Qiimaha goobta PVC waa mid deggan, qiimaha mustaqbalkana wax yar ayuu kor u kacay.

Talaadada,PVCisu bedbeddela meel cidhiidhi ah.Jimcihii la soo dhaafay, xogta mushaharka aan beeraha ahayn ee Maraykanka ayaa ka fiicnayd sidii la filayay, iyo Fed ee rajada kor u kaca dulsaarka gardarrada ayaa la wiiqay.Isla mar ahaantaana, dib u soo kabashada fiiqan ee qiimaha saliidda ayaa sidoo kale taageeray qiimaha PVC.Marka loo eego aasaaska aasaasiga ah ee PVC, sababtoo ah dayactirka xoogga leh ee rakibaadda PVC dhawaanahan, heerka culeyska shaqada ee warshadaha ayaa hoos u dhacay ilaa heer hoose, laakiin sidoo kale waxay ka gudubtay qaar ka mid ah faa'iidooyinka ay keentay aragtida suuqa.Si tartiib tartiib ah u sii kordhaya, laakiin wali ma muuqato horumar muuqda oo laga sameeyay dhismaha hoose, iyo dib u soo noqoshada cudurka faafa ee meelaha qaar ayaa sidoo kale carqaladeeyay baahida hoose.Dib u soo celinta sahayda ayaa laga yaabaa inay dib u dhigto saameynta kororka yar ee baahida hoos timaada xilliga kala guurka ee ka baxsan xilliga ugu sarreeya, taas oo ay adag tahay in la keeno alaabta.hagaajin ku filan.Si kastaba ha ahaatee, qiimaha calcium carbide ayaa weli ah mid deggan, qiimaha meelaha qaar ayaa kor u kacay, iyo taageerada kharashka ayaa la xoojiyay.Qiimaha hadda jira ee kaalshiyam carbide shirkadaha PVC ayaa sii waday khasaaraha, iyo qiimaha hadda waxa uu joogaa heer qiimayn hoose, iyo cadaadiska muddada gaaban suuqa waa xad xadidan.Guud ahaan, werwerka hoos u dhaca gudaha iyo dibadda ayaa sii xoogaystay, dhinaca dalabaadkana hadda kuma filna in la hagaajiyo qiimaha.Si kastaba ha ahaatee, faa'iidada guud ee shirkadaha macdanta ee PVC ee dibadda waxay sii wadaan khasaaraha iyo "Golden Nine Silver Ten" xilliga ugu sarreeya ayaa la filayaa inay sameeyaan diskka muddada gaaban.Waa la arki doonaa in baahida si wax ku ool ah loo soo celin karo iyo in kale.Muddada gaaban, waxaa la filayaa in la joogteeyo isbeddellada ku socda meel hoose oo ay sii wadaan inay fiiro gaar ah u yeeshaan isbeddellada baahida.