From: Potential of rubberwood (Hevea brasiliensis) for structural use after the period of latex extraction: a case study in Brazil
Characteristic relation
Clones
ABNT
GT1
RRIM600
NBR 7190
σ c‖,k/σ t‖,k
1.03
0.84
0.77
σ c⊥,k/σ c‖,k
0.20
0.25
σ e‖,k/σ c‖,k
0.89
0.76
1.00
σ e⊥,k/σ c‖,k
NA
0.45
σ s,k/σ c‖,k
0.16
0.18
0.12