PLA Yowola Pepala la pulasitiki Yopangira Chakudya

PLA Yowola Pepala la pulasitiki Yopangira Chakudya

HSQY Plastic Group imapereka pulasitiki ya PLA pepala zakuthupi yowola yomwe imayikidwa kuti igwiritsidwe ntchito pokonza chakudya ndi kupanga zinthu zotenthetsera. PLA (Polylactic Acid) ndi thermoplastic yopangidwa kuchokera ku zinthu zongowonjezedwanso monga chimanga ndi nzimbe. Imagwiritsidwa ntchito ngati chinthu china chogwiritsidwa ntchito pokonza chakudya komwe zinthu zochokera ku zomera komanso kukhala ndi manyowa m'mafakitale ndizofunikira kwambiri pogula.

HSQY PLA pepala zakuthupi imapereka mawonekedwe abwino komanso kuthekera kopanga zinthu zotenthetsera kutentha popanga chakudya thireyi , zotengera za clamshell, makapu, zivindikiro ndi zinthu zina zopakira. Kukhuthala komwe kulipo kumayambira pa 0.15 mm mpaka 3 mm, ndipo m'lifupi mwake ndi 1300 mm. Zipangizozi zili ndi kuchuluka kwa 1.27 g/cm³.

Ma PLA pepala zakuthupi awa amapangidwira opanga ma paketi, mafakitale opangira kutentha, osinthira ma paketi azakudya ndi ogulitsa omwe akufunafuna zinthu zopangidwa ndi pulasitiki pepala zakuthupi zochokera ku zomera. Mafotokozedwe azinthu, zolemba zokhudzana ndi chakudya komanso zofunikira pakutha kwa manyowa zitha kukambidwa malinga ndi momwe mukufunira kugwiritsa ntchito komanso msika womwe mukufuna kupita.

Zofunika Kwambiri Zamalonda:

• Zinthu zopangidwa ndi pulasitiki zopangidwa ndi PLA (Polylactic Acid)

• Zochokera ku zinthu zobwezerezedwanso zochokera ku zomera

• Kunenepa: 0.15–3 mm

• M'lifupi mwake: 1300 mm

• Kuchuluka: 1.27 g/cm³

• Kuwonekera bwino kwa ntchito zopaka chakudya

• Yoyenera kupangidwa ndi thermoforming ndi ma CD

• Zogwiritsidwa ntchito zikuphatikizapo chakudya thireyi , makapu, zivindikiro ndi zotengera za clamshell

           Pemphani Mtengo wa PLA Sheet        

Mafotokozedwe a PLA Pepala la pulasitiki

Mapulasitiki a HSQY PLA pepala zakuthupi amapezeka m'makulidwe osiyanasiyana komanso m'lifupi mwake kuti agwiritsidwe ntchito pokonza chakudya komanso kupanga zinthu zotentha. Tebulo lotsatirali likufotokoza mwachidule zomwe zaperekedwa pa izi.

Chidziwitso: Gawo lomaliza la zinthu, kulekerera kwa miyeso, mawonekedwe a zinthu zomwe zaperekedwa, ndi momwe zinthu zikuyendera ziyenera kutsimikiziridwa musanapange.

Zinthu Zofunika Kwambiri za PLA Yowonongeka Pepala la pulasitiki s

Zinthu Zochokera ku Bio-based kuchokera ku Renewable Resources

PLA ndi thermoplastic yopangidwa kuchokera ku zinthu zongowonjezedwanso monga chimanga ndi nzimbe. Mosiyana ndi mapulasitiki achikhalidwe opangidwa ndi mafuta, PLA imagwiritsa ntchito chakudya chochokera ku zomera popanga. Ndi njira yabwino kwa opanga ma CD omwe amapanga zinthu zomwe zingangowonjezedwanso.

Zosankha Zogwirizana ndi Mafakitale

Mafomula ena a PLA amapangidwira kuti awonongeke pansi pa mikhalidwe yolamulidwa ya mafakitale, komwe kutentha, chinyezi ndi ntchito ya tizilombo toyambitsa matenda zimathandiza njira yopangira manyowa. Kukhazikika kwenikweni kwa manyowa kumadalira kapangidwe ka zinthu, makulidwe, kapangidwe ka chinthu chomalizidwa ndi satifiketi yoyenera. Ogula omwe akufuna maphukusi ovomerezeka a manyowa ayenera kutsimikizira zikalata zoyenera za mtundu wosankhidwa.

