1. Ukuqonda iFilimu eyoluliweyo: Iingcamango eziphambili kunye nesishwankathelo seMarike
Ifilimu yokusonga (ekwaziwa ngokuba yi-stretch wrap) yifilimu yeplastiki ethambileyo esetyenziselwa ukuhlanganisa nokuqinisa imithwalo yepallet ngexesha lokugcina nokuthuthwa. Ngokwesiqhelo yenziwe ngezinto ze-polyethylene (PE) ezifana ne-LLDPE (Linear Low-Density Polyethylene) kwaye yenziwe ngeenkqubo zokuphosa okanye zokuvuthela. Imarike yeefilimu ze-polyethylene zehlabathi yayixabisa i-$82.6 yezigidigidi ngo-2020 kwaye kulindeleke ukuba ifikelele kwi-$128.2 yezigidigidi ngo-2030, iifilimu zokusonga zibiza phantse isithathu kwisine sengeniso iyonke kwimarike yeefilimu ze-polyethylene. I-Asia-Pacific ilawula imarike phantse isiqingatha sesabelo sehlabathi kwaye kulindeleke ukuba ibhalise izinga eliphezulu lokukhula.
2. Iintlobo zeeFilimu zoKolula: Izixhobo kunye nothelekiso loMveliso
2.1 Ifilimu yoKolula Izandla
Zenzelwe ukusetyenziswa ngesandla, iifilimu zokolula ngesandla zihlala ziqala kwi-15-30 microns ubukhulu. Zinomthamo wokolula ophantsi (150%-250%) kodwa zineempawu zokubambelela eziphezulu ukuze kube lula ukuzisebenzisa ngesandla. Ezi zilungele izinto ezimile ngendlela engaqhelekanga kunye nemisebenzi ephantsi.
2.2 Ifilimu yoKolula umatshini
Iifilimu zokunwebeka koomatshini zenzelwe ukusetyenziswa kwezixhobo ezizenzekelayo. Ngokwesiqhelo ziqala kwii-microns ezingama-30-80 ubukhulu kwimithwalo enzima. Iifilimu zoomatshini zinokuhlulwahlulwa zibe ziifilimu zokunwebeka ngamandla (ukumelana nokubhoboza okuphezulu) kunye neefilimu zangaphambi kokunwebeka (umthamo wokunwebeka ongama-300% nangaphezulu).
2.3 Iifilimu zoLuhlu oluKhethekileyo
Iifilimu ezichasene ne-UV: Ziqulathe izongezo zokuthintela ukubola ngenxa yokukhanya kwelanga, zilungele ukugcinwa ngaphandle.
Iifilimu eziphefumlayo: Zinezimbobo ezincinci ukuze kuphume umswakama, zilungele imveliso entsha.
Iifilimu zemibala: Isetyenziselwa ukufaka ikhowudi, uphawu, okanye ukhuseleko lokukhanya.
| Ipropati | Ifilimu Yolula Isandla | Ifilimu yoKolula koMatshini | Ifilimu engaphambi kokwelula |
| Ubukhulu (ii-microns) | 15-30 | 30-80 | 15-25 |
| Umthamo Wokolula (%) | 150-250 | 250-500 | 200-300 |
| Ubungakanani obuphambili | Ii-intshi ezi-3 | Ii-intshi ezi-3 | Ii-intshi ezi-3 |
| Isantya sesicelo | Ngesandla | Imithwalo engama-20-40/iyure | Imithwalo engama-30-50/iyure |
3. Iinkcukacha zobuGcisa eziPhambili: Ukuqonda iiParamitha zokuSebenza
Ukuqonda iinkcukacha zobugcisa kuqinisekisa ukhetho olufanelekileyo lwefilimu eyoluliweyo:
Ubukhulu: Ilinganiswa ngee-microns (μm) okanye ii-mils, imisela amandla asisiseko kunye nokumelana nokubhoboza. Uluhlu oluqhelekileyo: 15-80μm.
Isantya sokuNweba: Ipesenti yefilimu enokolulwa ngaphambi kokuba isetyenziswe (150%-500%). Amanqanaba aphezulu okolulwa athetha ukugqunywa okungakumbi ngomqukumbelo ngamnye.
Tensile strength: Amandla afunekayo ukuze kuphulwe ifilimu, elinganiswa nge-MPa okanye i-psi. Ibalulekile kwimithwalo enzima.
