Manufar farko na maganin sharar fakitin filastik shine a sake sarrafa kwantena a matsayin albarkatu don kare ƙarancin albarkatu da kammala sake sarrafa kwantena.Daga cikin su, 28% na kwalabe na PET (polyethylene terephthalate) da ake amfani da su don abubuwan sha na carbonated ana iya sake yin amfani da su, kuma HD-PE (polyethylene mai girma) da HD-PE na kwalabe na madara kuma ana iya sake sarrafa su yadda ya kamata.Don sauƙaƙe sake yin amfani da nau'ikan samfuran filastik daban-daban bayan amfani, ya zama dole a ware nau'ikan samfuran filastik daban-daban.Saboda akwai tashoshi masu yawa da kuma hadaddun amfani da filastik, yana da wahala a iya bambanta wasu nau'ikan samfuran filastik bayan amfani kawai ta bayyanar.Sabili da haka, yana da kyau a yi alama nau'ikan kayan abu akan samfuran filastik.Menene amfani, fa'idodi da rashin amfanin lambobi daban-daban?Za a gabatar da abin da ke cikin tsarin gano filastik na SPI a ƙasa.
Sunan filastik - lambar da lambar gajarta daidai kamar haka:
Polyester - 01 PET(kwalban PET), kamarkwalban ruwan ma'adinaida kwalbar abin sha mai carbonated.Shawara: Kada a sake sarrafa ruwan zafi a cikin kwalabe na abin sha.
Amfani: Yana da juriya da zafi zuwa 70 ℃, kuma ya dace kawai don cika abubuwan sha masu dumi ko daskararre.Idan an cika shi da ruwa mai zafi ko mai zafi, yana da sauƙin lalacewa, kuma abubuwan da ke cutar da jikin ɗan adam za su narke.Bugu da ƙari, masana kimiyya sun gano cewa bayan amfani da watanni 10, filastik No. 1 na iya saki carcinogen DEHP, wanda yake da guba ga gwaje-gwaje.Don haka, idan aka yi amfani da kwalbar abin sha, a jefar da ita, kuma kada a yi amfani da ita a matsayin ƙoƙon ruwa ko ma'adanin ajiya don ɗaukar wasu abubuwa, don guje wa haifar da matsalolin lafiya.
Babban yawa polyethylene - 02 HDPE, kamarkayayyakin tsaftacewada kayayyakin wanka.Shawara: Ba a ba da shawarar sake yin fa'ida ba idan tsaftacewar bai cika ba.
Amfani: Ana iya sake amfani da shi bayan tsaftacewa a hankali, amma waɗannan kwantena yawanci ba su da sauƙin tsaftacewa.Abubuwan tsaftacewa na asali sun kasance kuma sun zama wurin zafi na ƙwayoyin cuta.Gara ba sake sarrafa su ba.
PVC - 03, kamar wasu kayan ado
Amfani: Wannan abu yana da sauƙi don samar da abubuwa masu cutarwa lokacin da yake zafi, har ma za a sake shi yayin aikin masana'antu.Bayan abubuwa masu guba sun shiga jikin mutum da abinci, suna iya haifar da cutar kansar nono, lahani na jarirai da sauran cututtuka.A halin yanzu, kwantena da aka yi da wannan kayan ba a cika amfani da su ba don ɗaukar abinci.Idan ana amfani da shi, kar a bar shi ya yi zafi.
Low yawa polyethylene - 04 LDPE, kamar fim ɗin adana sabo, fim ɗin filastik, da sauransu. Shawara: Kada a nannade filastik a saman abinci a cikin tanda na lantarki.
Amfani: Juriyar zafi ba ta da ƙarfi.Gabaɗaya, ƙwararren PE mai adana fim ɗin zai narke lokacin da zafin jiki ya wuce 110 ℃, yana barin wasu jami'an filastik waɗanda jikin ɗan adam ba zai iya bazuwa ba.Bugu da ƙari, idan an nannade abincin da filastik filastik don dumama, man da ke cikin abincin zai iya narkar da abubuwa masu cutarwa cikin sauƙi.Sabili da haka, lokacin da aka sanya abinci a cikin tanda microwave, fim ɗin da aka nannade ya kamata a fara cirewa.
Polypropylene - 05 PP(mai iya jure yanayin zafi sama da 100 ℃), kamarmicrowave tanda abincin rana akwatin.Shawara: Cire murfin lokacin sanya shi a cikin tanda microwave
Amfani: Akwatin filastik kawai wanda za'a iya sakawa a cikin tanda microwave za'a iya sake amfani dashi bayan tsaftacewa da kyau.Ya kamata a biya kulawa ta musamman ga wasu akwatunan abincin rana tanda na microwave.An yi jikin akwatin ne da lambar 5 PP, amma murfin akwatin an yi shi da lambar 1 PE.Tun da PE ba zai iya jure yanayin zafi ba, ba za a iya saka shi cikin tanda microwave tare da jikin akwatin ba.Don kasancewa a gefen aminci, cire murfin kafin sanya akwati a cikin tanda na microwave.
Polystyrene - 06 PS(Juriyawar zafi shine 60-70 ° C, abubuwan sha masu zafi za su haifar da guba, kuma za a saki styrene lokacin konewa) Misali: kwano cike da kwalaye na noodles, akwatunan abinci mai sauri.
Shawara: Kada a yi amfani da tanda na microwave don dafa kwano na noodles nan take: yana da juriya da zafi kuma yana jure sanyi, amma ba za a iya saka shi cikin tanda microwave ba don guje wa sakin sinadarai saboda yawan zafin jiki.Kuma ba za a iya amfani da shi wajen loda mai karfi da acid (kamar ruwan lemu) da kuma sinadarai masu karfi na alkaline ba, domin zai lalata polystyrene wanda ke da illa ga jikin dan adam kuma mai saukin kamuwa da cutar kansa.Don haka, ya kamata ku yi ƙoƙarin guje wa tattara abinci mai zafi a cikin akwatunan abinci mai sauri.
Sauran lambobin filastik - 07 Saurankamar: tulu, kofi, kwalbar madara
Shawara: Ana iya amfani da manne na PC idan yanayin sakin zafi bisphenol A: abu ne da ake amfani da shi sosai, musamman a cikin kwalabe na madara.Yana da cece-kuce saboda yana dauke da bisphenol A. Lin Hanhua, wani farfesa a sashen nazarin halittu da ilmin sinadarai na Jami'ar City ta Hong Kong, ya ce a bisa ka'ida, muddin BPA ta juye zuwa tsarin filastik 100% yayin aiwatar da aikin PC. , yana nufin cewa samfuran ba su da BPA, balle a sake su.Koyaya, idan ƙaramin adadin bisphenol A ba a canza shi zuwa tsarin filastik na PC ba, ana iya sake shi cikin abinci ko abin sha.Saboda haka, yana da mahimmanci a yi hankali yayin amfani da wannan kwandon filastik.
Lokacin aikawa: Dec-16-2022