Official Journal of the Japan Wood Research Society
From: Potential of rubberwood (Hevea brasiliensis) for structural use after the period of latex extraction: a case study in Brazil
HARDWOODS
Classes
σ c‖,k (MPa)
σ s,k (MPa)
E c║,m (MPa)
D b (g cm−3)
D 12 (g cm−3)
C20
20
4
9500
0.500
0.650
C30
30
5
14,500
0.800
C40
40
6
19,500
0.750
0.950
C60
60
8
24,500
1.000