. (Drawing from Suchsland and Woodson 

 1974.) 



I 



<0 



UJ 



u. 

 o 



CO 



ID 



Q 

 O 



800 



700 



o 

 o 

 o 



--• 600 



500 



400 



100 200 



CLOSING TIME - SECONDS 



300 



Figure 23-74. — Relationship between press closing time and modulus of elasticity in 

 bending of experimental medium-density fiberboard pressed at two different platen 

 temperatures. (Drawing from Suchsland and Woodson 1974.) 



