Kuphimba kwa PE vs PLA vs Uncoated Cupstock: Mphamvu ya Chisindikizo cha Kutentha ndi Deta Yowola kwa Opanga Makapu a Khofi

Zotsatira Zisanu Zoyesera Chisindikizo cha Kutentha Pazosankha Zitatu Zophimba

Zotsatira zisanu zoyeserera zomwe zili pansipa zinasonkhanitsidwa pa mzere wa chikho chopangira ku mphero yogwirizana ya Bincheng kuyambira 2024 mpaka 2025. Zitsanzo zonse zinagwiritsa ntchito bolodi lofanana la 280 gsm virgin wood pulp base board; koma chophimbacho chinasiyana. Mphamvu ya chisindikizo cha kutentha inayesedwa pa kutentha kwa chisindikizo cha 150°C, kuthamanga kwa chisindikizo cha 0.3 MPa, ndi nthawi yokhala ndi masekondi 1.5, yomwe ndi nthawi yogwiritsira ntchito mizere yopanga chikho chapakati.

Deta ikuwonetsa bwino mgwirizano wapakati. Chikho cha PE chokhala ndi mbali imodzi chimapatsa mphamvu yayikulu kwambiri yotetezera kutentha komanso nthawi yayitali yotetezera madzi otentha, koma chimapeza zotsatira zoyipa kwambiri pakuwonongeka kwa zinthu. Chophimba cha PLA chokhala ndi mbali ziwiri chimapereka chisindikizo chotenthetsera chomwe chingagwiritsidwe ntchito pazakumwa zambiri zotentha, ndi nthawi yotetezera kutentha ya mphindi 28 yomwe imaphimba nthawi yogwiritsira ntchito khofi kwa mphindi 15 mpaka 25. Chikho chosaphimbidwa chokhala ndi guluu wotseka wozizira ndiye chotsika mtengo komanso chosungunuka kwambiri, koma guluu wotseka wotseka wozizira umafewa pa 82°C, zomwe zimapangitsa kuti chisagwiritsidwe ntchito pazakumwa zilizonse zotentha zopitilira 75°C. Njira yoyesera chisindikizo chotenthetsera kumbuyo kwa mfundo izi yalembedwa muIntertek ASTM F1921 hot seal strength reference.

Nambala ya COF ndi yofunika kwambiri pakugwira bwino ntchito kwa chingwe chopangira makapu. Bolodi lokutidwa ndi PE lili ndi COF yotsika kwambiri, zomwe zikutanthauza kudyetsa kopanda kanthu mwachangu komanso kuchuluka kochepa kwambiri kwa kugwedezeka pamakina opanga makapu othamanga kwambiri. Bolodi lokutidwa ndi PLA lili ndi COF yokwera, yomwe nthawi zambiri imafuna kuti liwiro la mzere lichepe ndi 10 mpaka 15 peresenti kuti chisindikizo chikhale cholimba. Bolodi lotidwa ndi COF ndilopamwamba kwambiri, ndipo kugwira kwa ulusi kukhala ulusi kumatanthauza kuti makina ayenera kuthamanga pa liwiro lotsika kwambiri.

Chifukwa Chake Umboni Wokhudza Kuwonongeka kwa Zinthu Zamoyo Umasiyana Pakati pa PE ndi PLA

Kuyerekeza kuwonongeka kwa zinthu zachilengedwe pakati pa PE ndi PLA ndi chimodzi mwa zinthu zomwe sizinalembedwe bwino kwambiri mumakampani opanga makapu. Umboni wa sayansi ndi womveka bwino, koma chilankhulo chotsatsa chomwe chikuzungulira sichimveka bwino. Gawoli likuwonetsa ma data atatu omwe akuwonetsa momwe njira iliyonse yophikira imagwirira ntchito kumapeto kwa moyo.

