Table 1.
Basic information on three different types of wood used as packaging materials

General name	Larch	Douglas fir	Spruce
Scientific name	Larix leptolepis (Siebold&Zucc.) Gordon	Pseudotsuga menziesii	Picea jezoensis
Country	Korea	USA	EU
Specific gravity	0.51	0.53	0.41
Pre-treatment	Green wood	Fungicide treated	Kiln dried
Moisture content	25% ↑	about 25%	15% ↓