I-PVC uhlobo lwepulasitiki olusetshenziswa kakhulu ezintweni zokwakha. Ngakho-ke, ngeke ithathelwe indawo isikhathi eside esikhathini esizayo, futhi izoba namathuba amahle okusetshenziswa ezindaweni ezingakathuthuki esikhathini esizayo.
Njengoba sonke sazi, kunezindlela ezimbili zokukhiqiza i-PVC, enye indlela ye-ethylene evamile yamazwe ngamazwe, kanti enye indlela ye-calcium carbide eyingqayizivele eShayina. Imithombo yendlela ye-ethylene ngokuyinhloko iwuphethiloli, kanti imithombo yendlela ye-calcium carbide ikakhulukazi ingamalahle, i-limestone nosawoti. Lezi zinsiza zigxile kakhulu eShayina. Isikhathi eside, indlela ye-PVC ye-calcium carbide yaseShayina ibilokhu isendaweni ehamba phambili ngokuphelele. Ikakhulukazi kusukela ngo-2008 kuya ku-2014, amandla okukhiqiza i-PVC yaseShayina yendlela ye-calcium carbide abelokhu ekhula, kodwa futhi ilethe izinkinga eziningi zokuvikela imvelo.