Seti yoyamba ya deta ndi kupanga manyowa m'mafakitale motsatira EN 13432 mikhalidwe (58°C, chinyezi cha 55 peresenti, malo olamulidwa ndi tizilombo toyambitsa matenda), monga momwe zafotokozedwera mwachidule muPepala loyambira la European Bioplastics EN 13432 (PDF). Kuphimba kwa PE kumawonetsa kuchepa kwa 2 peresenti ya mchere pambuyo pa masiku 90, zomwe zimalephera muyeso wa EN 13432 wa 90 peresenti ya mchere mkati mwa masiku 180. Kuphimba kwa PLA kumawonetsa 87 peresenti ya mchere pambuyo pa masiku 90 pansi pa mikhalidwe yomweyi, zomwe zimadutsa malire. Chikho chosaphimbidwa chikuwonetsa 96 peresenti ya mchere pambuyo pa masiku 60 chifukwa ulusi wokhawo umatha kuwola.

Deta yachiwiri ndi kuwonongeka kwa zinthu za m'nyanja, komwe ndikofunikira m'madera omwe makapu amatha kukhala m'madzi a m'mphepete mwa nyanja. PE sikuwonetsa kuwonongeka koyezeka pambuyo pa miyezi 12 m'madzi a m'nyanja. PLA ikuwonetsa 14 peresenti ya mineralization pambuyo pa miyezi 12, zomwe zimakhala pang'onopang'ono koma sizili zero. Chikho chosaphimbidwa chikuwonetsa 78 peresenti ya mineralization pambuyo pa miyezi 6 m'madzi a m'nyanja, pomwe ulusi umasweka mwachangu kuposa momwe zimakhalira m'mafakitale chifukwa machitidwe a mafunde amathandizira kufalikira kwa ulusi mwachangu.

Deta yachitatu ndi kuwonongeka kwa nthaka m'nyengo yozizira. PE ikuwonetsa kuwonongeka kosakwana 1 peresenti pambuyo pa miyezi 24. PLA ikuwonetsa 41 peresenti pambuyo pa miyezi 24, zomwe zimachitika pang'onopang'ono koma mosalekeza. Chikho chosaphimbidwa chikuwonetsa 91 peresenti pambuyo pa miyezi 12. Mfundo yofunika kuiganizira ndi yakuti umboni woti nthaka ikhoza kuwonongeka umadalira kwambiri malo otayira zinthu.Chidule cha British Plastics Federation cha miyezo yogwiritsira ntchito manyowaimapereka mapu oyendetsera ntchito pakati pa EN 13432 composting ya mafakitale, ziphaso za composting yapakhomo, ndi njira zoyesera kuwonongeka kwa zinthu zachilengedwe., ndipo zomwe malonda amanena kuti "zowonongeka" ziyenera kukhala zogwirizana ndi malo enieni komanso nthawi yeniyeni.

Kwa opanga makapu a khofi omwe amagulitsa ku msika wa EU, lamulo loyenera ndi la Single-Use Plastics Directive (SUP) 2019/904, lomwe limafuna kuti makapu onse okhala ndi pulasitiki azikhala ndi kapangidwe ka chipewa chomangiriridwa pofika chaka cha 2025 kapena apange kuchokera ku zinthu zomwe zimatsatira EN 13432 industrial composting, monga momwe zafotokozedwera munkhaniyi.Mawu ovomerezeka a EUR-Lex SUP Directive 2019/904Makapu okhala ndi PE amalephera kukwaniritsa izi; makapu okhala ndi PLA komanso osaphimbidwa amalephera. Iyi ndi mfundo yoyendetsera yomwe yatsogolera kuvomerezedwa kwa PLA ku Europe kuyambira 2021.

Kugwira Ntchito kwa Kutentha: Kumene Chovala Chilichonse Chimapambana ndi Kulephera

Kutentha ndi pivot yogwirira ntchito yomwe imasankha kuti ndi chophimba chiti chomwe chimagwira ntchito pa ntchito iti. Zosankha zitatuzi zophimba zili ndi mawindo osiyana a kutentha, ndipo kusankha cholakwika ndi cholakwika chofala kwambiri chomwe chimalembedwa mu deta yoyesera.

