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Official Journal of the Japan Wood Research Society

Fig. 4 | Journal of Wood Science

Fig. 4

From: Effect of oil impregnation on water repellency, dimensional stability and mold susceptibility of thermally modified European aspen and downy birch wood

Fig. 4

Mold grades of the thermally modified (TM) and non-TM samples impregnated with three different oils after an incubation period of 21 days in a climate chamber at 27 °C and 92% relative humidity (RH). Unimpregnated samples from non-TM material of aspen and birch are regarded as control. Vertical bars represent the standard deviations. Different letters indicate a significant difference by Duncan’s homogeneity groups (P ≤ 0.05)

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