Matumba ophikira mapepala a kraft opangidwa ndi pepala lathunthu la matabwa. Chifukwa chake mtunduwo umagawidwa m'mapepala oyera a kraft ndi zilembo zachikasu papepala la kraft.

Filimu ya PP ingagwiritsidwe ntchito papepala kuti itetezedwe ku madzi. Kuyika, kusindikiza ndi kuphatikiza matumba. Njira zotsegulira ndi zophimba kumbuyo zimagawidwa m'njira ziwiri: kutseka kutentha, kukulunga mapepala ndi m'mphepete.

Ponena za thumba loyamba logulira mapepala a kraft, linabadwa mu 1908 ku St. Paul, Minnesota, USA. Mwini sitolo ina ya zakudya, Wald Duvena, wayamba kufunafuna njira zololeza ogula kugula zinthu zambiri nthawi imodzi kuti awonjezere malonda. Duvina amakhulupirira kuti liyenera kukhala thumba lopangidwa kale lomwe ndi lotsika mtengo komanso losavuta kugwiritsa ntchito, ndipo limatha kulemera makilogalamu pafupifupi 75.

Pambuyo poyesa mobwerezabwereza, anatseka kapangidwe ka thumba ili pa pepala la kraft chifukwa linapangidwa kuchokera ku mitengo ya conifer yokhala ndi ulusi wautali wamatabwa, ndipo linachiritsidwa ndi mankhwala ofewa a caustic soda ndi alkali sulfide panthawi yophika, zomwe zimapangitsa kuti mphamvu yoyambirira ya ulusi wamatabwa isawonongeke kwambiri, kotero pepala lomaliza lopangidwa limalumikizidwa bwino ndi ulusi, ndipo pepalalo ndi lolimba ndipo limatha kupirira kupsinjika kwakukulu komanso kupsinjika popanda kusweka.

Patatha zaka zinayi, thumba loyamba la mapepala lopangidwa ndi kraft logulira zinthu linabadwa. Pansi pake ndi pakona ndipo lili ndi voliyumu yayikulu kuposa matumba a mapepala achikhalidwe okhala ndi V-pansi. Chingwe chimadutsa pansi ndi m'mbali mwake kuti chiwonjezere mphamvu yake yonyamula katundu, ndipo ma lock awiri okoka amapangidwa kumapeto kwa thumba la pepala kuti likhale losavuta kunyamula. Duvena adatcha thumba loguliralo dzina lake ndipo adalipatsa patent mu 1915. Pakadali pano, kuchuluka kwa malonda pachaka kwa matumba ogulira otere kwapitirira 100 miliyoni.

Guangdong Chuangxin Packing Group ndiye mtsogoleri wa makampani opanga zinthu ndi ma paketi apamwamba omwe ali ndi kafukufuku ndi chitukuko, kupanga, ndi kugulitsa. Pali zizindikiro zamalonda monga Yinuo, zhonglan, Huanyuan, T.ronson,Crratrusrtndi ma patent opitilira 30. Kuyambira pomwe idakhazikitsidwa mu 2008, cholinga cha makampani ndi "kupangitsa dziko lapansi kukhala lochezeka komanso logwirizana" komanso lodzipereka kukhala mtsogoleri wapadziko lonse lapansi pakukonza zinthu zachilengedwe - mabizinesi 500 apamwamba padziko lonse lapansi.