Chikho chophimbidwa ndi PE chimayesedwa kuti chigwiritsidwe ntchito pa zakumwa zotentha mpaka 95°C popanda kutsekedwa, ndipo chimakhala chokhazikika mpaka 118°C kwa nthawi yochepa. Izi zimaphatikizapo kugwiritsa ntchito khofi, tiyi, ndi chokoleti chotentha. PE imagwiranso ntchito pamlingo wotsika: imakhala yosinthasintha pa -20°C ndipo imagwiritsidwa ntchito kwambiri pa makapu ozizira a zakumwa, zotengera za ayisikilimu, ndi ma phukusi a chakudya chozizira. PE ndiye chophimba chogwiritsidwa ntchito kwambiri pa kutentha konse.

Chikho cha PLA chomwe chili ndi zokutidwa ndi PLA chimayesedwa kuti chigwiritsidwe ntchito pa zakumwa zotentha mpaka 90°C popanda kutsekedwa kwa mphindi 25 zoyambirira, ndipo chimafewa pang'onopang'ono kuposa pamenepo. PLA sigwiritsidwa ntchito pa kutentha kwa 95°C ndipo imasinthasintha ngati ikugwiritsidwa ntchito ndi autoclave. Pa kutentha kochepa, PLA imakhala yolimba pansi pa 5°C, zomwe zimapangitsa kuti isagwiritsidwe ntchito pa chakudya chozizira. Nthawi yotenthetsera ya PLA ndi yopapatiza: zakumwa zofunda zokha, zakumwa zotentha osati zotentha kuposa 90°C kwa nthawi yayitali, ndipo sizigwiritsidwa ntchito mufiriji kapena mufiriji.

Chikho chosaphimbidwa ndi guluu wotsekedwa wozizira chimagwira ntchito mpaka 75°C yokha komanso nthawi yochepa yogwirana. Pamwamba pa 75°C, guluu wotsekedwa wozizira umafewa ndipo khoma la chikho limayamba kusweka. Chikho chosaphimbidwa chimagwira ntchito bwino pa zakumwa zozizira, ayisikilimu, ndi zakudya zouma. Sichoyenera kugwiritsidwa ntchito pa zakumwa zotentha zilizonse. Zenera lopapatiza lotentha limapangitsa chikho chosaphimbidwa kukhala chisankho chapadera m'malo mwa chikho chogwiritsidwa ntchito nthawi zonse.

Kwa opanga omwe amapanga mitundu yosiyanasiyana ya makapu kuchokera ku mzere womwewo wopanga, tanthauzo lenileni ndilakuti mzerewo uyenera kukonzedwa kuti ugwirizane ndi kutentha komwe msika ukufunira. Mzere wokonzedwa bwino wa makapu okhala ndi PE upanga makapu okhala ndi PLA osalimba chifukwa zenera la kutentha lotsekedwa ndi losiyana, komanso mosemphanitsa. Kusakaniza awiriwa pamzere womwewo nthawi zambiri kumafuna kusintha kwa mphindi 30 mpaka 45 ndi kusintha kwa calibration.

Kugwirizana kwa Njira: Mizere Yotsekera Kutentha ndi Liwiro Lopanga Kapu

Kugwirizana kwa mzere wopanga chikho ndi njira yachiwiri yomwe imanyalanyazidwa kwambiri pambuyo pa kuwonongeka kwa zinthu. PE, PLA, ndi chikho chopanda utoto zili ndi mawindo osiyanasiyana otentha otsekereza kutentha, COF yosiyana, komanso chinyezi chosiyana. Liwiro la mzere ndi kutentha kwa chisindikizo ziyenera kusinthidwa kuti zigwirizane ndi zomwe zasankhidwa, ndipo kusintha kolakwika ndiye gwero la kulephera kwa chisindikizo chamunda.

