Nkhani Zamakampani
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Kodi China yatumiza mankhwala otani ku Thailand?
Kukula kwa msika wa mankhwala ku Southeast Asia kumadalira gulu lalikulu la ogula, antchito otsika mtengo, ndi mfundo zotayirira. Anthu ena mumakampaniwa amati msika wa mankhwala womwe ulipo pano ku Southeast Asia ndi wofanana kwambiri ndi wa ku China m'zaka za m'ma 1990. Chifukwa cha chitukuko chachangu cha makampani opanga mankhwala ku China, chitukuko cha msika wa ku Southeast Asia chakhala chowonekera bwino. Chifukwa chake, pali mabizinesi ambiri omwe akuyang'ana mtsogolo omwe akukulitsa mwachangu makampani opanga mankhwala ku Southeast Asia, monga unyolo wa epoxy propane ndi unyolo wamakampani a propylene, ndikuwonjezera ndalama zawo pamsika waku Vietnam. (1) Carbon wakuda ndiye mankhwala akuluakulu omwe amatumizidwa kuchokera ku China kupita ku Thailand. Malinga ndi ziwerengero za deta ya kasitomu, kukula kwa kaboni... -
Kuwonjezeka kwakukulu kwa kupanga magetsi amphamvu m'dziko muno komanso kuchepa kwa kusiyana kwa mitengo yolunjika
Kuyambira mu 2020, mafakitale a polyethylene apakhomo alowa munthawi yokulirakulira, ndipo mphamvu yopangira pachaka ya PE yakunyumba yawonjezeka mwachangu, ndi kuchuluka kwapakati pachaka kwakukula kwa 10%. Kupanga polyethylene yopangidwa kunyumba kwawonjezeka mwachangu, ndi kuphatikizika kwakukulu kwa zinthu komanso mpikisano waukulu pamsika wa polyethylene. Ngakhale kufunikira kwa polyethylene kwawonetsanso kukula m'zaka zaposachedwa, kukula kwa kufunikira sikunakhale kwachangu ngati kukula kwa zinthu. Kuyambira 2017 mpaka 2020, mphamvu yatsopano yopangira polyethylene yakunyumba imayang'ana kwambiri mitundu yamagetsi otsika komanso olunjika, ndipo panalibe zida zamagetsi apamwamba zomwe zinayikidwa ku China, zomwe zidapangitsa kuti msika wamagetsi apamwamba ugwire ntchito bwino. Mu 2020, pamene mitengo ikusiyana... -
Zamtsogolo: kusunga kusinthasintha kwa mtunda, kukonza ndikutsatira malangizo a pamwamba pa nkhani
Pa Meyi 16, mgwirizano wa Liansu L2309 unatsegulidwa pa 7748, ndi mtengo wocheperako wa 7728, mtengo wokwera kwambiri wa 7805, ndi mtengo wotseka wa 7752. Poyerekeza ndi tsiku lapitalo la malonda, unakwera ndi 23 kapena 0.30%, ndi mtengo wokhazikika wa 7766 ndi mtengo wotseka wa 7729. Mtundu wa 2309 wa Liansu unasinthasintha, ndi kuchepa pang'ono kwa malo ndi kutseka kwa mzere wabwino. Chizolowezicho chinachepetsedwa pamwamba pa avareji yosuntha ya MA5, ndipo bala yobiriwira pansi pa chizindikiro cha MACD inachepa; Kuchokera pakuwona kwa chizindikiro cha BOLL, chinthu cha K-line chimapatuka panjira yotsika ndipo pakati pa mphamvu yokoka chimasunthira mmwamba, pomwe chizindikiro cha KDJ chili ndi chiyembekezo chakutali cha kupanga chizindikiro. Pali kuthekera kwa kukwera kwa njira yopangira kosalekeza kwakanthawi kochepa, kuyembekezera chitsogozo kuchokera ku n... -
Kodi mitundu yosiyanasiyana ya polyethylene ndi iti?
Polyethylene nthawi zambiri imagawidwa m'gulu limodzi mwa mankhwala akuluakulu angapo, omwe ambiri mwa iwo ndi LDPE, LLDPE, HDPE, ndi Ultrahigh Molecular Weight Polypropylene. Mitundu ina ndi Medium Density Polyethylene (MDPE), Ultra-low-molecular-weight polyethylene (ULMWPE kapena PE-WAX), High-molecular-weight polyethylene (HMWPE), High-density cross-linked polyethylene (HDXLPE), Cross-linked polyethylene (PEX kapena XLPE), Very-low-density polyethylene (VLDPE), ndi Chlorinated polyethylene (CPE). Low-Density Polyethylene (LDPE) ndi chinthu chosinthasintha kwambiri chokhala ndi mphamvu zapadera zoyendera zomwe zimapangitsa kuti chikhale choyenera kwambiri matumba ogulira ndi mapulogalamu ena apulasitiki. LDPE ili ndi ductility yambiri koma mphamvu yochepa yogwira, zomwe zimawonekera m'dziko lenileni chifukwa cha chizolowezi chake chotambasula pamene... -
Kuchuluka kwa titanium dioxide komwe kupangidwa chaka chino kudzafika matani 6 miliyoni!