Kuwonekera Kwabwino Kwambiri Pakuwonera Chakudya

Mapulasitiki a PLA pepala zakuthupi amapereka kuwala kowoneka bwino kwa ma CD pomwe mawonekedwe azinthu ndi ofunikira. Zowonekera pepala zakuthupi zimatha kusinthidwa kukhala chakudya thireyi , makapu ndi zowonetsera, zomwe zimathandiza ogula kuwona bwino zinthu zomwe zapakidwa.

Yoyenera Kugwiritsa Ntchito Thermoforming

Ma PLA pepala zakuthupi amatha kukonzedwa pogwiritsa ntchito thermoforming kuti apange zinthu zolongedza m'mawonekedwe ndi kukula kosiyanasiyana. Mikhalidwe yopangira imadalira makulidwe a pepala zakuthupi , mtundu wa PLA, kapangidwe ka nkhungu, kutentha kwa kutentha ndi zida zopangira. Opanga ayenera kuchita mayeso opanga kuti adziwe magawo oyenera opangira.

Zopepuka Pepala la pulasitiki

Ndi kuchuluka kwa 1.27 g/cm³, PLA pepala zakuthupi s imapereka njira yopepuka yopangira zinthu zosinthira ma CD. Kukhuthala kwa pepala ndi kapangidwe ka chinthucho zitha kusankhidwa malinga ndi kulimba komwe kukufunika, kuzama kwake komanso miyeso yomalizidwa ya ma CD.

Zosankha Zopangira Zakudya

Ma PLA pepala zakuthupi angagwiritsidwe ntchito poika chakudya pamene mtundu wosankhidwayo ukukwaniritsa zofunikira zoyenera zokhudzana ndi chakudya. Ogula ayenera kutsimikizira mayeso osamukira, kulengeza za kuvomereza ndi zikalata zina zogwirizana ndi msika wopitako komanso momwe chakudya chikugwirizanirana ndi chakudya.

Kugwiritsa ntchito kwa PLA Pepala la pulasitiki s pokonza chakudya

Mapulasitiki a PLA pepala zakuthupi amagwiritsidwa ntchito popanga zinthu zosiyanasiyana zopakira chakudya kudzera mu njira zosinthira kutentha ndi zina zokhudzana nazo. Zipangizo zowonekera bwino za PLA ndizofunikira kwambiri pakugwiritsa ntchito ma phukusi pomwe kuwoneka kwa zinthu ndi kuchuluka kwa zinthu zochokera ku zomera ndikofunikira.

Makapu a Chakumwa Chozizira ndi Makapu a Ice

Ma PLA pepala zakuthupi amatha kupangidwa kukhala makapu owonekera bwino a zakumwa zozizira, zakumwa zoziziritsa kukhosi ndi zakumwa zina zoziziritsa kukhosi. Opanga makapu ayenera kusankha mtundu woyenera wa zinthu kutengera momwe zimakhalira, zomwe zimafunika kuti zigwirizane ndi madzi, komanso momwe zinthuzo zimagwirira ntchito.

Ziwiya Zowonetsera Zosungidwa mu Firiji

Ma PLA pepala zakuthupi owonekera bwino angagwiritsidwe ntchito popanga ziwiya zowonetsera makeke ophikidwa mufiriji, zipatso zodulidwa zatsopano ndi zakudya zozizira zokonzeka kudya. Kapangidwe ka phukusi kayenera kuganizira kukula kwa chinthucho, momwe chimasungidwira, chinyezi komanso kulimba kwa chidebecho.

Zotengera za Clamshell zomwe zimapangidwa ndi Thermoformed Thireyi ya chakudya

Ma PLA pepala zakuthupi ndi oyenera kupanga zotengera za thermoformed thireyi ndi clamshell za zipatso zatsopano, masaladi ndi zakudya zina. Makulidwe osiyanasiyana amatha kuyesedwa malinga ndi kuya kwa dzenje, kukula kwa thireyi ndi mphamvu zomwe zimafunika pa phukusi lomalizidwa.

