ʻO ka carbon-graphite he mea lubricating ponoʻī, a he mea hoʻohana i ka maka sila i hoʻohana ʻia me nā apo male o nā mea paʻakikī e like me ka silicon carbide, alumina, a i ʻole tungsten carbide. Loaʻa i kā mākou carbon i nā hiʻohiʻona ʻoi aku ka maikaʻi a me ka pale kemika ākea. ʻO nā corrodents mau loa me ka hydrofluoric a me ka nitric acids, loaʻa nā carbongrades kūikawā.