3002 



60 

 40 

 20 



Chapter 24 



T 1 



POUNDS/ CUBIC FOOT 



24-HOUR WATER SOAK 



10 4 



OD - VPS 



J 



8 10 0' 4 6 



RESIN CONTENT ( PERCENT) 



10 



Figure 24-44. — Relationship between phenol-formaldehyde resin solids content (ap- 

 plied as liquid spray), in yellow-poplar and sweetgum flakeboard of three densities, 

 and thickness swell after six cylces of ovendrying and water soaking. Flakes were 1 /2- 

 inch to 1 inch long, 0.01 5 inch thick, and 1 /8- to 1 /4-inch wide. Panels were pressed 1 5 

 minutes at ZBO^F with 400 psi specific pressure. (Drawing after Rice and Carey 1978.) 