Chikho cha makapu chophimbidwa ndi PE chimatseka pazenera lalikulu la kutentha kwa 140 mpaka 175°C, zomwe zimapatsa ogwiritsa ntchito chotchingira cha madigiri 35. COF ya 0.32 ndi yotsika mokwanira kotero kuti mizere yopanga makapu imatha kuthamanga pa makapu 180 mpaka 220 pamphindi popanda kugwedezeka. Mizere yambiri yopanga makapu ku Europe ndi North America imakonzedwa kuti igwirizane ndi bolodi lophimbidwa ndi PE mwachisawawa. Chikho cha makapu chophimbidwa ndi PLA chimatseka pazenera lopapatiza la 145 mpaka 165°C, ndi chotchingira cha madigiri 20. COF ya 0.41 imatanthauza kuti mizere iyenera kuthamanga pa makapu 150 mpaka 180 pamphindi kuti tipewe mavuto okhudzana ndi chakudya.

Chikho chosaphimbidwa sichingatsekedwe ndi kutentha; chimafuna guluu wotseka wozizira womwe umayikidwa pa msoko popanga chikho. Mizere yotseka wozizira imayenda ndi makapu 120 mpaka 140 pamphindi. Guluuyo amawonjezera pafupifupi 4 mpaka 6 peresenti pamtengo wa chinthucho ndipo amafuna malo osiyana ogwiritsira ntchito guluu pa mzere wopanga chikho. Ogwiritsa ntchito omwe amazolowera mizere yotseka wotentha nthawi zambiri amavutika ndi kufanana kwa guluu wotseka wozizira m'miyezi itatu mpaka isanu ndi umodzi yoyambirira yogwira ntchito.

Kwa magulu ogula omwe amagwiritsa ntchito kale chingwe chopangira makapu, kusankha chophimba kuyenera kuyamba ndi luso lomwe lilipo la chingwecho. Kwa ogula omwe akumanga chingwe chatsopano, kusankha chophimba ndi chisankho chanzeru chomwe chimasankha msika womwe akufuna. Mzere wokonzedwa bwino wa PE udzavutika kupanga chinthu chodalirika cha PLA, ndipo mosemphanitsa. Ichi ndi chifukwa chomwe opanga makapu ambiri amadzipereka ku mtundu umodzi wophimba kwa zaka zosachepera zitatu asanaganize zosintha.

Zoona za PLA Coating Supply Chain mu 2026

Kukhazikika kwa unyolo woperekera zinthu wa PLA ndi njira yachitatu yomwe anthu ambiri amaiwala kugula. Utomoni wa PLA umachokera kwa opanga ochepa padziko lonse lapansi, ndipo kusokonekera kwa utomoni mu 2022 ndi 2024 kunapangitsa kuti mitengo ya PLA ikhale yosasinthasintha kwambiri. Magulu ogula zinthu omwe sanayembekezere kuti unyolo woperekera zinthu udzakhala pachiwopsezo adapezeka ndi kukwera kwa mitengo ndi 30 mpaka 60 peresenti pa mapangano azaka zambiri.

Utomoni wa PLA umapangidwa makamaka kuchokera ku starch ya chimanga, ndipo opanga akuluakulu amakhala ku United States (NatureWorks), Thailand (makampani angapo ogwirizana), ndi China (opanga angapo am'nyumba kuphatikiza Hisun ndi Kingfa). Unyolo woperekera zinthu ndi wochuluka kwambiri kuposa PE, womwe umapangidwa kuchokera ku kusweka kwa petrochemical kwa opanga mazana ambiri padziko lonse lapansi. Kuchuluka kwa zinthu kumatanthauza kuti mitengo ya PLA imakhudzidwa kwambiri ndi zokolola za mbewu, mfundo za mphamvu m'maiko omwe amapanga, komanso mitengo yamalonda.

Kwa ogula omwe akuyang'ana makapu a PLA mu 2026, zinthu zitatu zomwe zingawopseze unyolo wogulitsa ndizofunikira. Choyamba, chiopsezo cha wogulitsa mmodzi: mizere yambiri ya makapu a PLA imakonzedwa kuti ikhale ndi mtundu umodzi wa utomoni wa PLA kuchokera kwa wopanga mmodzi. Opanga osinthana amafunika kuyesedwanso kwa zenera lotseka kutentha, lomwe limatenga miyezi itatu mpaka isanu ndi umodzi. Chachiwiri, chiopsezo cha mayendedwe: Utomoni wa PLA ndi wosalala ndipo uyenera kutumizidwa m'zidebe zotsekedwa ndi desiccant; nthawi yayitali yoyendera imawononga utomoni. Chachitatu, kukhudzidwa kwa mitengo yamtsogolo: Mitengo ya utomoni wa PLA yayambira pa $2.20 mpaka $3.80 pa kg m'zaka zitatu zapitazi, poyerekeza ndi PE pa $1.10 mpaka $1.60 pa kg.

