Bambanci mafi mahimmanci tsakanin filastik da roba shine nakasar filastik shine nakasar filastik, yayin da roba shine nakasar roba.A wasu kalmomi, filastik ba shi da sauƙi don dawo da yanayinsa na asali bayan nakasa, yayin da roba ya fi sauƙi.Nauyin filastik yana da ƙanƙanta, yawanci ƙasa da 100%, yayin da roba zai iya kaiwa 1000% ko fiye.Yawancin aikin gyare-gyaren filastik an kammala kuma an kammala aikin samfurin, yayin da aikin gyaran roba yana buƙatar tsarin vulcanization.
Filastik da roba duk kayan aikin polymer ne, wanda galibi ya ƙunshi carbon da hydrogen atom, wasu kuma suna ɗauke da ɗan ƙaramin iskar oxygen, nitrogen, chlorine, silicon, fluorine, sulfur da sauran atom.Suna da kaddarori na musamman da amfani na musamman.Filastik a zazzabi na ɗaki Yana da ƙarfi, mai wuyar gaske, kuma ba zai iya shimfiɗawa da gurɓatacce.Robar ba ta da ƙarfi, mai ƙarfi, kuma ana iya shimfiɗa ta ya zama tsayi.Ana iya mayar da shi zuwa ga asali idan ya daina mikewa.Wannan yana faruwa ne ta hanyar tsarin kwayoyin halittarsu daban-daban.Wani bambanci kuma shi ne, ana iya sake sarrafa Filastik kuma a sake amfani da shi sau da yawa, yayin da ba za a iya sake yin amfani da roba kai tsaye ba.Za a iya sarrafa shi a cikin robar da aka dawo da shi kafin a yi amfani da shi.Siffar filastik sama da digiri 100 zuwa 200 da siffar roba a digiri 60 zuwa 100.Hakazalika, filastik ba ya haɗa da roba.
Yadda za a bambanta filastik daga filastik?
Ta fuskar tabawa, roba yana da taushi, jin dadi da kuma lallausan tabawa, kuma yana da wani nau’i na elasticity, yayin da robobin ba shi da karfin gaske kuma yana da wani ma’auni na tsauri saboda yana da wuya kuma ya fi karye.
Daga madaidaicin matsi na damuwa, filastik yana nuna mafi girman ma'aunin matashi a matakin farko na tashin hankali.Ƙunƙarar ƙwayar cuta tana da tsayi mai tsayi, sa'an nan kuma yawan amfanin ƙasa, elongation da karaya suna faruwa;roba yawanci yana da ƙaramin matakin nakasawa.Wani matsi na zahiri yana tashi, sannan ya shiga matakin tashin hankali a hankali, har sai da lankwalin damuwa ya nuna yankin tashin hankali lokacin da zai karye.
Daga ra'ayi na thermodynamic, filastik yana ƙasa da zafin canjin gilashin kayan abu a cikin kewayon zafin amfani, yayin da roba ke aiki a cikin yanayi mai ƙarfi sosai sama da yanayin canjin gilashin sa.
Lokacin aikawa: Dec-31-2021