Ulusi wa kaboni ndi chinthu chofunikira kwambiri pakupanga zinthu zapamwamba kwambiri. Ndi kuphatikiza kwa mphamvu zambiri, kuuma kwakukulu, kupepuka kwambiri, kosakhudzidwa ndi kutentha kwapamwamba / mafuta / mafuta, anticorrosion, ndi kutsika kochepa komwe kumapanga mankhwala omwe ali apamwamba kwambiri.

Izi zimalukidwa ndi ulusi wa 6k wa kaboni, mawonekedwe ake ndi twill.