Ukubambelela/Ukunamathela: Amandla efilimu okunamathela ngaphandle kwezinto zokuncamathelisa. Kubalulekile ukuze umthwalo uzinze.
Ukumelana nokubhoboza: Ubuchule bokumelana nokukrazuka kwiikona ezibukhali okanye emacaleni.
Ukugcinwa komthwalo: Amandla efilimu okugcina uxinzelelo kunye nokukhusela umthwalo ngokuhamba kwexesha.
4. Iimeko zokusetyenziswa: Apho kunye nendlela yokusebenzisa iiFilimu ezahlukeneyo zokolula
4.1 Uthutho kunye neNdawo yokugcina impahla
Iifilimu ezoluliweyo ziqinisekisa uzinzo lomthwalo weyunithi ngexesha lokuthuthwa nokugcinwa. Iifilimu ezisemgangathweni (20-25μm) zisebenza kwiimpahla ezininzi ezifakwe kwiibhokisi, ngelixa imithwalo enzima (izinto zokwakha, ulwelo) ifuna iiklasi eziphezulu (30-50μm+) ezinokumelana nokubhoboza okuphezulu.
4.2 Ishishini lokutya neziselo
Iifilimu ezoluliweyo ezikhuselekileyo ekutyeni zikhusela izinto ezibolayo ngexesha lokusasazwa. Iifilimu ezinomoya zivumela ukuhamba komoya kwimveliso entsha, ngelixa iifilimu ezicacileyo kakhulu zivumela ukuchongwa okulula komxholo.
4.3 Ukwenziwa kweMveliso kunye neMizi-mveliso
Iifilimu ezoluliweyo ezinzima (ukuya kuthi ga kwi-80μm) zikhusela iindawo zesinyithi, izinto zokwakha, kunye neempahla eziyingozi. Iifilimu ezimelana ne-UV zikhusela iimpahla ezigcinwe ngaphandle ekonakaleni yimozulu.
5. Isikhokelo sokukhetha: Ukukhetha ifilimu eyoluliweyo efanelekileyo kwiimfuno zakho
Sebenzisa le matrix yesigqibo ukuze ukhethe ifilimu eyoluliweyo efanelekileyo:
1.Iimpawu zoMthwalo:
Imithwalo ekhaphukhaphu (<500kg): iifilimu zesandla eziyi-17-20μm okanye iifilimu zomatshini eziyi-20-23μm.
Imithwalo ephakathi (500-1000kg): iifilimu zesandla ezingama-20-25μm okanye iifilimu zomatshini ezingama-23-30μm.
Imithwalo enzima (>1000kg): iifilimu zesandla ezingama-25-30μm okanye iifilimu zomatshini ezingama-30-50μm+ ngaphezulu.
2.Iimeko zoThutho:
Ukuhanjiswa kwasekhaya: Iifilimu eziqhelekileyo.
Iindlela ezikude/ezirhabaxa: Iifilimu ezisebenza kakuhle kakhulu ezinokugcina umthwalo kakuhle.
Indawo yokugcina yangaphandle: iifilimu ezingamelani ne-UV
3.Izinto Eziqwalaselwayo Kwizixhobo:
Ukusonga ngesandla: Iifilimu zesandla eziqhelekileyo.
Oomatshini abazenzekelayo: Iifilimu zoomatshini eziqhelekileyo.
Ii-automation ezikhawulezayo: Iifilimu ezisetyenziswa ngaphambi kokuba zolulwe.
Ifomula Yokubala Iindleko:
Ixabiso ngoMthwalo = (Ixabiso loMqulu weFilimu ÷ Ubude obupheleleyo) × (Ifilimu esetyenzisiweyo ngoMthwalo)
6. Izixhobo zokusetyenziswa: Izisombululo zesandla vs. ezenzekelayo
Isicelo esenziwe ngesandla:
Abasasazi befilimu ezoluliweyo abasisiseko babonelela ngokuphathwa kwe-ergonomic kunye nolawulo lokuxinana.
Indlela efanelekileyo: gcina uxinzelelo oluhambelanayo, ukudlula okungaphezulu nge-50%, qinisa isiphelo ngokufanelekileyo.
Iimpazamo eziqhelekileyo: ukolula kakhulu, ukugqobhoza okunganelanga, ukugquma okungafanelekanga phezulu/ezantsi.
