3116 



Chapter 25 



Figure 25-18. — (Top) Linerboard combined with corrugating medium for use in corru- 

 gated boxes. (Bottom) Scanning electron micrograph (500X) of press-dried high-yield 

 southern red oak linerboard showing compact consolidation of the pulp fibers. A 

 screened texture on both sides of the sheet is typical of linerboard made by the press 

 drying process. (Photos from U. S. Forest Products Laboratory). 



