I-PVC luhlobo lweplastiki esetyenziswa ngokubanzi kwizinto zokwakha.Ngoko ke, ayiyi kutshintshwa ixesha elide kwixesha elizayo, kwaye iya kuba nethemba elikhulu lesicelo kwiindawo ezingaphuhliswanga kwixesha elizayo.
Njengoko sonke siyazi, kukho iindlela ezimbini zokuvelisa i-PVC, enye yindlela eqhelekileyo ye-ethylene yamazwe ngamazwe, kwaye enye yindlela ekhethekileyo ye-calcium carbide e-China.Imithombo yendlela ye-ethylene ikakhulu i-petroleum, ngelixa imithombo yendlela ye-calcium carbide ingamalahle, i-limestone kunye netyuwa.Ezi zixhobo zigxile kakhulu eTshayina.Ixesha elide, i-PVC yaseTshayina ye-calcium carbide indlela ikwindawo ekhokelayo ngokupheleleyo.Ngokukodwa ukusuka kwi-2008 ukuya kwi-2014, i-PVC yaseTshayina yokuvelisa amandla e-calcium carbide iye yanda, kodwa iye yazisa iingxaki ezininzi zokusingqongileyo.