Table 2.
Carbon factor to estimate carbon storage effect of HWP (IPCC 2013)

sawn wood ply wood particle board fiber board paper (pulp) others
Density (ton/m3) 0.458 0.542 0.596 0.691 0.900 0.500
Carbon fraction 0.500 0.493 0.451 0.427 0.386 0.500