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Official Journal of the Japan Wood Research Society

Table 3 The mean values of density and mass loss (T. versicolor and C. puteana-initiated) in densified and thermally post-treated pine sapwood samples

From: Resistance of mechanically densified and thermally post-treated pine sapwood to wood decay fungi

Densification

Thermal treatment

Density (20 °C, RH 65%) (g/cm3)

Mass loss (%)

T. versicolor

C. puteana

Undensified

Untreated

0.604 F* (0.007)

31.32 A (3.93)

24.90 A (2.26)

185 °C

0.579 FG (0.027)

19.38 BC (2.49)

11.63 D (1.18)

212 °C

0.550 G (0.021)

6.72 E (1.61)

7.80 E (0.29)

110 °C/20%

Untreated

0.735 C (0.009)

28.41 A (4.32)

23.23 AB (1.53)

185 °C

0.708 CD (0.019)

20.27 B (4.69)

11.73 D (1.36)

212 °C

0.689 DE (0.008)

7.56 E (1.54)

7.62 E (0.50)

110 °C/40%

Untreated

0.914 A (0.013)

20.65 B (5.72)

23.12 AB (4.45)

185 °C

0.874 B (0.037)

15.43 CD (2.04)

10.32 D (0.66)

212 °C

0.889 AB (0.040)

6.87 E (1.65)

7.28 E (0.17)

150 °C/20%

Untreated

0.712 CD (0.031)

27.08 A (4.45)

22.32 B (2.72)

185 °C

0.694 D (0.031)

17.39 BCD (4.34)

10.30 D (1.16)

212 °C

0.654 E (0.009)

6.56 E (3.87)

7.06 E (0.53)

150 °C/40%

Untreated

0.873 B (0.024)

18.42 BC (2.99)

17.68 C (2.45)

185 °C

0.854 B (0.038)

13.50 D (3.77)

10.65 D (1.26)

212 °C

0.855 B (0.028)

6.05 E (1.88)

7.46 E (0.29)

  1. Values in parenthesis are standard deviations
  2. * Homogeneity groups: same letters in each column indicate that there is no statistical difference between the samples according to the Duncan’s multiply range test