Kuyambira pa 30 Marichi mpaka 1 Epulo, Msonkhano Wapachaka wa Makampani a Titanium Dioxide wa 2022 unachitikira ku Chongqing. Zinadziwika kuchokera pamsonkhanowo kuti mphamvu yotulutsa ndi kupanga ya titanium dioxide ipitiliza kukula mu 2022, ndipo kuchuluka kwa mphamvu yopangira kudzawonjezeka; nthawi yomweyo, kuchuluka kwa opanga omwe alipo kudzawonjezeka kwambiri ndipo mapulojekiti oyika ndalama kunja kwa makampani adzawonjezeka, zomwe zipangitsa kuti pakhale kusowa kwa titanium ore. Kuphatikiza apo, ndi kukwera kwa mafakitale atsopano amagetsi, kumanga kapena kukonzekera mapulojekiti ambiri a iron phosphate kapena lithium iron phosphate kudzapangitsa kuti mphamvu yopangira titanium dioxide ichuluke ndikuwonjezera kutsutsana pakati pa kupereka ndi kufunikira kwa titani... -
Kodi Filimu Yophimba Polypropylene Yozungulira M'mbali mwa M'mimba N'chiyani?
Filimu ya polypropylene (BOPP) yokhazikika pa biaxially ndi mtundu wa filimu yokhazikika yosinthasintha. Filimu yozungulira ya polypropylene yokhazikika pa biaxially imatambasulidwa mumakina ndi mbali zopingasa. Izi zimapangitsa kuti pakhale mawonekedwe a molekyulu mbali zonse ziwiri. Mtundu uwu wa filimu yokhazikika yokhazikika imapangidwa kudzera mu njira yopangira tubular. Buluu wa filimu wooneka ngati chubu umatenthedwa ndikutenthedwa mpaka pamalo ake ofewa (izi ndizosiyana ndi malo osungunuka) ndipo umatambasulidwa ndi makina. Filimuyo imatambasulidwa pakati pa 300% - 400%. Kapenanso, filimuyo imatha kutambasulidwa ndi njira yotchedwa tenter-frame film manufacturing. Ndi njira iyi, ma polima amatulutsidwa pa mpukutu wozizira (womwe umadziwikanso kuti base sheet) ndikukokedwa motsatira njira ya makina. Tenter-frame film imatipanga... -
Kuchuluka kwa katundu wotumizidwa kunja kunakwera kwambiri kuyambira Januwale mpaka February 2023.
Malinga ndi ziwerengero za deta ya kasitomu: kuyambira Januwale mpaka Febuluwale 2023, kuchuluka kwa PE yotumizidwa kunja kwa dziko ndi matani 112,400, kuphatikiza matani 36,400 a HDPE, matani 56,900 a LDPE, ndi matani 19,100 a LLDPE. Kuyambira Januwale mpaka Febuluwale, kuchuluka kwa PE yotumizidwa kunja kwa dzikolo kwawonjezeka ndi matani 59,500 poyerekeza ndi nthawi yomweyi mu 2022, kuwonjezeka kwa 112.48%. Kuchokera pa tchati pamwambapa, titha kuwona kuti kuchuluka kwa kutumiza kunja kuyambira Januwale mpaka Febuluwale kwawonjezeka kwambiri poyerekeza ndi nthawi yomweyi mu 2022. Ponena za miyezi, kuchuluka kwa kutumiza kunja mu Januwale 2023 kwawonjezeka ndi matani 16,600 poyerekeza ndi nthawi yomweyi chaka chatha, ndipo kuchuluka kwa kutumiza kunja mu Febuluwale kwawonjezeka ndi matani 40,900 poyerekeza ndi nthawi yomweyi chaka chatha; pankhani ya mitundu, kuchuluka kwa kutumiza kunja kwa LDPE (Januwale-Febuluwale) kunali matani 36,400, a ye... -
Ntchito zazikulu za PVC.
1. Ma profile a PVC Ma profile a PVC ndi ma profile ndi madera akuluakulu omwe PVC imagwiritsidwa ntchito kwambiri ku China, omwe ndi pafupifupi 25% ya ndalama zonse zomwe PVC imagwiritsidwa ntchito. Amagwiritsidwa ntchito kwambiri popanga zitseko ndi mawindo ndi zipangizo zosungira mphamvu, ndipo kuchuluka kwa ntchito zawo kukukulirakulirabe mdziko lonse. M'mayiko otukuka, gawo la msika wa zitseko ndi mawindo apulasitiki lili pamwamba, monga 50% ku Germany, 56% ku France, ndi 45% ku United States. 2. Chitoliro cha PVC Pakati pa zinthu zambiri za PVC, mapaipi a PVC ndi gawo lachiwiri lalikulu kwambiri logwiritsidwa ntchito, lomwe limawerengera pafupifupi 20% ya ndalama zomwe amagwiritsidwa ntchito. Ku China, mapaipi a PVC amapangidwa kale kuposa mapaipi a PE ndi mapaipi a PP, okhala ndi mitundu yambiri, magwiridwe antchito abwino komanso osiyanasiyana, omwe ali ndi malo ofunikira pamsika. 3. Filimu ya PVC... -
Mitundu ya polypropylene.
