Coke ya peteroli ifite graphite nyinshi kandi isukuye ikorwa muri coke ya peteroli nziza cyane ku bushyuhe bwa 2,500-3,500°C. Nk'ibikoresho bya karuboni bifite imiterere ya karuboni nyinshi, ifite imiterere ya karuboni nyinshi, sulfur nkeya, ivu rikeya, porosity nkeya n'ibindi. Ishobora gukoreshwa nk'umurinzi wa karuboni (Recarburizer) kugira ngo ikore icyuma cyiza, icyuma gishongeshejwe n'ibyuma. Ishobora kandi gukoreshwa muri plastiki na rubber nk'inyongera.