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Chidule cha mapulasitiki (zakudya ndi zakumwa): amatanthauza chiyani pa thanzi lathu?
Pulasitiki ikhoza kukhala zinthu zochititsa chidwi kwambiri masiku ano. Imatipatsa zinthu zingapo zabwino zomwe zimatithandiza tsiku lililonse. Pulasitiki imagwiritsidwanso ntchito m'mitundu yambiri yazakudya & zakumwa. Amathandizira kuteteza zakudya kuti zisawonongeke. Koma kodi mukudziwa mwatsatanetsatane kusiyana kwa mapulasitiki? Kodi zikutanthauza chiyani pa thanzi lathu?
● Kodi mapulasitiki omwe amagwiritsidwa ntchito popaka zakudya ndi zakumwa ndi ati?
Mwinamwake mwawonapo nambala 1 mpaka 7 pansi kapena mbali ya chidebe chapulasitiki. Nambala iyi ndi pulasitiki "code identification code," yomwe imadziwikanso kuti "recycling number." Nambalayi ikhozanso kupereka chitsogozo kwa ogula omwe akufuna kukonzanso zotengera zapulasitiki.
● Kodi nambala ya papulasitiki imatanthauza chiyani?
Code Resin Identification Code kapena nambala yobwezeretsanso pa pulasitiki imazindikiritsa mtundu wa pulasitiki. Pano tikufuna kugawana zambiri za mapulasitiki omwe amagwiritsidwa ntchito kwambiri popaka zakudya ndi zakumwa, omwe amapezeka ku Society of Plastics Engineers (SPE) ndi Plastics Industry Association (PIA):
PETE kapena PET (Nambala yobwezeretsanso 1 / Resin ID Code 1
 | Ndi chiyani: |
| Polyethylene terephthalate (PETE kapena PET) ndi pulasitiki yopepuka yomwe imapangidwa kuti ikhale yolimba kapena yolimba yomwe imapanga.imakhudza kwambiri kugonjetsedwa, ndipo imathandizira kuteteza chakudya kapena zamadzimadzi mkati mwazopaka. | |
| Zitsanzo: | |
| Mabotolo a zakumwa, mabotolo a Chakudya/mitsuko (chovala saladi, batala wa mtedza, uchi, ndi zina zotero) ndi zovala za poliyesitala kapena chingwe. | |
| Ubwino: | Zoyipa: |
| ●ntchito zambiri ngati CHIKWANGWANI●ogwira kwambiri chinyezi chotchinga ●chosasunthika | ● Pulasitiki ili ndi lotetezeka, koma ndi lofunika kuliteteza kuti lisatenthedwe kapena lingachititse kuti tizilombo toyambitsa matenda (monga flame retardant antimony trioxide) kuti tilowe mu zakumwa zanu. |
HDPE (Nambala yobwezeretsanso 2 / Resin ID Code 2)
 | Ndi chiyani: |
| High-density polyethylene (HDPE) ndi pulasitiki wolimba, wosawoneka bwino komanso wopepuka komanso wamphamvu. Mwachitsanzo, botolo la mkaka la HDPE limatha kulemera ma ounces awiri okha koma likhale lamphamvu moti limatha kunyamula galoni imodzi ya mkaka. | |
| Zitsanzo: | |
| Makatoni amkaka, mabotolo otsukira, zomangira mabokosi a phala, zoseweretsa, ndowa, mabenchi osungiramo malo ndi mapaipi olimba. | |
| Ubwino: | Zoyipa: |
| ●Amaonedwa kuti ndi otetezeka komanso ali ndi chiopsezo chochepa cha leaching. | ● Nthawi zambiri amakhala ndi utoto woonekera |
PVC (Nambala yobwezeretsanso 3 / Resin ID Code 3)
 | Ndi chiyani: |
| The element chlorine ndiye chinthu chachikulu chomwe chimagwiritsidwa ntchito popanga polyvinyl chloride (PVC), mtundu wamba wapulasitiki womwe umalimbana ndi biologically ndi mankhwala. Makhalidwe awiriwa amathandiza zotengera za PVC kuti zisunge kukhulupirika kwa zinthu zomwe zili mkati, kuphatikiza mankhwala. | |
| Zitsanzo: | |
| Mapaipi amadzimadzi, makhadi a ngongole, zoseweretsa za anthu ndi ziweto, ngalande za mvula, mphete zamadzi, matumba amadzimadzi a IV ndi machubu azachipatala ndi masks a okosijeni. | |
| Ubwino: | Zoyipa: |
| ●Olimba (ngakhale mitundu yosiyanasiyana ya PVC idapangidwa kuti ikhale yosinthika)●Wamphamvu;●Kulimbana ndi biologically ndi mankhwala; | ● PVC ili ndi mankhwala ofewetsa otchedwa phthalates omwe amasokoneza kukula kwa mahomoni; ● Sangagwiritsidwe ntchito kuphika kapena kutenthetsa; |
