Sunan alamar PVC na China yawanci ana amfani da digiri na polymerization ko bayanin ƙira.Misali, nau'ikan PVC guda bakwai (alama S-800, SG-7) ko nau'ikan PVC guda takwas (alama S-700, SG-8) tare da inganci mai kyau za a yi alama daban ta masana'antun daban-daban.Yawancin su ana yiwa alama SG da lamba ɗaya don wakiltar ƙirar PVC.Adadin daruruwan da dubban alamomi suna wakiltar digiri na polymerization (lambar ɗaya tana wakiltar samfurin iri ɗaya, kamar Qingdao Haijing HS1000, Shanghai chlor-alkali WS1000,Qilu Petrochemical S1000duk suna wakiltar nau'in PVC guda biyar).
Kwatankwacin CEWA YANKI NA GIDA YAKE YI BAYANIN KYAUTATA MASU AMFANI DA KYAUTA 7, 8, ABINDA AKE AMFANI DA SHI NE QILU PETROCHEMICAL, Shanghai CHLOR-ALKALI, CANG HUA, Qingdao HAI JING, SAMUN DAGU HUA.
Wasu sababbin abokan hulɗa da masu sha'awar suna iya tambayar dalilin da yasa masana'antun takarda sun fi son yin amfani da nau'in 7 da nau'in 8 maimakon nau'in 5. Babu wani, amma bakwai, nau'in nau'in PVC polymerization digiri yana da ƙasa, mai sauƙin sarrafawa.Ba kawai takardar, PVC bututu kayan aiki, PVC bawuloli ma dace da amfani.
Kamfanonin bututu yawanci suna amfani da nau'in 5. An kuma ƙara yawan adadin calcium carbonate don rage farashin, wanda bai kamata a yi cikakken bayani a nan ba.
A cikin wadannan mugayen shekarun, an raba PVC a kasarmu zuwa nau'i takwas, wato nau'in 1 zuwa 8. 'Yan'uwa takwas an gwada (ravage) da kasuwa, kuma hudu kawai suka rage:
Nau'i na 3(digiri na polymerization 1300, galibi ana amfani dashi don masana'antar waya da kebul, fim ɗin calending), nau'in 5 (digiri na polymerization 1000, galibi ana amfani dashi don bayanan martaba, bututu), da kuma rubuta 78.
Masana'antar PVC na yau da kullun ta amfani da hanyar dakatarwa, akan zaɓin tarwatsawar dakatarwa daban-daban, ana iya samun tsarin barbashi da yanayin halittar guduro iri biyu daban-daban.
Lokacin aikawa: Agusta-08-2022