Fim ɗin shimfiɗa, wanda kuma aka sani da fim mai shimfiɗa da fim ɗin zafi, an fara samar da shi ne a China ta amfani da PVC a matsayin kayan tushe da DOA a matsayin mai filastik da tasirin m kai na fim ɗin shimfiɗar PVC. Saboda matsalolin muhalli, farashi mai yawa (dangane da PE, ƙasan marufi a kowace naúrar) da ƙarancin shimfiɗa, an cire fim ɗin shimfiɗar PE lokacin da aka fara samar da gida a cikin 1994-1995. Tushen kayan shine galibi LLDPE, gami da C4, C6, C8 da metallocene PE (MPE).
Fectures
Ana samar da shi ta amfani da guduro na LLDPE da aka shigo da shi da kuma tackifier na musamman abubuwan ƙari daidai gwargwado, kuma yana iya samar da fim ɗin iska mai yawa don hannu, nau'in juriya, injin nau'in riga-kafi, anti-UV, anti-static da anti-tsatsa. Yana da fa'idodi masu zuwa:
1. Yin amfani da kayan haɗin haɗin gwiwa biyu-Layer, fim ɗin da aka danna zai iya haɓaka halayen kowane nau'in polymer, bayyanannensa, ƙarfin ƙarfi, da juriya na perforation, ya kai matsayi mafi kyau a wurin narkewa.
2. Yana da kyawawan kaddarorin ƙwaƙƙwalwa, kyakkyawan nuna gaskiya, da kauri iri ɗaya.
3. Yana da tsayin tsayi, juriya mai kyau, juriya mai kyau a kwance, da kyakkyawan cinya mai ɗaure kai.
4. Yana da kayan da za'a iya sake amfani da shi na muhalli, maras ɗanɗano, ba mai guba ba, ana iya haɗa abinci kai tsaye.
5. na iya ƙera samfuran manne mai gefe guda ɗaya, rage ƙarar da aka bayar yayin aikin iska da shimfidawa, rage ƙura da yashi a cikin hanyar sufuri da adanawa.
Aikace-aikace
1. Rufe marufi
Irin wannan nau'in marufi yana kama da marufi na fim, inda aka naɗe fim ɗin a cikin pallet don naɗa shi duka, sa'an nan kuma masu ɗaukar zafi guda biyu suna zazzage fim ɗin a ƙarshen biyu tare. Wannan shine farkon nau'i na fim ɗin da aka yi amfani da shi kuma ya haifar da haɓaka wasu nau'ikan marufi da yawa.
2. Cikakken marufi mai faɗi
Irin wannan marufi yana buƙatar fim ɗin ya zama mai faɗi don rufe pallet, wanda ke da siffar yau da kullun, don haka ya dace don amfani da fim ɗin fim na 17 zuwa 35μm.
3.Marufi na hannu
Irin wannan marufi shine nau'in nau'in nau'in nau'in fim na nade mafi sauƙi, fim ɗin da aka ɗora a kan shiryayye ko ta hannun hannu, ta hanyar jujjuyawar pallet ko fim a kusa da pallet. Ana amfani da shi ne musamman a cikin sakewa na nade pallets bayan karya, da kuma marufi na yau da kullun. Irin wannan marufi yana jinkirin kuma nauyin fim ɗin da ya dace shine 15 zuwa 20 μm.
