3062 Chapter 24 



Neat cement (no wood) and water has TE of about 65° and T2 of about 7 

 minutes. Without treatment, only chestnut oak seemed suitable for wood-ce- 

 ment board; with treatment an additional eight species might be used (black, 

 southern red, scarlet, post, water, and white oaks plus red maple and black 

 tupelo. Results are summarized as follows (fig. 24-67): 



Treatment and species T2 TE 



Untreated 



Chestnut oak . . . 



Yellow-poplar . . 



Sweetgum 



Water oak 



Black tupelo. . . . 



White oak 



Hickory 



Post oak 



Black oak 



Scarlet oak ..... 



Southern red oak 



Red maple 



Treated 



Hickory 



Sweetgum 



Yellow-poplar . . 



Black tupelo. . . . 



Scarlet oak 



Southern red oak 



Red maple 



Water oak 



Chestnut oak . . . 



Post oak 



Black oak 



White oak 