Malangizo othandiza ndi akuti kugula makapu a PLA kuyenera kukhala ndi ziyeneretso zogulitsa zinthu zambiri, ngakhale ngati wogulitsa m'modzi yekha ndiye akugwiritsidwa ntchito. Ntchito yoyenerera imawononga pafupifupi $8,000 mpaka $15,000 mu labu, koma imadzilipira yokha nthawi yoyamba yomwe wogulitsa wamkulu akumana ndi vuto la kusokonezeka kwa zinthu.

Radar Yosankha ya Magawo Asanu ndi Awiri: PE vs PLA vs Uncoated

Tchati cha radar chomwe chili pansipa chikufotokoza mwachidule momwe njira iliyonse yophikira imagwirira ntchito m'magawo asanu ndi limodzi ogulira. Gawo lililonse limayikidwa pa sikelo ya 1 mpaka 5, ndipo 5 ndiyo yabwino kwambiri kwa wopanga makapu a khofi wamba. Zigolizo zimachokera ku deta yoyesera, deta ya kuwonongeka kwa biodegradability, ndi kusanthula kwa unyolo woperekera zomwe zili pamwambapa.

PE ndi PLA zimapeza zigoli zofanana pa radar yophatikizika (23 mwa 30), koma zimapambana pamlingo wosiyana. PE imapambana pa kutentha, nthawi yogwira madzi otentha, kuyanjana kwa njira, komanso kukhazikika kwa mtengo. PLA imapambana pa kuwonongeka kwa zinthu zachilengedwe komanso kutsatira malamulo a EU SUP. Uncoated cupstock imapeza zigoli 21 mwa 30 ndipo imapikisana pa kuwonongeka kwa zinthu zachilengedwe, kutsatira malamulo, ndi mtengo wake.

Kwa wopanga amene akugulitsa kumsika komwe malangizo a EU SUP akugwira ntchito ndipo ogula omwe akufuna kuika patsogolo kupangika kwa manyowa, PLA imapeza mavoti apamwamba kwambiri pa malamulo ndi kukhazikika ndipo ndiye chisankho choyenera. Kwa wopanga amene akugulitsa kumsika komwe mtengo wake ndi waukulu ndipo kupangika kwa manyowa sikunalamuliridwebe, PE imapeza mavoti apamwamba kwambiri pamlingo wogwirira ntchito ndipo ndiye chisankho choyenera. Chikho chosaphimbidwa ndi chisankho choyenera chokha cha zakumwa zozizira kapena chakudya chouma pomwe magwiridwe antchito amadzimadzi otentha sali ofunika. Kapangidwe ka makina ndi kukangana kumbuyo kwa mavoti awa alembedwa mu kafukufuku wa peer-reviewed.Kafukufuku wopanga makapu a mapepala a NC State BioResources.

Kwa ogula omwe akufunafuna bolodi loyambira la chilichonse mwa njira zitatu zophikira,Kabukhu ka mapepala a mafakitale a BinchengBincheng yapereka mapepala oyambira a makapu kwa opanga makapu a khofi ku Southeast Asia, Europe, ndi Middle East kwa zaka 20.

Chitsanzo Chofotokozera Zogula za Opanga Makapu a Khofi

Chitsanzo cha magawo asanu ndi awiri omwe ali pansipa ndi chofunikira kwambiri pa RFQ chomwe chimapanga mtengo wofanana pa mitundu itatu yonse ya utoto. Kutumiza chitsanzo ichi ku RFQ kumalola ogulitsa makapu kuti agule mtengo wofanana, womwe ndi maziko a kufananiza mtengo kulikonse kofunikira.

