Likhamphani tsa tlhahiso ea PVC tsa calcium carbide tse kholo tsa malapeng li khothalletsa ka matla leano la nts'etsopele ea moruo o chitja, li holisa le ho matlafatsa ketane ea indasteri ka calcium carbide PVC e le motheo, 'me li loanela ho haha sehlopha se seholo sa indasteri se kopanyang "mashala-motlakase-letsoai". Hona joale, mehloli ea lihlahisoa tsa vinyl tsa vinyl Chaena e ntse e hola ka tsela e fapaneng, e leng se boetseng se butse tsela e ncha bakeng sa ho fumana thepa e tala bakeng sa indasteri ea PVC. Mashala a lapeng ho ea ho olefin, methanol-ho-olefin, ethane-ho-ethylene le lits'ebetso tse ling tsa sejoale-joale li entse hore phepelo ea ethylene e be ngata haholo.