Zivindikiro ndi Zophimba Chakudya

Zipangizo za PLA pepala zakuthupi zitha kuganiziridwanso ngati zili ndi zivindikiro ndi zophimba zoyenera zophimbidwa ndi thermoformed. Giredi yosankhidwa iyenera kuyesedwa kuti iwonetse momwe zinthu zilili, momwe zimagwirizanirana, momwe zimagwirizanirana ndi kutseka, komanso momwe zinthu zimasungidwira.

Kukonza ndi Kukonza Mapepala a PLA

Mapulasitiki a PLA pepala zakuthupi amagwiritsidwa ntchito ngati zipangizo zopangira ma CD olimba a chakudya kudzera mu thermoforming. Panthawiyi, pepala zakuthupi imatenthedwa kufika kutentha koyenera, imapangidwa pogwiritsa ntchito nkhungu kenako imazizira kuti ipeze mawonekedwe ofunikira a ma CD.

Kusankha Kukhuthala kwa Mapepala

Kukhuthala kofunikira kumadalira kukula kwa chidebe chomalizidwa, kuya kwa kapangidwe kake, kufalikira kwa zinthu ndi kuuma kwake. HSQY imapereka makulidwe olembedwa a 0.15–3 mm. Ogula ayenera kupereka miyeso ya chinthu chomwe akufuna komanso zofunikira za nkhungu posankha mtundu woyenera.

Kutentha ndi Kupanga Zinthu

Mikhalidwe yogwiritsira ntchito PLA imasiyana malinga ndi kapangidwe ka utomoni, makulidwe a pepala zakuthupi ndi zida zotenthetsera. Kutentha kotenthetsera, nthawi yotenthetsera, kutentha kwa nkhungu, kuthamanga kwa mapangidwe ndi mikhalidwe yozizira ziyenera kukonzedwa bwino kudzera mu mayeso opangira.

Kuwunika Kwazinthu Zomalizidwa

Asanayambe kupanga malonda, opanga ayenera kuwunika momwe zinthu zilili, kuya kwa mapangidwe ake, kufalikira kwa makulidwe a khoma, kukhazikika kwa mawonekedwe ake, mtundu wa kudula ndi momwe chakudya chimagwirizanirana ndi phukusi lomalizidwa.

PLA vs. Zachizolowezi PET Pepala la pulasitiki

PLA ndi PET zonsezi zimagwiritsidwa ntchito popaka pulasitiki, koma zili ndi chiyambi chosiyana cha zinthu komanso mawonekedwe a nthawi yomaliza. Kusankha kumadalira momwe ma paketi amagwirira ntchito, zofunikira pakukonza, malamulo oyenera komanso zomangamanga zoyendetsera zinyalala.

Zipangizo ziwirizi sizimasinthasintha pa ntchito iliyonse. PLA ili ndi mawonekedwe osiyana a kutentha ndi kukonza zinthu kuchokera ku PET . Ogula ayenera kuwunika zinthuzo poyerekeza ndi zida zawo zopangira zomwe zilipo, zofunikira pakulongedza zomwe zamalizidwa, komanso zomangamanga zoyendetsera zinyalala zakomweko.

Kukhazikika kwa Mafakitale ndi Kuyika kwa PLA

PLA imagwiritsidwa ntchito kwambiri popanga zinthu zopakidwa manyowa. Komabe, kuwonongeka kwa zinthu ndi manyowa kumadalira kapangidwe kake ka zinthuzo komanso momwe zinthuzo zimagwiritsidwira ntchito.

Malo opangira manyowa m'mafakitale amapereka kutentha koyenera, chinyezi, ndi zinthu zachilengedwe zomwe zimathandiza kuti zinthu zovomerezeka zogwiritsidwa ntchito popanga manyowa ziwonongeke. PLA yokhazikika siyenera kuonedwa ngati yoyenera kupanga manyowa m'nyumba, kuwonongeka kwa nthaka wamba kapena kuwonongeka kwa nthaka m'madzi.

Pa mapulojekiti omwe akufuna ma CD ovomerezeka opangidwa ndi manyowa, ogula ayenera kutsimikizira ngati ma CD osankhidwa a PLA ndi ma CD omalizidwa akukwaniritsa miyezo yoyenera monga EN 13432 kapena ASTM D6400. Chitsimikizo chiyenera kuthandizidwa ndi zikalata zovomerezeka za malonda.

