Environmental impacts of structural lumber production in Japan

Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 2 Apparent density, moisture content, and price of products

Item	Apparent density (t/m³)	Moisture content (%)^j	Price
Roundwood	0.83 [25]	120^c	–
Sawn lumber	0.38^a	15 [22]	71,715 JPY/m^3e
Wood chip for paper making	0.25 [25]	120^b	14,500 JPY/BDt^k [24]
Wood chip for biomass boiler	0.25 [25]	120^c	4678 JPY/BDt^f
Sawdust	0.23 [25]	55^b	1241 JPY/m^3g
Bark	0.18 [25]	58^b	1241 JPY/m^3h
Mills ends	0.46^b	49^b	4678 JPY/BDtⁱ
Planer shavings	0.10^b	15^d	1241 JPY/m^3h

^aWeighted average of Japanese cedar (0.314 g/cm³) [26] and Japanese cypress (0.401 g/m³) [26] with 15% moisture content
^bWeighted average of surveyed sawmills
^cAssumed to be the same as the wood chip for paper making
^dAssumed to be the same as the sawn lumber
^eWeighted average of Japanese cedar (67,850 JPY/m³) [24] and Japanese cypress (86,600 JPY/m³) [24]
^fExcluded standard transportation costs [28] from the price of wood chip for biomass boiler including transportation[27]
^gExcluded standard transportation costs [28] from the price of sawdust including transportation[29]
^hAssumed to be the same as the sawdust
ⁱAssumed to be the same as the wood chip for biomass boiler
^jDry basis
^kBone Dry tonne