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Official Journal of the Japan Wood Research Society

Table 1 Thickness, mean density and maximal density of the compressed layer(s) in sandwich-compressed wood

From: Effects of preheating temperatures on the formation of sandwich compression and density distribution in the compressed wood

Preheating temperature (°C)

The characteristic parameters of compressed layer(s)

Number

Thickness (mm)

Mean density (g/cm3)

Maximum density (g/cm3)

60

2

4.92 (0.22)

0.61 (0.01)

0.63 (0.01)

90

2

5.13 (0.31)

0.61 (0.02)

0.66 (0.03)

120

2

5.64 (0.65)

0.63 (0.01)

0.66 (0.01)

150

1

8.10 (0.05)

0.64 (0.01)

0.68 (0.01)

180

1

5.49 (0.49)

0.68 (0.01)

0.71 (0.01)

210

1

4.59 (0.33)

0.71 (0.01)

0.75 (0.01)

  1. Values in () are the standard deviation of 5 runs