Ipayipi lensimbi ye-Carbon yipayipi lensimbi elikhiqizwa ngensimbi ye-carbon, elenziwe ngensimbi yensimbi noma insimbi eyindilinga eqinile ngokubhobozwa, bese lenziwa ngokugingqika okushisayo, ukugoqeka okubandayo noma umdwebo obandayo. Okuqukethwe kwekhabhoni cishe ku-0.05% kuya ku-1.35%. Amapayipi ensimbi yensimbi ahlukaniswe ngokuyinhloko abe: amapayipi ensimbi angenamthungo okusetshenziswa kwesakhiwo, amapayipi ensimbi angenamthungo okudlulisa uketshezi, amapayipi ensimbi angenamthungo obhayela abanomfutho ophansi nophakathi, amapayipi ensimbi angenamthungo wamabhayela anengcindezi ephezulu, amapayipi ensimbi angenamthungo okuqhekeka kwe-petroleum.