Table 2. Basic properties of Korean red pine

Anatomical properties
Length of tracheid		Width of tracheid				Thickness of cell wall
Earlywood	Latewood	Earlywood		Latewood		Earlywood	Latewood
		R section	T section	R section	T section
2.00 mm	2.31 mm	39.23 μm	34.57 μm	12.75 μm	20.94 μm	3.74 μm	5.22 μm
(0.17)	(0.16)	(5.48)	(3.04)	(1.98)	(1.63)	(0.57)	(0.69)

Physical properties
Specific gravity			Total shrinkage
Green	Air-dry	Oven-dry	Linear			Volumetric
			L direction	R direction	T direction
0.370	0.385	0.408	0.78%	2.35%	6.54%	9.44%
(0.043)	(0.043)	(0.044)	(0.68)	(0.82)	(1.48)	(1.88)

Mechanical properties
Bending strength		Compression strength parallel to the grain		Tensile strength parallel to the grain
Air-dry (12% MC)	Green	Air-dry (12% MC)	Green	Air-dry (12% MC)	Green
67.8 MPa	38.1 MPa	30.9 MPa	15.1 MPa	68.0 MPa	57.1 MPa
(5.0)	(4.7)	(1.9)	(1.7)	(12.4)	(11.7)

Shear strength				Hardness
R section		T section		C section	R section	T section
Air-dry (13.8% MC)	Green	Air-dry (13.8% MC)	Green	Air-dry (12% MC)	Air-dry (12% MC)	Air-dry (12% MC)
6.9 MPa	3.6 MPa	8.0 MPa	4.4 MPa	3.9 kN	2.2 kN	2.6 kN
(0.5)	(0.4)	(1.1)	(0.5)	(0.3)	(0.4)	(0.5)

Chemical compositions
Ash	Extractives	Lignin
		Acid-insoluble	Acid-soluble	Total
0.19%	6.91%	26.04%	1.84%	27.88%
(0.02)	(0.09)	(0.23)	(0.18)	(0.40)

Sugars
Glucan	XMG	Arabinan	Total
44.42%	18.97%	0.60%	63.99%
(0.55)	(0.55)	(0.13)	(1.04)

SD in parentheses.
L direction: Longitudinal direction, R direction: Radial direction, T direction: Tangential direction, C section: Cross section, R section: Radial section, T section: Tangential section.
MC: moisture content, XMG: xylan + mannan + galactan.