Khalase, mafura a distilled, e bonts'a mefuta e fapaneng ea karolo ea distillation ea 180 ho 300, e nang le ho feto-fetoha ha lipakeng tsa peterole ea likoloi le oli ea diesel e bobebe. Ha e na metsoako e boima ea hydrocarbon.
Sebaka se belang sa parafine se tloha ho 110 ho 350 likhato tsa Celsius, ho tšoaea litšobotsi tsa eona tse ikhethang tsa mocheso.