1. Kulemera kwa bolodi loyambira:target gsm ndi range yovomerezeka (mwachitsanzo, 280 gsm ± 5 peresenti).
2. Mtundu wokutira:Mbali imodzi ya PE, mbali ziwiri za PLA, zosaphimbidwa + zotsekedwa mozizira, kapena mbali imodzi ya PLA.
3. Mphamvu yocheperako ya chisindikizo cha kutentha:N/15mm pa kutentha komwe kwatchulidwa.
4. Nthawi yochepa yosungira madzi otentha:mphindi pa 95°C.
5. Chofunika cha kumapeto kwa moyo:kupanga manyowa m'mafakitale molingana ndi EN 13432, kuwonongeka kwa zinthu za m'nyanja, kuwonongeka kwa nthaka, kapena palibe.
6. Nkhani yokhudza malamulo:Kutsatira malangizo a EU SUP, FDA 21 CFR 176 yokhudzana ndi chakudya, kapena zonse ziwiri.
7. Magawo a mzere wopanga chikho:makapu pa mphindi imodzi, zenera lotenthetsera lotseka, mawonekedwe a chikho chamakono.

TheTsamba la Bincheng lonena za ifeimalemba mbiri ya zaka 20 ya kampaniyo yopereka ma rolls ndi ma jumbo rolls ku tissue zapakhomo, bolodi la mapepala a mafakitale, ndi misika ya mapepala achikhalidwe, yokhala ndi ziphaso za ISO, FDA, ndi SGS. Bincheng ndiye wothandizira yekha wa APP, Bohui, ndi Sun pamsika waku China, ndipo amatha kupeza mapepala oyambira a chikho pamitengo yopikisana komanso nthawi yokhazikika yopezera zinthu.

Kuti mudziwe mtengo wa mapepala okhala ndi zokutira za PE kapena PLA, funsaniGulu logulitsa la Binchengmwachindunji. Ma RFQ ambiri amalandira yankho laukadaulo mkati mwa maola 24 ndi mtengo wamalonda mkati mwa maola 48.

Mafunso Okhudza Wopanga Chikho cha Khofi: Kusankha Chophimba cha Chikho cha Cupstock

Kodi chophimba cha PLA n'chotetezeka pa khofi wotentha woposa 90°C?

Chikho chokhala ndi PLA chimayesedwa kuti chigwiritsidwe ntchito pa zakumwa zotentha mpaka 90°C kwa mphindi 25. Pa kutentha kwa 90°C, PLA imafewa ndipo chisindikizo cha kutentha chimayamba kutaya mphamvu. Pa khofi wotentha kwambiri woperekedwa pamwamba pa 92°C, chophimba cha PE ndiye chisankho chotetezeka.

Kodi makapu okhala ndi PE angapangidwe manyowa m'mafakitale?

Ayi. Kuphimba kwa PE sikukwaniritsa muyezo wa EN 13432 wa ma composting industrial composting wa 90 peresenti mkati mwa masiku 180. Makapu ophimbidwa ndi PE amatha kubwezeretsedwanso m'mitsinje yobwezeretsanso mapepala pokhapokha ngati gawo la PE likhoza kulekanitsidwa, zomwe zimafuna malo apadera omwe sapezeka kwambiri.

Kodi mtengo wa PLA ndi PE cupstock mu 2026 ndi wotani?

Mu 2026, chikho chophimbidwa ndi PLA chimadula pafupifupi 30 mpaka 50 peresenti pa mita imodzi ya sikweya kuposa chikho chophimbidwa ndi PE, kutengera kuchuluka kwa oda ndi wogulitsa. Mtengo wamtengo wapataliwu wachepa kuyambira 2022 chifukwa cha kuchuluka kwa unyolo woperekera zinthu wa PLA, koma ukadali wofunikira kwambiri pa ntchito zambiri za makapu a khofi.

Kodi chikho chosaphimbidwa chimagwira ntchito pa khofi wotentha?

Ayi. Chikho chosaphimbidwa chimagwiritsa ntchito guluu wozizira womwe umafewa pa 82°C. Khofi wotentha woposa 75°C umapangitsa kuti msoko wa chikho usagwire ntchito mkati mwa mphindi 10 mpaka 15. Chikho chosaphimbidwa chimagwiritsidwa ntchito pa zakumwa zozizira, ayisikilimu, ndi zakudya zouma zokha.

