Table 2.
Classification of wood resistance to subterranean termite based on mass loss (Indonesian National Standard, 2006)

Class	Resistance rate	Mass loss (%)
I	Very Resistance	< 3.52
II	Resistance	3.52 to 7.50
III	Moderately strong	7.50 to 10.96
IV	Weak	10.96 to 18.94
V	Very weak	18.94 to 31.89