An fara samar da fim ɗin shimfiɗawa, wanda aka fi sani da fim ɗin shimfiɗawa da fim ɗin rage zafi, a ƙasar Sin ta amfani da PVC a matsayin kayan tushe da kuma DOA a matsayin mai plasticizer da kuma tasirin mannewa na fim ɗin shimfiɗawa na PVC. Saboda matsalolin muhalli, tsadar kaya (idan aka kwatanta da PE, ƙarancin yankin marufi a kowace naúra) da rashin iya shimfiɗawa, an dakatar da fitar da fim ɗin shimfiɗawa na PE lokacin da aka fara samar da shi a cikin gida a 1994-1995. Kayan tushe galibi LLDPE ne, gami da C4, C6, C8 da metallocene PE (MPE).
Filayen
Ana samar da shi ta hanyar amfani da resin LLDPE da aka shigo da shi da kuma ƙarin kayan haɗin takifier na musamman, kuma yana iya samar da fim ɗin lanƙwasa mai aiki da yawa don hannu, injin nau'in juriya, injin nau'in shimfiɗawa, anti-UV, anti-static da anti-tsatsa. Yana da fa'idodi masu zuwa:
1. Ta amfani da kayan aikin haɗakarwa mai layuka biyu, fim ɗin lanƙwasa da aka matse zai iya haɓaka halayen kowane polymer, bayyananniya, ƙarfin tensile, da juriyar hudawa, har ya kai ga mafi kyawun yanayi a wurin narkewa.
2. Yana da kyawawan halaye na taurin kai, bayyanannen abu, da kuma kauri iri ɗaya.
3. Yana da tsayin tsayi, juriya mai kyau, juriya mai kyau ga tsagewa a kwance, da kuma kyakkyawan cinyar mannewa.
4. Abu ne mai sauƙin sake amfani da shi wanda ba shi da illa ga muhalli, ba shi da ɗanɗano, ba shi da guba, ana iya shirya shi kai tsaye a cikin abincin da aka shirya.
5. zai iya kera kayayyakin manne masu gefe ɗaya, rage hayaniya da ake fitarwa yayin naɗewa da shimfiɗawa, rage ƙura da yashi yayin jigilar kaya da adanawa.
Aikace-aikace
1. Marufi da aka rufe
Wannan nau'in marufi yana kama da marufi mai rage girman fim, inda ake naɗe fim ɗin a kan pallet don a naɗe shi duka, sannan sai marufi biyu masu riƙe zafi su rufe fim ɗin a ƙarshen biyu tare. Wannan shine nau'in fim ɗin da aka yi amfani da shi na farko kuma ya haifar da haɓaka nau'ikan marufi da yawa
2. Marufi mai faɗi cikakke
Wannan nau'in marufi yana buƙatar fim ɗin ya zama mai faɗi sosai don rufe pallet ɗin, wanda ke da siffar da ta dace, don haka ya dace da amfani da shi tare da kauri na fim ɗin 17 zuwa 35μm.
3. Marufi da hannu
Wannan nau'in marufi shine mafi sauƙin nau'in marufi na fim ɗin naɗewa, wanda aka ɗora a kan shiryayye ko kuma ta hanyar riƙe da hannu, ta hanyar juyawar pallet ko fim a kusa da pallet ɗin. Ana amfani da shi galibi wajen sake marufi na pallets da aka naɗe bayan ya karye, da kuma marufi na pallet na yau da kullun. Irin wannan marufi yana da jinkiri kuma kauri na fim ɗin da ya dace shine 15 zuwa 20 μm.
