Filastik ba zai iya maye gurbin kayan ƙarfe ba, amma yawancin kaddarorin robobi sun zarce gami.Kuma aikace-aikacen filastik ya wuce adadin karfe, filastik za a iya cewa yana da alaƙa da rayuwarmu.Iyalin filastik na iya zama masu wadata da nau'ikan robobi guda shida, bari mu fahimce su.
1. PC kayan
PC yana da kyau bayyananne da kuma janar thermal kwanciyar hankali.Rashin hasara shi ne cewa ba ya jin dadi, musamman bayan lokacin amfani da shi, bayyanar ya zama "datti", kuma shi ma filastik injiniya ne, wato, plexiglass, irin su polymethyl methacrylate.polycarbonate, da dai sauransu.
PC wani abu ne da ake amfani da shi sosai, kamar akwatin wayar hannu, kwamfutar tafi-da-gidanka, da dai sauransu, musamman wajen kera kwalaben madara, kofunan sarari, da makamantansu.kwalabe na jarirai sun kasance masu jayayya a cikin 'yan shekarun nan saboda suna dauke da BPA.Residual bisphenol A a cikin PC, mafi girman zafin jiki, da ƙarin saki da sauri da sauri.Don haka, bai kamata a yi amfani da kwalabe na ruwa na PC ba don riƙe ruwan zafi.
2. PP abu
PP filastik shine crystallization isotactic kuma yana da kyakkyawan kwanciyar hankali na thermal, amma kayan yana da ƙarfi kuma yana da sauƙin karya, galibi kayan polypropylene.Akwatin abincin rana na microwave an yi shi da wannan kayan, wanda ke da juriya ga yawan zafin jiki na 130 ° C kuma yana da rashin gaskiya.Wannan shine kawai akwatin filastik da za'a iya sakawa a cikin tanda microwave kuma za'a iya sake amfani da shi bayan tsaftacewa a hankali.
Ya kamata a lura cewa, don wasu akwatunan abincin rana na microwave, jikin akwatin an yi shi da lambar 05 PP, amma an yi murfi na No. 06 PS (polystyrene).Ma'anar ma'anar PS shine matsakaici, amma ba shi da tsayayya ga yawan zafin jiki, don haka ba za a iya haɗa shi da jikin akwatin ba.Saka a cikin microwave.Don kasancewa a gefen aminci, cire murfin kafin sanya akwati a cikin microwave.
3. PVC abu
PVC, wanda kuma aka sani da PVC, shi ne polyvinyl chloride resin, wanda galibi ana amfani dashi don yin bayanan injiniya da samfuran filastik na rayuwar yau da kullun, irin su riguna, kayan gini, fina-finai na filastik, akwatunan filastik, da dai sauransu. Kyakkyawan filastik da ƙarancin farashi.Amma yana iya jure yanayin zafi sama da 81 ℃.
Abubuwan da ke da guba da cutarwa waɗanda samfuran filastik na wannan kayan ke da yuwuwar samarwa sun fito ne daga bangarori biyu, ɗayan shine monomolecular vinyl chloride wanda ba a cika shi da polymerized yayin aikin samarwa ba, ɗayan kuma shine abubuwa masu cutarwa a cikin filastik.Wadannan abubuwa guda biyu suna da sauƙi don haɓakawa lokacin da ake fuskantar babban zafin jiki da maiko.Bayan abubuwa masu guba sun shiga jikin mutum tare da abinci, yana da sauƙin haifar da ciwon daji.A halin yanzu, da wuya a yi amfani da kwantena na wannan kayan don shirya abinci.Haka kuma, kar a bari ya yi zafi.
4. PE abu
PE shine polyethylene.Fim ɗin cin abinci, fim ɗin filastik, da sauransu duk waɗannan kayan ne.Juriyar zafi ba ta da ƙarfi.Yawancin lokaci, ƙwararren filastik na PE zai sami yanayin narke mai zafi lokacin da zafin jiki ya wuce 110 ° C, yana barin wasu shirye-shiryen filastik waɗanda jikin ɗan adam ba zai iya rushewa ba.
Bugu da ƙari, lokacin da abinci ya yi zafi ta hanyar nannade filastik, man da ke cikin abincin zai iya narkar da abubuwa masu cutarwa a cikin filastik.Sabili da haka, lokacin da aka sanya abinci a cikin tanda na lantarki, dole ne a cire murfin filastik da aka nannade da farko.
5. PET kayan
PET, wato, polyethylene terephthalate, kwalabe na ruwa na ma'adinai da kwalabe na abin sha duk an yi su da wannan kayan.Ba za a iya sake sarrafa kwalabe na abin sha don riƙe ruwan zafi ba.Wannan kayan yana jure zafi zuwa 70°C kuma ya dace da abin sha mai dumi ko daskararre kawai.Yana da sauƙi a samu nakasu idan an cika shi da ruwa mai zafi ko zafi, kuma akwai abubuwan da ke cutar da jikin ɗan adam.
6. PMMA abu
PMMA, wato, polymethyl methacrylate, wanda kuma aka sani da acrylic, acrylic ko plexiglass, ana kiransa compressive Force a Taiwan, kuma ana kiransa agaric glue a Hong Kong.Yana da babban nuna gaskiya, ƙarancin farashi, da injina mai sauƙi.da sauran fa'idodi, kayan maye gurbin gilashin da aka saba amfani da shi.Amma juriyar zafinsa ba mai girma ba ne, mara guba.Ana amfani da shi sosai a cikin masana'antar samar da tambarin talla.
