Pepala lokutidwa ndi PE: chinsinsi cha makapu a pepala osatuluka

M'moyo wathu watsiku ndi tsiku, makapu a mapepala akhala chinthu chofala. Kaya ndi shopu ya khofi, nyumba yogulitsira tiyi kapena phwando la banja, tonsefe timagwiritsa ntchito makapu a mapepala. Komabe, kodi munayamba mwadzifunsapo chifukwa chake makapu a mapepala awa akutsimikizika kuti sadzatuluka? Zonsezi zimachitika chifukwa cha kapu ya pepala yofunika kwambiri - pepala lophimbidwa ndi PE.

Mpukutu wa pepala wokutidwa ndi PE ndi pepala lokonzedwa lomwe limakutidwa ndi filimu ya polyethylene papepala loyambira. Ntchito ya filimuyi ndikuwonjezera mphamvu ya chikho cha pepala kuti chisalowe madzi, komanso kulimbitsa kukana kutentha ndi mphamvu ya chikho cha pepala. Ndiye, kodi pepala lokutidwa ndi PE limaonetsetsa bwanji kuti chikho cha pepalacho sichikutuluka madzi?

Choyamba, kusankha zinthu zomwe pepala lokhala ndi PE ndilofunika kwambiri pa ntchito yake yosalowa madzi. Filimu ya polyethylene ndi utomoni wopangidwa ndi maselo ambiri, womwe umagwira ntchito bwino kwambiri yosalowa madzi ndipo umatha kuletsa chinyezi kulowa mkati mwa chikho cha pepala. Nthawi yomweyo, pepala lokhala ndi PE lakonzedwanso mwapadera kuti liphatikize bwino filimuyo ndi pepalalo, motero kupewa kulowa kwa madzi.

Kachiwiri, ukadaulo wokonza mapepala okhala ndi PE umagwiranso ntchito yofunika kwambiri pakugwira ntchito kwake kosalowa madzi. Pakupanga, makina opaka mafuta amathira mofanana filimu yosungunuka ya polyethylene papepala loyambira kudzera mu mpweya wothamanga kwambiri. Njira yopangirayi imapanga mgwirizano wolimba pakati pa filimuyo ndi pepala, motero kuonetsetsa kuti chikho cha pepalacho sichilowa madzi.

Pomaliza, kuti zitsimikizidwe kuti makapu a mapepala salowa madzi, kuyang'aniridwa ndi kulamulidwa kokhwima kumafunika panthawi yokonza mafani a makapu a mapepala. Mwachitsanzo, m'mphepete mwa makapu a mapepala muyenera kudula bwino ndikusenda kuti zitsimikizire kuti zatsekedwa bwino. Nthawi yomweyo, ubwino wa makapu a mapepala uyenera kufufuzidwa mwachisawawa panthawi yopanga kuti zitsimikizire kuti zikukwaniritsa miyezo yabwino monga kukana madzi, kukana kutentha, ndi mphamvu.

Kudzera mu mawonekedwe ake apadera a zinthu komanso njira yake yophikira yaukadaulo, pepala lokhala ndi PE latsimikizira bwino ntchito ya chikho cha pepala kuti chisamalowe madzi. Kugwira ntchito kwake kosalowa madzi, kulimba kwake, chitetezo chake komanso kubwezeretsanso kwake kumapangitsa pepala lokhala ndi PE kukhala chisankho chabwino kwambiri chogwiritsidwa ntchito kwambiri popanga makapu a pepala.

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