LDPE (Nambala yobwezeretsanso 4 / Resin ID Code 4)
 | Ndi chiyani: |
| Low-density polyethylene (LDPE) ndi yowonda kuposa ma resin ena komanso imakhala yolimba kwambiri pakutentha. Chifukwa cha kulimba kwake komanso kusinthasintha, LDPE imagwiritsidwa ntchito makamaka pamakanema omwe amafunikira kusindikiza kutentha. | |
| Zitsanzo: | |
| Pulasitiki / zomatira, masangweji ndi matumba a buledi, zokutira thovu, matumba otaya zinyalala, matumba a golosale ndi makapu a zakumwa. | |
| Ubwino: | Zoyipa: |
| ●High ductility;● Zosachita dzimbiri; | ● Mphamvu zochepa;● Sizobwezerezedwanso ndi mapulogalamu wamba; |
PP (Nambala yobwezeretsanso 5 / Resin ID Code 5)
 | Ndi chiyani: |
| Polypropylene (PP) ndi yolimba pang'ono koma yocheperako kuposa mapulasitiki ena. Itha kupanga translucent, opaque kapena mtundu wina ikapangidwa. PP nthawi zambiri imakhala ndi malo osungunuka kwambiri, zomwe zimapangitsa kuti ikhale yoyenera kwambiri pazakudya zomwe zimagwiritsidwa ntchito mu ma microwave kapena kutsukidwa muzotsuka mbale. | |
| Zitsanzo: | |
| Udzu, zisoti za mabotolo, mabotolo operekedwa ndi mankhwala, zotengera zakudya zotentha, tepi yoyikamo, matewera otayika ndi mabokosi a DVD/CD. | |
| Ubwino: | Zoyipa: |
| ●ntchito yapadera kwa mahinji amoyo;● Kusamva kutentha; | ● Imaonedwa kuti ndi yotetezeka mu microwave, koma timalangizabe galasi ngati zinthu zabwino kwambiri zopangira ma microwave; |
PS (Nambala yobwezeretsanso 6 / Resin ID Code 6)
 | Ndi chiyani: |
| Polystyrene (PS) ndi pulasitiki yopanda mtundu, yolimba yopanda kusinthasintha. Itha kupangidwa kukhala thovu kapena kuponyedwa mu nkhungu ndikupatsidwa tsatanetsatane wa mawonekedwe ake ikapangidwa, mwachitsanzo mu mawonekedwe a masupuni apulasitiki kapena mafoloko. | |
| Zitsanzo: | |
| Makapu, zotengera zakudya, kutumiza ndi kulongedza katundu, makatoni mazira, zoduliramo ndi kutchinjiriza nyumba. | |
| Ubwino: | Zoyipa: |
| ●Mapulogalamu a thovu; | ● Kutulutsa mankhwala omwe angakhale poizoni, makamaka akatenthedwa;● Zimatenga zaka mazana ndi mazana kuti ziwole. |
Zina kapena O (Nambala yobwezeretsanso 7 / Resin ID Code 7)
 | Ndi chiyani: |
| "Zina" kapena chizindikiro cha #7 pamapaketi apulasitiki akuwonetsa kuti zoyikapo zimapangidwa ndi utomoni wapulasitiki kupatula mitundu isanu ndi umodzi ya utomoni womwe watchulidwa pamwambapa, mwachitsanzo zoyikapo zitha kupangidwa ndi polycarbonate kapena bioplastic polylactide (PLA) mwachitsanzo, kapena ukhoza kupangidwa ndi utomoni wapulasitiki umodzi. | |
| Zitsanzo: | |
| Magalasi a maso, mabotolo a ana ndi masewera, zamagetsi, zowunikira komanso zodulira pulasitiki zomveka bwino. | |
| Ubwino: | Zoyipa: |
| ●Zida zatsopano zimapereka malingaliro atsopano pamiyoyo yathu, monga zinthu za Tritan zimagwiritsidwa ntchito kwambiri pamabotolo a hydration; | ● Kugwiritsa ntchito pulasitiki m'gululi kuli pachiwopsezo chanu chifukwa simudziwa zomwe zingakhalemo. |
Izi ndi mitundu yodziwika bwino ya pulasitiki yomwe timakumana nayo. Izi mwachiwonekere ndi chidziwitso chofunikira kwambiri pamutu womwe munthu atha miyezi ingapo akufufuza. Pulasitiki ndi zinthu zovuta, monga momwe zimapangidwira, kugawa ndi kugwiritsa ntchito. Tikukulimbikitsani kuti mudumphire mozama kuti mumvetsetse zovuta zonsezi, monga pulasitiki, kubwezanso, zoopsa zaumoyo ndi zina, kuphatikiza zabwino ndi zoyipa za bioplastics.
Nthawi yotumiza: Nov-12-2021
