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 yamandla ombane aphezulu liphezulu kancinane kunelayini, ngenxa yokuthathelwa indawo kwelayini kunye nemetallocene kwezinye iindawo zemveliso, kunzima ukuxhasa amaxabiso aphezulu kunye neenzuzo eziphezulu kwimarike yepolyethylene ebuthathaka yangoku, kunye nomahluko wamaxabiso phakathi kwamandla ombane aphezulu. kwaye umgca ucuthe kakhulu.
Ixesha lokuposa: May-25-2023