Ndi njira iti yophikira yomwe ikukwaniritsa zofunikira za EU SUP Directive?

Chikho chophimbidwa ndi PLA ndi chosaphimbidwa zonse zimagwirizana ndi zofunikira za EU SUP Directive. Chikho chophimbidwa ndi PE sichikwaniritsa zofunikira pokhapokha ngati chikugwirizana ndi kapangidwe ka chipewa chomangiriridwa. Kusankha pakati pa PLA ndi chosaphimbidwa kumadalira kutentha komwe kumafunika pa ntchitoyo.

Kodi liwiro la mzere wopanga chikho limasiyana bwanji pakati pa zophimba zitatuzi?

Chikho cha PE-coated cup chimathandizira liwiro la mzere mwachangu kwambiri (makapu 180 mpaka 220 pamphindi) chifukwa cha kuchepa kwa coefficient of friction. Chikho cha PLA-coated cup chimafuna liwiro la mzere pang'onopang'ono la 10 mpaka 15 peresenti (makapu 150 mpaka 180 pamphindi). Chikho cha PE chosaphimbidwa ndi guluu wozizira chimafuna liwiro lochepa kwambiri (makapu 120 mpaka 140 pamphindi).

Kodi chophimba cha PLA chingabwezeretsedwenso mu mitsinje ya pepala?

Chophimba cha PLA sichikugwirizana ndi mitsinje yokhazikika yobwezeretsanso mapepala, yomwe idapangidwa kuti ibwezeretse ulusi ndi zinthu zodetsa zomwe sizingachotsedwe. PLA imatha kupangidwanso koma singathe kubwezeretsedwanso m'njira yachikhalidwe. Chophimba cha PE chimakanidwanso ndi mitsinje yokhazikika yobwezeretsanso mapepala.

Nchifukwa chiyani PLA imadula ndalama zambiri kuposa PE mu 2026?

PLA imadula mtengo chifukwa utomoni umapangidwa kuchokera ku chakudya chaulimi (makamaka chimanga) ndi opanga ochepa apadera, pomwe PE imapangidwa kuchokera ku chakudya cha petrochemical ndi opanga mazana ambiri akuluakulu. Kuchuluka kwa PLA mu unyolo woperekera zakudya kumapangitsa kuti mtengo ukhale wokwera kwambiri.

Zolemba za Malamulo a Cupstock ndi Mbiri ya Mill

Malamulo ndi maumboni aukadaulo omwe atchulidwa mu bukhuli — kuphatikizapo muyezo wa EN 13432 composting, EU SUP Directive 2019/904, FDA 21 CFR 176 food contact regulation, njira yoyesera kutentha ya ASTM F1921, ndi pepala lowunikidwanso ndi NC State BioResources — zonse zili pamzere wolumikizidwa mkati mwa gawo loyenera pamwambapa, pamodzi ndi matebulo a deta ndi radar yosankha.

Tsamba lofotokozera za bolodi la mapepala oyezera chakudya, lomwe lagwiritsidwa ntchito mu bukhuli, ndiKabukhu ka mapepala a Bincheng chakudya cha kalasiMapepala ambiri a mafakitale, kuphatikizapo mapepala oyambira a chikho, bolodi lokutidwa ndi PE, ndi ma substrates a bolodi lokutidwa ndi PLA, alembedwa paTsamba la pepala la mafakitale la Bincheng.

Zokhudza wolemba: Liam ndi Woyang'anira Kugulitsa Zinthu Zakunja ku Ningbo Bincheng Packaging Materials Co., Ltd., ndipo ali ndi zaka 20 akugwira ntchito mumakampani opanga mapepala. Lumikizanani nafeFacebook, YouTubekapenaLinkedInKuti mudziwe mtengo wa mawu olembedwa pa bolodi la pepala lokhala ndi zokutira za PE kapena PLA, funsaniGulu logulitsa la Bincheng.