HSQY ikhoza kukambirana zofunikira pa ntchito zokhudzana ndi ma CD ndi ma composting. Chonde tchulani muyezo wofunikira wa ma composting ndi msika wopitako mukapempha mtengo.

Zofunikira pa Kulumikizana ndi Chakudya pa Mapepala a PLA

Ma PLA pepala zakuthupi omwe amapangidwira kuti agwirizane mwachindunji ndi chakudya ayenera kukwaniritsa zofunikira pamsika wopitako komanso momwe chakudya chikugwiritsidwira ntchito. Kutsatira malamulo kumadalira mtundu wa utomoni wa PLA, zowonjezera, njira yopangira, ndi momwe amamangidwira.

Ogula omwe atumiza PLA pepala zakuthupi s kuti aphimbe chakudya ayenera kutsimikizira mayeso oyenera osamukira, kulengeza za kuvomereza ndi zikalata zina zothandizira asanagwiritse ntchito malonda.

Pa mapulojekiti omwe akuyang'ana ku United States kapena European Union, chonde tchulani zofunikira zoyenera zokhudzana ndi chakudya kuti zikalata zoyenera za malonda ziwunikidwe.

           Kambiranani Zofunikira pa Kupaka Chakudya cha PLA        

Kupereka ndi Kusintha kwa PLA Pepala la pulasitiki

HSQY Plastic Group imapereka zipangizo zapulasitiki za PLA pepala zakuthupi kwa opanga ma CD, mafakitale opangira zinthu zotentha, ogulitsa ndi osinthira ma CD. Mafotokozedwe osiyanasiyana pepala zakuthupi akhoza kukambidwa malinga ndi zomwe kasitomala akufuna kupanga.

Kukhuthala ndi Kufupika Koyenera

Kukhuthala kwa PLA pepala zakuthupi komwe kwatchulidwaku kumasiyana kuyambira 0.15 mm mpaka 3 mm, ndipo m'lifupi mwake ndi 1300 mm. Ogula akhoza kupereka miyeso yawo yofunikira, kulekerera makulidwe ndi kugwiritsa ntchito popanga kuti awunikenso zomwe akufuna.

Zosankha Zowonekera Zazinthu

Ma PLA pepala zakuthupi owonekera bwino ndi oyenera kupanga ma CD a chakudya pomwe kuwoneka bwino kwa chinthu chomwe chapakidwa ndikofunikira. Mawonekedwe ofunikira a kuwala ayenera kutsimikiziridwa malinga ndi momwe phukusi lamalizidwa kupakidwa.

Zofunikira pakupereka kwa mafakitale opangira zinthu zotentha

Kuti muwunikire pulojekiti yopereka zinthu ya PLA pepala zakuthupi , ogula ayenera kupereka chinthu chomwe akufuna, makulidwe pepala zakuthupi , m'lifupi mwa ntchito, kuya kwa kapangidwe kake, mtundu wa makina, kuchuluka kwa zinthu zomwe akufuna kugula komanso msika wogulira. Izi zimathandiza kudziwa ngati zinthuzo zikugwirizana ndi zomwe akufuna kugwiritsa ntchito.

Mafunso Omwe Amafunsidwa Kawirikawiri Okhudza PLA Pepala la pulasitiki s

1. Kodi pulasitiki ya PLA pepala zakuthupi ndi chiyani?

PLA pulasitiki pepala zakuthupi ndi thermoplastic pepala zakuthupi yopangidwa kuchokera ku Polylactic Acid, polima yochokera ku zamoyo yopangidwa kuchokera ku zinthu zongowonjezedwanso monga chimanga ndi nzimbe. Imagwiritsidwa ntchito popanga thermoforming, kulongedza chakudya ndi zina zosinthira pulasitiki.

2. Kodi PLA pepala zakuthupi imatha kuwola?

Mafomula ena a PLA amapangidwira kuti awonongeke pansi pa mikhalidwe yolamulidwa ya manyowa a mafakitale. Kugwira ntchito kwenikweni kumadalira mtundu wa zinthu, makulidwe a chinthu chomalizidwa komanso malo opangira manyowa. Ogula ayenera kuyang'ana satifiketi yoyenera komanso zikalata zaukadaulo asananene kuti manyowa ndi ofunikira.

