Ukususela ngo-2020, izityalo ze-polyethylene zasekhaya ziye zangena kumjikelo wokwandisa ophakathi, kwaye umthamo wonyaka wemveliso ye-PE yasekhaya uye wanda ngokukhawuleza, kunye nomyinge wokukhula wonyaka ongaphezu kwe-10%. Ukuveliswa kwe-polyethylene eveliswe ekhaya kuye kwanda ngokukhawuleza, kunye ne-homogenization yemveliso enzima kunye nokhuphiswano oluqatha kwimarike ye-polyethylene. Nangona imfuno ye-polyethylene nayo ibonise indlela yokukhula kwiminyaka yamuva nje, ukukhula kwemfuno akuzange kube ngokukhawuleza njengesantya sokukhula kokubonelela. Ukususela ngo-2017 ukuya ku-2020, amandla amatsha okuvelisa i-polyethylene yasekhaya igxininise kakhulu kwiintlobo ze-voltage ephantsi kunye ne-linear, kwaye kwakungekho zixhobo eziphezulu ze-voltage ezifakwe eChina, okubangelwa ukusebenza okuqinileyo kwimarike yombane ophezulu. Ngo-2020, njengoko umahluko wamaxabiso phakathi kwe-LDPE kunye ne-LLDPE usanda ngokuthe ngcembe, ingqwalasela yeemveliso ze-LDPE iye yanda. Iyunithi yokuvelisa i-EVA co kunye neyunithi ye-Zhejiang Petrochemical LDPE yafakwa ekusebenzeni kwi-2022, kunye nomthamo wasekhaya wemveliso we-high-pressure ye-3.335 yezigidi zeetoni ukususela kusuku lwangaphambili.
Ngo-2023, imarike yoxinzelelo oluphezulu ibonise ukuguquguquka kunye nokwehla kwendlela. Ukuthatha imarike yaseNyakatho yeTshayina njengomzekelo, ixabiso eliphakathi kwexabiso eliphezulu ukusuka ngoJanuwari ukuya kuMeyi laliyi-8853 yuan / ton, ukuhla okuphawulekayo konyaka-ngonyaka we-24.24%. Ngexesha eliphakamileyo lemfuno yefilimu yeplastiki kwikota yokuqala, amaxabiso ahambelanayo ayenamandla. Ixabiso eliphakathi komgca ukusuka ngoJanuwari ukuya ku-Epreli laliyi-8273, ukwehla konyaka-ngonyaka we-7.42%. Umahluko wexabiso phakathi kombane ophezulu kunye nomgca wawuncitshiswe kakhulu. Ukusukela nge-23 kaMeyi, umgca wasekhaya oqhelekileyo kwimakethi yoMntla we-China ibiyi-7700-7950 yuan/toni, ngelixa ifilimu yasekhaya yoxinzelelo oluphezulu oluqhelekileyo lwabikwa kwi-8000-8200 yuan/toni. Umahluko wexabiso phakathi kombane ophezulu kunye nomgca wawuyi-250-300 yuan / ton.
Ngokubanzi, kunye nokwandiswa okuqhubekayo kwamandla okuvelisa i-polyethylene yasekhaya kunye nokunyuka ngokuthe ngcembe kobonelelo lwasekhaya, ingxaki yokubonelela ngokugqithisileyo kwishishini le-polyethylene liye laqina. Nangona ixabiso lemveliso yombane ophezulu liphezulu kancinane kunomgca, ngenxa yokutshintshwa kwe-linear kunye ne-metallocene kwezinye iindawo zemveliso, kunzima ukuxhasa amaxabiso aphezulu kunye nenzuzo ephezulu kwimarike ye-polyethylene ebuthathaka yangoku, kwaye umehluko wexabiso phakathi kombane ophezulu kunye ne-linear uye wancipha kakhulu.
Ixesha lokuposa: May-25-2023