Chikwama cha Double Fold Bottom ndi thumba lothira madzi lokhala ndi mpope. Kapangidwe kake kamapangidwa ndi zinthu zosiyanasiyana. Chikwama chakunja chimapangidwa ndi zinthu zopangidwa ndi PE/nayiloni/aluminium foil. Chikwama chamkati cha chitsanzo chothandizira chimapangidwa ndi thumba lamkati ndi thumba lakunja, kusinthasintha ndi makulidwe a thumba lamkati kumakulitsidwa, ndipo kapangidwe kake ndi kosavuta komanso koyenera. Mtundu wina wa thumba lamkati nthawi zambiri ndi thumba losawoneka bwino lolongedza, lomwe limakhala ndi zigawo ziwiri za zinthu zosaphatikizika mbali imodzi. Chikwama chakunja ndi filimu yophatikizika, ndipo chikwama chamkati ndi chikwama chimodzi cha PE. Chikwama chakunja chophatikizika nthawi zambiri chimakhala PET/AL/PE, NY/EVOH/PE, PET/VMPET/PE, ndi zina zotero.
Mtundu uwu wa phukusi umagwiritsidwa ntchito kwambiri ku Europe ndi North America. Umagwiritsidwa ntchito kwambiri posungira madzi a zipatso, vinyo wofiira, mankhwala amadzimadzi, ndipo tsopano umagwiritsidwanso ntchito m'matumba osungira madzi amchere. Uli ndi mawonekedwe otseka bwino, pompopu imatha kuletsa mpweya kuti usabwerere m'thumba, ndipo zipangizo zina zimathanso kusiyanitsa kuipitsidwa kwa chilengedwe, komwe kuli ndi ubwino wina pakusungidwa. Ponena za mtengo wake, ndi wopindulitsa pang'ono.
Chikwama cha Double Fold Bottom chomwe chimathandiza chokha mbali zisanu ndi zitatu chili ndi zabwino zambiri. Potengera zomwe zili pamwambapa, chimatha kuyimirira chokha popanda kudalira katoni. Sikuti chimangosunga malo okha, komanso chimatha kuwonetsa bwino zinthu.
Chivundikiro cha batani lapamwamba chingagwiritsidwe ntchito ngati cholowetsa jakisoni. Chingatsekedwe mutadzaza. Gwiritsani ntchito pompopu yapansi kuti mutulutse madzi omwe ali mkati mwa thumba mosavuta. Ndikosavuta kugwiritsa ntchito pamisonkhano yabanja komanso panja.
Kapangidwe ka chogwirira n'kosavuta kunyamula.
Pansi pake popindika kuti pakhale poyima mosavuta
Mapangidwe ena
Ngati muli ndi zofunikira zambiri komanso mapangidwe, mutha kulumikizana nafe