3. Kodi PLA ndi yoyenera kupanga manyowa m'mafakitale?

Zipangizo zosankhidwa za PLA zitha kupangidwira kupanga manyowa m'mafakitale. Miyezo monga EN 13432 ndi ASTM D6400 imagwiritsidwa ntchito kwambiri poyesa ma phukusi opangidwa ndi manyowa. Kutsatira malamulo kuyenera kutsimikiziridwa kudzera mu satifiketi yovomerezeka ya chinthucho ndi chinthu chomalizidwa.

4. Kodi pulasitiki ya PLA pepala zakuthupi ingapangidwe manyowa kunyumba?

PLA yokhazikika yopangidwa ndi manyowa m'mafakitale siyenera kuonedwa ngati yopangidwa ndi manyowa m'nyumba yokha. Mikhalidwe yopangira manyowa m'nyumba ndi yosiyana ndi mafakitale. Chonde onani ngati chinthucho chili ndi satifiketi yovomerezeka yogwiritsira ntchito manyowa m'nyumba musananene izi.

5. Kodi makulidwe otani omwe alipo a HSQY PLA pepala zakuthupi s?

HSQY imalemba PLA plastic pepala zakuthupi s m'makulidwe kuyambira 0.15 mm mpaka 3 mm. Kukhuthala koyenera kumadalira chinthu chomwe chikufunidwa kulongedza, kupanga kuya, kukula ndi kulimba.

6. Kodi m'lifupi mwake mwa pulasitiki ya HSQY PLA pepala zakuthupi ndi chiyani?

M'lifupi mwake ndi 1300 mm. Chonde funsani HSQY kuti mutsimikizire m'lifupi womwe ulipo kuti mukwaniritse makulidwe omwe mukufuna komanso zomwe mukufuna kupanga.

7. Kodi kuchuluka kwa HSQY PLA pepala zakuthupi s ndi kotani?

Kuchuluka kwa zinthu zomwe zatchulidwazi za PLA pepala zakuthupi ndi 1.27 g/cm³. Katundu weniweni wa zinthu ayenera kutsimikiziridwa motsutsana ndi kalasi yosankhidwa yopangira ndi deta yake yaukadaulo pepala zakuthupi .

8. Kodi PLA pepala zakuthupi ikhoza kusinthidwa kukhala chakudya thireyi ndi makapu?

Inde. PLA pepala zakuthupi s imatha kusinthidwa kukhala chakudya choyenera thireyi , makapu, zivindikiro ndi zotengera za clamshell. Magawo opangira zinthu amadalira kapangidwe ka zinthu, makulidwe, kapangidwe ka nkhungu ndi zida zopangira.

9. Kodi PLA pepala zakuthupi ndi yoyenera kukhudzana mwachindunji ndi chakudya?

Kuyenerera kwa chakudya kuti chigwirizane ndi chakudya kumadalira mtundu wa PLA, zowonjezera, njira zopangira, ndi malamulo ofunikira pamsika. Ogula ayenera kupempha malipoti oyenerera oyesa kusamuka ndi kulengeza kuti akugwirizana ndi zomwe akugwiritsa ntchito asanagwiritse ntchito zinthuzo pokhudzana ndi chakudya mwachindunji.

10. Kodi ma CD a PLA angagwiritsidwe ntchito mu ma microwave kapena ma uvuni?

Ma phukusi wamba a PLA nthawi zambiri amakhala ndi kukana kutentha kochepa ndipo sayenera kuonedwa ngati oyenera kugwiritsidwa ntchito mu microwave kapena mu uvuni. Mafomu apadera osapsa ndi kutentha akhoza kukhala ndi mawonekedwe osiyanasiyana. Chonde tsimikizirani kutentha kofunikira ndikupempha zambiri zothandizira mayeso musanasankhe chinthucho.

11. Kodi kusiyana pakati pa PLA ndi PET pulasitiki pepala zakuthupi ndi kotani?

PLA ndi polima yochokera ku zamoyo yopangidwa kuchokera ku zinthu zongowonjezwdwanso, pomwe PET yachikhalidwe nthawi zambiri imapangidwa kuchokera ku zinthu zopangira mafuta. Zonsezi zitha kugwiritsidwa ntchito popangira zinthu zosankhidwa ndi thermoformed, koma momwe zimagwirira ntchito, kukana kutentha ndi njira zomwe zimatha zimasiyana.

