Makapu a mapepala akhala gawo lofunika kwambiri pa moyo wathu watsiku ndi tsiku ndipo amagwiritsidwa ntchito kwambiri padziko lonse lapansi. Makapu a mapepala amatha kuwoneka kulikonse, kaya ndi m'makampani ophikira chakudya kapena m'malo okhala monga makampani kapena mabanja.
Zinthu zazikulu zomwe zimagwiritsidwa ntchito popanga makapu a mapepala ndi pepala lokhala ndi PE. PE imayimira polyethylene, polima ya thermoplastic yomwe imapatsa chikhocho gawo losalowa madzi. Gawoli limaonetsetsa kuti chikhocho chikhale cholimba komanso chosalowa madzi, zomwe zimakupatsani mwayi wosangalala ndi chakumwa chanu popanda nkhawa.
GSM (kapena magalamu pa mita imodzi ya sikweya) ndi muyeso womwe umagwiritsidwa ntchito kudziwa kulemera ndi makulidwe a pepala. GSM ikakhala yayikulu, pepalalo limakhala lolimba komanso lolimba. Pa makapu a pepala, GSM yomwe ili pakati pa 170 ndi 350 imagwiritsidwa ntchito nthawi zambiri. Zosonkhanitsazi zimatsimikizira kuti makapuwo ndi ofanana bwino pakati pa kulimba ndi kusinthasintha, zomwe zimapangitsa kuti zikhale zosavuta kugwira ndikuletsa kutuluka kulikonse.
Koma n’chifukwa chiyani GSM range ili yofunika pa makapu a mapepala? Cholinga chachikulu ndikuonetsetsa kuti chikhocho chingathe kusunga kulemera kwa chakumwacho osati kusokonekera kapena kugwa chifukwa cha chinyezi. GSM yapamwamba imapatsa chikhocho mphamvu ndi kulimba kofunikira, kuonetsetsa kuti chikhocho chikhoza kusunga madzi otentha popanda vuto. Kumbali ina, GSM yotsika ingapangitse chikhocho kukhala chofooka kwambiri komanso chosavuta kutuluka madzi.
Njira yophikira mapepala akuluakulu a PE imagwiritsidwa ntchito popanga makapu a mapepala. Njirayi imaphatikizapo kupaka pepalalo ndi polyethylene kuti liwonjezere mphamvu zake zosalowa madzi komanso zotetezera kutentha. Chophimba cha PE chimaletsa chinyezi kulowa mu pepalalo ndipo chimasunga kutentha koyenera kwa zakumwa, zomwe zimapangitsa kuti zikhale zotentha kapena zozizira kwa nthawi yayitali.
Ndikofunikira kwambiri kuti chophimba cha PE chigwiritsidwe ntchito mofanana pamwamba pa pepala. Izi zimatsimikizira kuti chikhocho sichingatuluke ndipo sichingatayike. Kukhuthala kwa chophimba cha PE nthawi zambiri kumakhala ma microns 10 mpaka 20, kutengera mtundu ndi ntchito ya chikhocho. Pepala lophimbidwa ndi PE nthawi zambiri limatchedwa "pepala lophimbidwa ndi PE limodzi" kapena "pepala lophimbidwa ndi PE la mbali ziwiri", kutengera komwe chophimbacho chagwiritsidwa ntchito.
Kuwonjezera pa GSM ndi PE covering, zinthu zina zimakhudzanso ubwino ndi ntchito yonse ya makapu a mapepala. Ubwino wa zipangizo zopangira makapu a mapepala, njira yopangira, ndi kapangidwe ka fan ya makapu a mapepala ndi zofunika kwambiri. PaperJoy wakhala akupanga mpukutu wa pepala wokutidwa ndi PE, fani ya chikho cha pepala ndi zinthu zina zopangira makapu a pepala kwa zaka 17, ndipo amapereka zitsanzo zaulere kuti muzitha kuwona bwino zotsatira za chinthucho.
Nthawi yotumizira: Sep-09-2023
