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HDPE yana da kyawawan halaye masu kyau na ƙarfi mai kyau, mai kyau tauri, mai kyau rigidity, da lalata juriya, hana ruwa da danshi-hujja, zafi da sanyi juriya, don haka yana da muhimmanci aikace-aikace a busa gyare-gyare, allura gyare-gyaren da bututu.Tare da samar da yanayin masana'antu irin su filastik maimakon karfe, filastik maimakon itace, HDPE a matsayin babban kayan aiki na polyethylene zai hanzarta maye gurbin kayan gargajiya a nan gaba.A matsayin babban kayan aikin noma da fim ɗin marufi, LDPE yana ƙasa da LLDPE a cikin ƙarfin injina, ƙarancin zafi da aikin haɓaka danshi, da juriya na lalata.Sabili da haka, buƙatun kasuwa na LLDPE yana ƙaruwa cikin sauri a cikin 'yan shekarun nan, a hankali yana haɗiye wasu kaso na kasuwa na LDPE.

1. Polyethylene (PE) sarkar masana'antu

Polyethylene yana daya daga cikin manyan resin roba guda biyar, amma kuma mafi girman karfin samar da resin roba na cikin gida, yana shigo da mafi yawan iri.Saboda polyethylene yana sama da ethylene, samarwa ya dogara ne akan hanyar naphtha, kuma ribar iri ɗaya ce.

Mafi girman aikace-aikacen polyethylene na ƙasa shine fim, wanda ya kai kusan kashi 54% na jimlar buƙatun polyethylene a cikin 2020. Bugu da ƙari, kayan aikin tubular sun kai kashi 12%, kwantena mara tushe sun kai 12%, gyare-gyaren allura ya kai 11%, da waya zane ya kai kashi 4%.

2. Halin halin yanzu na masana'antar polyethylene (PE).

A cikin 'yan shekarun nan, ƙarfin samar da polyethylene na ƙasar yana ƙaruwa kowace shekara.Ya zuwa shekarar 2021, karfin samar da polyethylene na kasar ya kai ton 25,746,300, wanda ya karu da kashi 11.8% a shekara.

Dangane da samar da kayayyaki, tun daga shekarar 2018, yawan samar da polyethylene na kasar Sin ya karu akai-akai.A shekarar 2018, yawan samar da polyethylene na kasar Sin ya kai tan miliyan 16.26, kuma ya kai tan miliyan 22.72 a shekarar 2021, tare da matsakaicin karuwar sinadarai na shekara-shekara da kashi 11.8% a cikin lokacin.

Daga shekarar 2015 zuwa 2020, yawan shan polyethylene da ake gani a kasar Sin ya karu sannu a hankali, kuma a shekarar 2021, yawan amfani da polyethylene a kasar Sin ya ragu zuwa ton 37.365,000, raguwar kashi 3.2% a duk shekara.Musamman saboda tasirin annobar da kuma sarrafa makamashi biyu, wasu masana'antun da ke ƙasa sun dakatar ko rage samar da su.Tare da haɓaka wadatar kai, dogaro da shigo da PE zai ragu a hankali.A nan gaba, tare da haɓakar annoba da ci gaba da ci gaban tattalin arzikin cikin gida, buƙatar PE zai ci gaba da karuwa.

Bisa kididdigar da hukumar kwastam ta yi, daga watan Janairu zuwa Fabrairun 2022, jimilar shigo da polyethylene ya kai tan 2,217,900, wanda ya kai kashi 13.46% kasa da na shekarar da ta gabata.Kasarmu ta polyethylene tana shigo da mafi girma daga Saudi Arabiya, jimillar shigo da ita shine ton 475,900, wanda ya kai 21.46%;Na biyu kuma shi ne Iran, da jimillar shigo da ton 328,300, wanda ya kai kashi 14.80%;Na uku kuwa ita ce Hadaddiyar Daular Larabawa, da jimillar shigo da kaya tan 299,600, wanda ya kai kashi 13.51%.

Dangane da fitar da kayayyaki zuwa kasashen waje, daga watan Janairu zuwa Fabrairun shekarar 2022, yawan shigo da polyethylene na kasar Sin ya ragu sosai, yayin da akasin haka, fitar da kayayyaki ya karu sosai.Kimanin tan 53,100 na polyethylene an fitar dashi a cikin Janairu-Fabrairu 2022, sama da 29.76% daga daidai wannan lokacin a bara.Musamman, LDPE tana fitar da kusan tan 22,100, HDPE tana fitar da kusan tan 25,400, LLDPE tana fitar da kusan tan 50,600.

3. Matsalolin fasaha na masana'antar polyethylene (PE).

A halin yanzu, ci gaban fasahar polyethylene a kasar Sin yana da matsaloli kamar haka:

(1) Rashin ingantaccen fasahar samar da polyethylene.A kasar Sin, kawai Fushun Ethylene Chemical shuka yana amfani da fasahar aiwatarwa ta Sclairtech don samar da samfuran copolymerization na octene 1, kuma Kamfanin Shanghai Jinshan Petrochemical kawai yana da fasahar aiwatar da fasaha ta Borealis Bostar North Star supercritical polymerization.Fasahar sarrafa ƙarfi ta Dow Chemical Co., LTD ba a gabatar da ita a China ba.

(2) Rashin ci-gaba α-olefin copolymerization na polyethylene albarkatun kasa da fasaha, kasar Sin ta ƙware da copolymerization na 1-butene da 1-hexene don shirya polyethylene, a 1-octene, decene, 4-methyl-1-pentene da kuma sauran ci-gaba na α-olefin na masana'antu har yanzu babu kowa.

(3) Babban farashin samar da kayan albarkatun EVA, ƴan samfuran da ke da babban abun ciki na VA, da ƙaramin ƙoƙari a cikin haɓaka fim ɗin aiki da manne mai narke mai zafi.