12. Kodi PLA pepala zakuthupi ingagwiritsidwe ntchito popaka chakudya mufiriji?

Ma PLA pepala zakuthupi akhoza kuganiziridwa kuti agwiritsidwe ntchito pokonza chakudya m'firiji. Ogula ayenera kuwunika kuchuluka kwa zinthuzo, kutentha kosungira, chinyezi, kapangidwe ka ma CD ndi zofunikira pakugwirizana ndi chakudya asanagulitse.

13. Kodi HSQY ingapereke miyeso ya PLA pepala zakuthupi yokonzedwa mwamakonda?

HSQY ili ndi mulifupi wokwanira wa 1300 mm ndi makulidwe a 0.15–3 mm. Chonde perekani miyeso yanu yofunikira ndi njira yogwiritsira ntchito popanga kuti gulu lathu litsimikizire zomwe zilipo.

14. Ndi chidziwitso chiti chomwe chikufunika kuti mupeze mtengo wa PLA pepala zakuthupi ?

Chonde perekani makulidwe, m'lifupi, kuchuluka kwa oda komwe mukufuna, malo ogwiritsira ntchito, zida zotenthetsera kutentha ndi dziko lomwe mukufuna kupita. Ngati pakufunika kuyika manyowa m'mafakitale kapena kutsatira malamulo okhudzana ndi kukhudzana ndi chakudya, chonde tchulaninso miyezo yoyenera ndi zofunikira zolembera.

Zikalata Zapamwamba ndi Zolemba

HSQY Plastic Group imapereka zikalata za malonda ndi kampani za zinthu zake zapulasitiki pepala zakuthupi ndi zinthu zopakira. Ogula amatha kukambirana zaukadaulo ndi zofunikira zotsatirira malamulo pa ntchito zawo.

Pa mapulojekiti opaka chakudya a PLA, chonde tsimikizirani zikalata zoyenera zokhudzana ndi chakudya, malipoti oyesa kusamuka ndi ziphaso zovomerezeka za mtundu wa zinthu zomwe zilipo. Ziphaso zaubwino wa kampani ziyenera kusiyanitsidwa ndi ziphaso zovomerezeka zokhudzana ndi kutsata malamulo azinthu zomwe zilipo.

Kupanga ndi Kulongedza

Ziwonetsero za HSQY Padziko Lonse

HSQY Plastic Group imachita nawo ziwonetsero zapadziko lonse lapansi kuti ilankhulane ndi opanga ma phukusi, ogulitsa ndi ogula ochokera m'misika yosiyanasiyana. Zochitikazi zimapereka mwayi wokambirana za zipangizo za pulasitiki pepala zakuthupi , momwe ma phukusi amagwiritsidwira ntchito komanso zofunikira pakupereka zinthu zomwe zasinthidwa.

Zokhudza HSQY Plastic Group

Changzhou Huisu Qinye Plastic Group Co., Ltd. (HSQY PLAST) ili ndi zaka zoposa 20 zogwira ntchito popanga ndi kupereka pulasitiki pepala zakuthupi , mafilimu ndi zipangizo zina zapulasitiki. Timapereka mayankho azinthu zopangira ma CD ndi mafakitale ena ofanana, potumikira makasitomala ku Spain, Italy, Germany, America, India ndi misika ina yapadziko lonse lapansi.

Mitundu ya zinthu za HSQY ikuphatikizapo PVC pepala zakuthupi s, PET pepala zakuthupi s, APET pepala zakuthupi s, PETG pepala zakuthupi s, GAG pepala zakuthupi s, PLA pepala zakuthupi s ndi zipangizo zina zomangira pulasitiki. Gulu lathu limagwira ntchito ndi ogula akunja kuti akambirane za zinthu zomwe zilipo, zofunikira zomwe zasinthidwa, komanso mapulojekiti operekera zinthu zambiri.

Ngati mukufuna PLA plastic pepala zakuthupi s kuti mupake chakudya, funsani HSQY kuti akuuzeni makulidwe, m'lifupi, momwe mungagwiritsire ntchito komanso kuchuluka kwa zomwe mukufuna kugula. Gulu lathu lingakuthandizeni ndi zambiri za malonda ndi makonzedwe a mtengo.

           Lumikizanani ndi HSQY kuti mupeze mtengo wa PLA Sheet