Oomatshini Abazenzekela Ngokuzenzekelayo:
Izigqubuthelo ze-turntable zijikeleza umthwalo ngelixa zifaka ifilimu.
Iingenelo eziphambili: uxinzelelo oluqhubekayo, ukuncipha kwabasebenzi, imveliso ephezulu.
Ilungele imisebenzi ephakathi (imithwalo engama-20-40 ngeyure).
Iinkqubo eziZenzekelayo ngokupheleleyo:
Iirobhothi zokusonga iziko lokusasaza ezinomthamo omkhulu.
Fikelela imithwalo engaphezu kwama-40-60 ngeyure ngaphandle kokubandakanyeka kakhulu komqhubi.
Idla ngokudityaniswa neenkqubo zokuhambisa ukuze isebenze ngaphandle komthungo.
7. Imigangatho yoShishino kunye noVavanyo loMgangatho
II-ASTM D8314-20umgangatho unika izikhokelo zovavanyo lokusebenza kweefilimu zokunwebeka ezisetyenzisiweyo kunye nokusonga ukunwebeka. Uvavanyo oluphambili luquka:
Ukusebenza Kolula: Ilinganisa indlela ifilimu eziphatha ngayo xa iphantsi koxinzelelo ngexesha lokusetyenziswa.
Ukugcinwa komthwalo: Uvavanya indlela ifilimu egcina ngayo amandla ngokuhamba kwexesha.
Ukumelana nokubhoboza: Ichaza ukumelana nokukrazuka okuvela emacaleni abukhali.
Iipropati zokubambelela: Uvavanya iimpawu zokunamathela kwefilimu.
Iifilimu ezoluliweyo ezisemgangathweni nazo kufuneka zihambelane nemigangatho yesizwe efanelekileyo efana ne-BB/T 0024-2018 yaseTshayina yefilimu ezoluliweyo, echaza iimfuno zeempawu zoomatshini kunye nokumelana nokubhoboza.
8. Izinto eziqwalaselwayo kwiNdalo: Ukuzinza kunye nokuHlaziya
Izinto eziqwalaselwayo ngokusingqongileyo ziyayitshintsha imboni yeefilimu ezoluliweyo:
Iifilimu zomxholo eziphinde zasetyenziswa: Iqulethe izinto ezisetyenzisiweyo emva kokusetyenziswa kwemveliso okanye emva kokusetyenziswa kwemveliso (ukuya kuthi ga kwi-50% kwiimveliso zeprimiyamu).
Ukunciphisa Umthombo: Iifilimu ezincinci neziqinileyo (i-nanotechnology evumela iifilimu ze-15μm ezisebenza kakuhle ze-30μm) zinciphisa ukusetyenziswa kweplastiki nge-30-50%.
Imingeni yokuRisayikilisha: Izinto ezixutyiweyo kunye nongcoliseko ziyenza nzima inkqubo yokuphinda kusetyenziswe izinto.
Izixhobo ezizezinye: Iifilimu ze-PE ezisekelwe kwi-bio kunye neefilimu ezinokuthi zibe ngumgquba ziyaphuhliswa.
9. Iindlela Ezihamba Ngayo: Izinto Ezintsha Nezikhokelo ZeMarike (2025-2030)
Imakethi yeefilimu ze-polyethylene zehlabathi iya kufikelela kwi-$128.2 yeebhiliyoni ngo-2030, ibhalise i-CAGR ye-4.5% ukusuka ngo-2021 ukuya ku-2030. Iindlela eziphambili ziquka:
Iifilimu ezikrelekrele: Izinzwa ezidityanisiweyo zokulandelela ukuthembeka komthwalo, ubushushu, kunye noxinzelelo.
I-Nanotechnology: Iifilimu ezincinci neziqinileyo ngokusebenzisa ubunjineli beemolekyuli.
Ukuhlanganiswa kokuZenzekelayoIifilimu ezenzelwe ngokukodwa iindawo zokugcina izinto ezizenzekelayo ngokupheleleyo.
Uqoqosho olujikelezayo: Ukuphucula ukusebenziseka kwakhona kunye neenkqubo ezivaliweyo.
Icandelo lefilimu eyoluliweyo, elibize phantse isithathu kwisine semali engenayo kwimarike yeefilimu ze-polyethylene ngo-2020, kulindeleke ukuba likhule kwi-CAGR ekhawulezayo ye-4.6% ukuya kutsho ngo-2030.
Ixesha lokuthumela: Okthobha-20-2025
