Shirkadaha wax-soo-saarka ee kalsiyum-carbide-ka-soo-saarka ee PVC-ga waxay si xooggan kor ugu qaadaan istaraatiijiyadda horumarinta dhaqaalaha wareegtada, waxay ballaariyaan oo xoojiyaan silsiladda warshadaha ee leh kalsiyum carbide PVC xudunta u ah, waxayna ku dadaalaan inay dhisaan koox warshadeed oo ballaaran oo isku-dhafan "Dhuxusha-korontada-milixda". warshadaha PVC. Dhuxusha gudaha-ilaa-olefins, methanol-to-olefins, ethane-to-ethylene iyo hababka kale ee casriga ah ayaa ka dhigay sahayda ethylene mid aad u badan.