Mamolekyu a polypropylene ali ndi magulu a methyl, omwe angagawidwe m'magulu a isotactic polypropylene, atactic polypropylene ndi syndiotactic polypropylene malinga ndi momwe magulu a methyl amakhalira. Magulu a methyl akaikidwa mbali imodzi ya unyolo waukulu, amatchedwa isotactic polypropylene; ngati magulu a methyl agawidwa mwachisawawa mbali zonse ziwiri za unyolo waukulu, amatchedwa atactic polypropylene; pamene magulu a methyl aikidwa motsatizana mbali zonse ziwiri za unyolo waukulu, amatchedwa syndiotactic. polypropylene. Pakupanga polypropylene resin, kuchuluka kwa kapangidwe ka isotactic (kotchedwa isotacticity) ndi pafupifupi 95%, ndipo kotsalako ndi atactic kapena syndiotactic polypropylene. Polypropylene resin yomwe imapangidwira ku China imagawidwa motsatira... -
Kugwiritsa ntchito utomoni wa PVC wopangidwa ndi pulasitiki.
Akuti mu 2000, msika wonse wa PVC paste resin padziko lonse lapansi unali pafupifupi 1.66 miliyoni t/a. Ku China, PVC paste resin makamaka ili ndi ntchito izi: Makampani opanga zikopa: kuchuluka kwa zinthu zomwe zimaperekedwa pamsika komanso kuchuluka kwa zinthu zomwe zimafunidwa. Komabe, chifukwa cha chitukuko cha zikopa za PU, kufunikira kwa zikopa zopanga ku Wenzhou ndi malo ena akuluakulu omwe amagwiritsidwa ntchito popanga utomoni wa paste kumakhudzidwa ndi zoletsa zina. Mpikisano pakati pa zikopa za PU ndi zikopa zopanga ndi woopsa kwambiri. Makampani opanga zikopa za pansi: Chifukwa cha kuchepa kwa kufunikira kwa zikopa za pansi, kufunikira kwa utomoni wa paste mumakampani awa kwakhala kukuchepa chaka ndi chaka m'zaka zaposachedwa. Makampani opanga magolovesi: kufunikira kwakukulu, makamaka kutumizidwa kunja, komwe ndi kwa kukonza zinthu zomwe zimaperekedwa... -
Kugwiritsa ntchito soda kumakhudza kwambiri thanzi la anthu ambiri.
Caustic soda ingagawidwe m'magulu a flake soda, granular soda ndi solid soda malinga ndi mawonekedwe ake. Kugwiritsa ntchito caustic soda kumakhudza madera ambiri, izi ndi njira yoyambira mwatsatanetsatane kwa inu: 1. Mafuta oyengedwa. Pambuyo potsukidwa ndi sulfuric acid, zinthu zamafuta zimakhalabe ndi zinthu zina za acidic, zomwe ziyenera kutsukidwa ndi sodium hydroxide solution kenako n’kutsukidwa ndi madzi kuti mupeze zinthu zoyengedwa. 2. kusindikiza ndi kupaka utoto Amagwiritsidwa ntchito makamaka mu indigo dyes ndi quinone dyes. Pakuyika utoto wa vat dyes, caustic soda solution ndi sodium hydrosulfite ziyenera kugwiritsidwa ntchito kuti zichepetse kukhala leuco acid, kenako n’kuzisakaniza ndi oxidants pambuyo popaka utoto. Nsalu ya thonje ikakonzedwa ndi caustic soda solution, sera, mafuta, starch ndi zinthu zina ... -
Kubwezeretsa kufunikira kwa PVC padziko lonse lapansi kumadalira China.
Pofika mu 2023, chifukwa cha kufunikira pang'onopang'ono m'madera osiyanasiyana, msika wapadziko lonse wa polyvinyl chloride (PVC) ukadali ndi kusatsimikizika. M'zaka zambiri za 2022, mitengo ya PVC ku Asia ndi United States idatsika kwambiri ndipo idatsika isanalowe mu 2023. Pofika mu 2023, pakati pa madera osiyanasiyana, China itasintha mfundo zake zopewera ndi kuwongolera miliri, msika ukuyembekeza kuyankha; United States ikhoza kukweza chiwongola dzanja kuti ithane ndi kukwera kwa mitengo ndikuchepetsa kufunikira kwa PVC m'dziko muno ku United States. Asia, motsogozedwa ndi China, ndi United States yakulitsa kutumiza kwa PVC kunja pakati pa kufunikira kochepa padziko lonse lapansi. Ponena za Europe, derali lidzakumanabe ndi vuto la mitengo yamagetsi yokwera komanso kutsika kwa mitengo, ndipo mwina sipadzakhala kuchira kokhazikika kwa phindu la mafakitale. ...