Fim ɗin filastik a matsayin kayan bugawa, ana buga shi azaman jakar marufi, tare da haske da haske, juriya ga danshi da juriyar iskar oxygen, kyakkyawan matsewar iska, tauri da juriya na naɗewa, santsi mai laushi, zai iya kare samfurin, kuma yana iya sake haifar da siffar samfurin, launi da sauran fa'idodi. Tare da haɓaka masana'antar mai, ƙarin nau'ikan fim ɗin filastik, polyethylene fim ɗin filastik da ake amfani da su akai-akai (PE), polyvinyl chloride (PVC), polystyrene (PS), fim ɗin polyester (PET), polypropylene (PP), nailan (PA) da sauransu. Bugu da ƙari, akwai wasu nau'ikan fim ɗin filastik da yawa, ƙwararrun masana'antar shirya marufi masu sassauƙa Shunfa suna tunanin cewa ya zama dole a fahimci halayen fim ɗin filastik kafin jakunkunan marufi na musamman. An tsara halayen nau'ikan fim ɗin filastik 11 a ƙarƙashin jakar marufi don amfaninku.
1. Polyvinyl chloride (PVC)
Fa'idodin fim ɗin PVC da PET iri ɗaya ne, kuma iri ɗaya ne da halayen bayyananniya, iska mai ƙarfi, juriya ga acid da alkali. Jakunkunan abinci na farko da yawa an yi su ne da jakunkunan PVC. Duk da haka, PVC na iya fitar da abubuwan da ke haifar da cutar kansa saboda rashin cika polymerization na wasu monomers a cikin tsarin ƙera su, don haka bai dace da cike abubuwan da suka dace da abinci ba, kuma da yawa sun canza zuwa jakunkunan marufi na PET, suna nuna alamar kayan shine Lamba ta 3.
2. Polystyrene (PS)
Shakar ruwa na fim ɗin PS ba ta da yawa, amma daidaiton girmansa ya fi kyau, kuma ana iya sarrafa shi ta hanyar harbin mutu, matse mutu, fitar da shi da kuma samar da thermoforming. Gabaɗaya, an raba shi zuwa kumfa da cire kumfa nau'i biyu dangane da ko ya wuce tsarin kumfa. Ana amfani da PS mara kumfa galibi a cikin kayan gini, kayan wasa, kayan rubutu, da sauransu, kuma ana iya yin shi a cikin kwantena cike da kayan kiwo da aka girbe, da sauransu. A cikin 'yan shekarun nan, ana kuma amfani da shi sosai wajen yin kayan teburi da za a iya zubarwa, kuma alamar kayan ita ce lamba 6.
3. Polypropylene (PP)
Fim ɗin PP na yau da kullun yana ɗaukar ƙera busa, tsari mai sauƙi da ƙarancin farashi, amma aikin gani yana da ɗan ƙasa da CPP da BOPP. Babban fasalin PP shine juriyar zafin jiki mai yawa (kimanin -20 ° C ~ 120 ° C), kuma wurin narkewa yana da tsayi har zuwa 167 ° C, wanda ya dace da cike madarar waken soya, madarar shinkafa da sauran samfuran da ke buƙatar maganin tururi. Taurinsa ya fi PE girma, wanda ake amfani da shi don ƙera murfin kwantena, kuma alamar kayan ita ce Lamba ta 5. Gabaɗaya, PP yana da tauri mafi girma, kuma saman yana da sheƙi, kuma baya samar da ƙamshi mai zafi lokacin ƙonewa, yayin da PE yana da ƙamshin kyandir mai nauyi.
4. Fim ɗin Polyester (PET)
Fim ɗin Polyester (PET) filastik ne na injiniyan thermoplastic. Siraran fim ɗin da aka yi da kauri mai kauri ta hanyar hanyar fitarwa da shimfiɗawa ta hanyoyi biyu. Fim ɗin Polyester yana da kyawawan halaye na injiniya, ƙarfi mai yawa, tauri da tauri, juriyar hudawa, juriyar gogayya, juriyar zafi mai yawa da ƙarancin zafin jiki, juriyar sinadarai, juriyar mai, matsewar iska da kuma kiyaye ƙamshi mai kyau, yana ɗaya daga cikin abubuwan haɗin fim ɗin da ake amfani da su wajen jure wa iska, amma juriyar corona ba ta da kyau, farashin yana da yawa. Kauri na fim ɗin gabaɗaya shine 0.12mm, wanda aka fi amfani da shi azaman kayan waje na jakar marufi na abinci, kuma iya bugawa yana da kyau. Yi alama da alamar abu ta 1 a cikin samfurin filastik.
5. Nailan (PA)
Fim ɗin filastik na nailan (polyamide PA) a halin yanzu ana samar da shi a masana'antu na nau'ikan iri daban-daban, waɗanda manyan nau'ikan da ake amfani da su wajen samar da fim ɗin sune nailan 6, nailan 12, nailan 66 da sauransu. Fim ɗin nailan fim ne mai tauri sosai, bayyananne, kuma yana da kyau. Ƙarfin tauri, ƙarfin tauri, juriyar zafi mai yawa da ƙarancin zafi, juriyar mai, juriyar sinadarai na halitta, juriyar lalacewa da juriyar huda suna da kyau sosai, kuma fim ɗin yana da laushi kaɗan, juriyar iskar oxygen mai kyau, amma shingen tururin ruwa ba shi da kyau, shaƙar danshi, ƙarfin danshi yana da girma, kuma rufe zafi ba shi da kyau. Ya dace da marufi kayan tauri, kamar abinci mai mai, abinci soyayye, marufi na injin, dafa abinci, da sauransu.
