Bayanin Ci gaban Masana'antar Fina-Finai ta Stretch
Fim ɗin shimfiɗa, wanda kuma aka sani da marufi na pallet. Shi ne na farko a kasar Sin don samar da PVC shimfiɗa fim tare da PVC a matsayin tushe abu da DOA a matsayin plasticizer da kai m aiki. Saboda kare muhalli al'amurran da suka shafi, high kudin (dangi ga PE, in mun gwada da kananan naúrar marufi yankin), matalauta stretchability da sauran dalilai, PE stretch fim da aka sannu a hankali shafe lokacin da gida samar da PE stretch fim da aka fara a 1994-1995. Fim ɗin shimfiɗar PE da farko yana amfani da EVA azaman kayan haɗin kai, amma farashin sa yana da girma da ɗanɗano. Daga baya, ana amfani da PIB da VLDPE azaman abu mai ɗaure kai. Kayan tushe yanzu yafi LLDPE, gami da C4, C6, C8 da metallocene PE. (MPE). Yanzu yankin arewacin kasar Sin yana wakiltar fim din "TOPEVER" wanda kamfanin Shandong Topever Group ya shirya, wanda ya samu tagomashin abokan hulda daga kasashe da dama.
Fim ɗin shimfiɗar LLDPE na farko an fi busa fim ɗin, daga Layer ɗaya zuwa Layer biyu da Layer uku; yanzu LLDPE shimfidar fim an fi samar da shi ta hanyar simintin gyare-gyare, saboda samar da layin simintin yana da fa'idodin kauri iri-iri da kuma nuna gaskiya. Ana iya amfani da shi ga bukatun babban rabo pre-mikewa. Tun da simintin simintin gyare-gyare guda ɗaya ba zai iya cimma manne mai gefe ɗaya ba, filin aikace-aikacen yana iyakance. Simintin simintin gyare-gyare guda ɗaya da Layer biyu ba su kai faɗin simintin simintin Layer uku ba dangane da zaɓin kayan, kuma farashin ƙira kuma yana da yawa, don haka tsarin haɗin gwiwa na Layer uku ya fi dacewa. Fim ɗin shimfiɗa mai inganci ya kamata ya kasance yana da halaye na nuna gaskiya, tsayin tsayin tsayi, babban ma'aunin yawan amfanin ƙasa, ƙarfin tsagewar hawaye, da kyakkyawan aikin huda.
Rarraba Fim ɗin Stretch
A halin yanzu, fina-finai masu shimfiɗa a kasuwa sun kasu kashi biyu: fina-finai masu shimfiɗa hannu da fina-finai na na'ura bisa ga amfani daban-daban. Girman fim ɗin shimfiɗa don hannu shine gabaɗaya 15μ-20μ, kuma kauri na fim ɗin shimfiɗa don injin shine 20μ-30μ, sai dai lokuta na musamman. Dangane da hanyar marufi, za a iya raba marufi mai shimfiɗa fim ɗin zuwa marufi na mikewa na hannu, marufi mai daskarewa, da marufi na riga-kafi. Classified da abu, stretch fim za a iya raba polyethylene stretch film, polyvinyl chloride stretch film, ethylene-vinyl acetate stretch film, da dai sauransu A halin yanzu, da mikewa fina-finan da ake amfani da taro samar da duk dogara ne a kan mikakke polyethylene, da kuma polyethylene mikewa fina-finan da. zama na al'ada na mikewa fina-finai. Dangane da tsarin fim ɗin, za a iya raba fim ɗin shimfidawa zuwa fim ɗin shimfidar wuri guda ɗaya da kuma fim ɗin shimfiɗa mai yawa. Gabaɗaya, gefe ɗaya ne kawai yake m, don haka galibi ana kiran shi fim ɗin shimfiɗa mai ɗaki mai gefe guda. Tare da haɓaka kayan aikin samar da fina-finai da fasaha, abubuwan da ake amfani da su na fina-finai masu shimfiɗaɗɗen nau'i-nau'i masu yawa, waɗanda suke da kyau don inganta ingancin samfurin da rage farashin samfurin, sun zama sananne. A halin yanzu, fina-finai da aka shimfiɗa tare da tsarin layi ɗaya sun ragu a hankali. Dangane da hanyoyin gyare-gyare da sarrafa abubuwa daban-daban, za a iya raba fim ɗin shimfiɗa zuwa fim ɗin shimfiɗa mai busa da fim mai shimfiɗa, kuma fim ɗin shimfiɗar shimfiɗa yana da kyakkyawan aiki. Rarraba ta aikace-aikace, za a iya raba fim mai shimfiɗa zuwa fim mai shimfiɗa don marufi na samfuran masana'antu (kamar fim ɗin shimfiɗa don marufi na kayan gida, injiniyoyi, sinadarai, kayan gini, da sauransu), fim ɗin shimfiɗa don marufi na noma, da shimfiɗa fim don marufi na gida. .
