Ngokwezibalo zango-2020, umthamo wokukhiqiza we-PVC emhlabeni wonke wafinyelela kumathani ayizigidi ezingama-62 kanti inani eliphelele lafinyelela kumathani ayizigidi ezingama-54. Konke ukuncipha komkhiqizo kusho ukuthi umthamo wokukhiqiza awuhambanga ngo-100%. Ngenxa yezinhlekelele zemvelo, izinqubomgomo zendawo kanye nezinye izici, umkhiqizo kufanele ube ngaphansi komthamo wokukhiqiza. Ngenxa yezindleko eziphakeme zokukhiqiza ze-PVC eYurophu nase-Japan, amandla okukhiqiza e-PVC emhlabeni wonke agxile kakhulu eNyakatho-mpumalanga ye-Asia, lapho i-China inengxenye yomthamo wokukhiqiza we-PVC womhlaba wonke.
Ngokusho kwedatha yomoya, ngo-2020, i-China, i-United States ne-Japan yizindawo ezibalulekile zokukhiqiza i-PVC emhlabeni, amandla okukhiqiza afinyelela ku-42%, 12% no-4% ngokulandelanayo. Ngo-2020, amabhizinisi amathathu aphezulu emkhakheni wokukhiqiza we-PVC womhlaba wonke kwakuyi-Westlake, i-shintech ne-FPC. Ngo-2020, umthamo wokukhiqiza we-PVC wonyaka wawungamathani ayizigidi ezingu-3.44, amathani ayizigidi ezingu-3.24 kanye namathani ayizigidi ezingu-3.299 ngokulandelana. Okwesibili, amabhizinisi anamandla okukhiqiza amathani angaphezu kwezigidi ezimbili nawo afaka i-inovyn. Umthamo wokukhiqiza waseShayina usuwonke ungamathani ayizigidi ezingama-25, ngomkhiqizo wamathani ayizigidi ezingama-21 ngo-2020. Bangaphezu kuka-70 abakhiqizi bePVC eShayina, ama-80% abo okuyindlela ye-calcium carbide kanti ama-20% yindlela ye-ethylene.
Iningi lendlela ye-calcium carbide igxile ezindaweni ezinothe ngezinsiza zamalahle njenge-Inner Mongolia ne-Xinjiang. Indawo yesitshalo yenqubo ye-ethylene itholakala ezindaweni ezisogwini ngoba impahla eluhlaza i-VCM noma i-ethylene idinga ukungeniswa kwamanye amazwe. Amandla okukhiqiza aseShayina athatha cishe ingxenye yomhlaba, futhi ngokwanda okuqhubekayo kochungechunge lwezimboni zaseShayina ezikhuphuka nomfula, amandla okukhiqiza e-PVC endlela ye-ethylene azoqhubeka nokukhula, futhi i-China izoqhubeka nokucekela phansi isabelo se-PVC samazwe ngamazwe.
Isikhathi sokuthumela: May-07-2022