Pepala lokutidwa ndi PE: chinsinsi cha makapu amapepala osatuluka

M'moyo wathu watsiku ndi tsiku, makapu a mapepala akhala chinthu wamba.Kaya ndi malo ogulitsira khofi, nyumba ya tiyi kapena kusonkhana kwa banja, tonse timagwiritsa ntchito makapu a mapepala.Komabe, kodi munayamba mwadzifunsapo kuti chifukwa chiyani makapu amapepala awa akutsimikiziridwa kuti asadutse?Zonsezi ndichifukwa cha kapu yofunikira ya pepala - pepala lokutidwa ndi PE.

PE yokutidwa ndi pepala rollndi pepala lopangidwa ndi pepala lopangidwa ndi filimu ya polyethylene pamapepala apansi.Ntchito ya wosanjikiza wa filimuyi ndi kupititsa patsogolo ntchito yamadzi a kapu ya pepala, komanso kupititsa patsogolo kutentha kwa kutentha ndi mphamvu ya chikho cha pepala.Ndiye, kodi pepala lokutidwa ndi PE limawonetsetsa bwanji kuti kapu ya pepalayo sitayikira?

Choyamba, kusankha kwazinthu za pepala lokutidwa ndi PE ndikofunikira kwambiri kuti zisalowe madzi.Filimu ya polyethylene ndi utomoni wopangidwa wokhala ndi mamolekyu olemera kwambiri, omwe amakhala ndi ntchito yabwino yosalowa madzi ndipo amatha kuteteza chinyezi kulowa mkati mwa kapu yamapepala.Panthawi imodzimodziyo, pepala lopangidwa ndi PE lakhala likugwiritsidwa ntchito mwapadera kuti likhale lophatikizana pakati pa filimuyo ndi pepala mwamphamvu kwambiri, motero kupewa kulowa kwa madzi.

Kachiwiri, ukadaulo wopangira pepala lokutidwa ndi PE umathandizanso kwambiri pakuchita kwake kosalowa madzi.Panthawi yopanga, makina opangira laminating amapopera filimu yosungunuka ya polyethylene pamapepala apansi kupyolera mu mpweya wothamanga kwambiri.Njira yopangira iyi imapanga mgwirizano wolimba pakati pa filimuyo ndi pepala, potero kuonetsetsa kuti chikho cha pepala chisalowe madzi.

Potsirizira pake, pofuna kuonetsetsa kuti makapu a mapepala ndi opanda madzi, kuyang'anitsitsa ndi kuwongolera kumafunika panthawi yokonza mafani a chikho cha pepala.Mwachitsanzo, m'mphepete mwa makapu a mapepala amafunikira kudulidwa ndendende ndikuyika pansi kuti atsindike bwino.Panthawi imodzimodziyo, khalidwe la makapu a mapepala liyenera kuyang'aniridwa mwachisawawa panthawi yopangira kuti zitsimikizire kuti zimakwaniritsa miyezo yapamwamba monga kukana madzi, kukana kutentha, ndi mphamvu.

Kupyolera mu mawonekedwe ake apadera azinthu ndi ndondomeko yokutira akatswiri, pepala lokutidwa ndi PE latsimikizira bwino ntchito ya kapu ya pepala.Kuchita kwake kosakhala ndi madzi, kulimba, chitetezo ndi kubwezeretsanso kumapangitsa pepala lokutidwa ndi PE kukhala chisankho choyenera kugwiritsidwa ntchito kwambiri popanga makapu a pepala.

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