H in ta-C / Di composite
3 H
2 H
sp3 content is 29%, sp2 is 70% (sp3 content has rised)
3h: phjoan23:adi_2h/adi_3h
phjoan5:new_adi_3h
2h: phjoan23:adi_2h
phjoan5:new_adi_2h