Stretch Film Raw Material
Babban kayan da aka fi amfani da shi na shimfidar fim ɗin shine LLDPE, kuma ƙimar da ke tattare da shi shine 7042. Saboda bukatun musamman na fim ɗin, 7042N, 1018HA, 1002YB, 218N da 3518CB kuma ana iya amfani da su.
Amfanin Fim ɗin Stretch
A matsayin wani yanki mai mahimmanci na jigilar kaya, fim mai shimfiɗa yana taka rawar gyara kaya. Ana amfani dashi sosai a cikin takarda, dabaru, masana'antar sinadarai, albarkatun filastik, kayan gini, abinci, gilashi, da sauransu; a harkokin kasuwancin waje, yin takarda, kayan aiki, sinadarai na robobi, kayan gini, Abinci, magunguna da sauran fannonin su ma suna da hannu a ciki. Ana iya cewa duk inda aka yi jigilar abubuwa a sararin samaniya, akwai kasancewar fim ɗin mu mai shimfiɗa.
Kayayyakin Samar da Fina-Finan Stretch
Dangane da injina, a halin yanzu kayan aikin samar da fina-finai na cikin gida an raba su zuwa layin da aka shigo da su da layin samarwa na cikin gida. Layukan samarwa da ake shigo da su galibi daga Italiya, Amurka, da Jamus; Layukan samar da kayayyaki na cikin gida sun taru a Jiangsu, Zhejiang, Hebei, da Guangdong. Kuma masana'antar kera injuna ta Changlongxing sananne ne a kasar Sin. Yanzu haka kungiyar Shandong Topever ta bullo da wasu layukan da ake shigo da su daga kasashen waje don yin hadin gwiwa da sama da layukan samar da kayayyaki na cikin gida guda goma don tura kayayyaki. Bisa ga shekaru da yawa na fahimtar masana'antu, ƙarfin samar da kayan aiki ya bambanta a wurare daban-daban. Saurin samar da layin samar da gida shine 80-150 m / min. A cikin 'yan shekarun nan, kayan aiki mai sauri na gida na 200-300 m / min yana cikin bincike da ci gaba; yayin da aka ƙara saurin samar da layin da aka shigo da shi zuwa 300-400 m / min, 500 m / min Layin mai sauri ya fito. Shirye-shiryen simintin gyare-gyare na fim ɗin ya bambanta da farashi saboda nau'i daban-daban da kuma saurin samarwa. A halin yanzu, na'ura mai shimfiɗa fim na 0.5m na gida don amfani da hannu shine 70,000-80,000 / yanki, kuma na'urar yin amfani da na'ura mai shimfiɗa fim shine 90,000-100,000 / yanki; Zaren mita 1 shine 200,000-250,000 / yanki; Layin mita 2.0 yana tsakanin 800,000 da miliyan 1.5 / yanki.
Lokacin aikawa: Fabrairu-03-2023