6. Polyethylene mai yawan yawa (HDPE)
Ana kiran fim ɗin HDPE geomembrane ko fim mai hana ruwa shiga. Wurin narkewarsa yana da kusan 110℃-130℃, kuma yawansa shine 0.918-0.965kg/cm3. Babban resin thermoplastic ne mai ƙarfi, ba mai polar ba, asalin bayyanar HDPE fari ne mai madara, a cikin ƙaramin yanki na wani matakin haske. Yana da kyakkyawan juriya ga yanayin zafi mai girma da ƙasa da juriyar tasiri, koda a yanayin zafi mai ƙasa -40F. Tsarin sinadaransa, tauri, ƙarfin injina, ƙarfin tsagewa suna da kyau, kuma tare da ƙaruwar yawansa, halayen injiniya, halayen shinge, ƙarfin tauri da juriyar zafi za a inganta su daidai gwargwado, zai iya tsayayya da acid, alkali, sinadarai masu narkewa da sauran tsatsa. Ganowa: galibi ba ya bayyana, yana jin kamar kakin zuma, goge jakar filastik ko gogewa lokacin da yake yin tsatsa.
7. Polyethylene mai ƙarancin yawa (LDPE)
Yawan fim ɗin LDPE yana da ƙasa, laushi, juriya ga yanayin zafi kaɗan, juriyar sinadarai yana da kyau, a cikin yanayi na yau da kullun acid (banda acid mai ƙarfi), alkali, tsatsa mai gishiri, tare da ingantaccen rufin lantarki. Ana amfani da LDPE galibi a cikin jakunkunan filastik, alamar alama ce ta abu ita ce No. 4, kuma ana amfani da samfuransa galibi a fannin injiniyan farar hula da filayen noma, kamar geomemofilm, fim ɗin noma (fim ɗin shed, fim ɗin mulch, fim ɗin ajiya, da sauransu). Ganowa: Jakar filastik da aka yi da LDPE tana da laushi, ba ta da tsatsa lokacin ƙullawa, fim ɗin filastik na waje yana da laushi kuma yana da sauƙin yagewa LDPE, kuma fim ɗin PVC ko PP ya fi karyewa da tauri.
8. Barasa Mai Yawa (PVA)
Fim ɗin haɗakar shinge mai ƙarfi na Polyvinyl barasa (PVA) fim ne mai ƙarfin shinge wanda aka samar ta hanyar shafa ruwan polyvinyl barasa mai narkewa cikin ruwa a kan abin da aka yi da filastik ɗin polyethylene. Saboda babban fim ɗin haɗakar shinge na polyvinyl barasa yana da kyawawan halayen shinge kuma yana cika buƙatun kariyar muhalli, damar kasuwa ta wannan kayan marufi yana da haske sosai, kuma akwai fa'ida mai faɗi a kasuwa a masana'antar abinci.
9. Fim ɗin Polypropylene na Zane (CPP)
Fim ɗin polypropylene na Siminti (CPP) wani nau'in fim ne mai faɗi wanda ba a iya shimfiɗawa ba, wanda ba a mayar da hankali a kai wanda aka samar ta hanyar sanyaya simintin narkewa. Yana da saurin samarwa, yawan amfanin ƙasa mai yawa, bayyananniya a fim, sheƙi, haƙƙin shinge, laushi, daidaiton kauri yana da kyau, yana iya jure wa girkin zafi mai zafi (zafin girki sama da 120 ° C) da kuma rufe zafi mai ƙarancin zafi (zafin rufe zafi ƙasa da 125 ° C), daidaiton aiki yana da kyau sosai. Aikin bibiya kamar bugawa, haɗakarwa yana da dacewa, ana amfani da shi sosai a cikin yadi, abinci, marufi na yau da kullun, yin substrate na ciki na marufi mai haɗawa, yana iya tsawaita rayuwar shiryayye na abinci, ƙara kyau.
10. Fim ɗin polypropylene mai sassa biyu (BOPP)
Fim ɗin polypropylene na Biaxial (BOPP) wani abu ne mai sassauƙa mai haske wanda aka ƙera a shekarun 1960, wanda shine layin samarwa na musamman don haɗa kayan polypropylene da ƙari mai aiki, narkewa da haɗawa, yin zanen gado, sannan yin fim ta hanyar shimfiɗawa. Wannan fim ɗin ba wai kawai yana da fa'idodin ƙarancin yawa ba, juriyar tsatsa da juriyar zafi na resin PP na asali, har ma yana da kyawawan kaddarorin gani, ƙarfin injina mai yawa, tushen albarkatun ƙasa mai kyau, kyawawan kaddarorin bugawa, kuma ana iya haɗa shi da takarda, PET da sauran substrates. Tare da babban ma'ana da sheƙi, kyakkyawan sha tawada da mannewa na shafi, ƙarfin tensile mai yawa, kyawawan halayen shingen mai, ƙarancin halayen lantarki.
11. Fim ɗin ƙarfe
Fim ɗin ƙarfe yana da halaye na fim ɗin filastik da ƙarfe. Matsayin da aka yi amfani da shi wajen yin fenti a saman fim ɗin shine toshe haske da hana hasken ultraviolet, wanda ke tsawaita rayuwar abubuwan da ke ciki da kuma inganta hasken fim ɗin, yana maye gurbin foil ɗin aluminum zuwa wani matsayi, kuma yana da kyawawan halaye masu kyau, masu araha da kuma kyawawan halaye na shinge. Saboda haka, ana amfani da fim ɗin ƙarfe sosai a cikin marufi mai haɗawa, galibi ana amfani da shi a cikin biskit da sauran marufi na abinci busasshe, marufi na magani da kayan kwalliya.
Lokacin Saƙo: Yuli-19-2023