Table 2. Average density of wood samples and total heat release
Samples
Density (g/cm
3
)
Total heat release (MJ/m
2
)
5 min
10 min
A
0.48 ± 0.02
32.4 ± 3.0
61.9 ± 3.5
B
0.68 ± 0.03
6.1 ± 1.5
16.4 ± 4.2
C
0.66 ± 0.05
2.3 ± 0.8
9.4 ± 1.5
A: untreated, B: flame retardant + oil treatment, C: flame retardant treatment only.