Zamgulu Nkhani
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Kodi blowing molding ndi chiyani?Kodi mfundo ya kuumba nkhonya ndi chiyani?
Kuwomba akamawomba, komwe kumadziwikanso kuti hollow blowing, ndi njira yopangira pulasitiki yomwe ikukula mwachangu.Njira yopangira zida zankhondo Pankhondo yachiŵiri ya padziko lonse, mawilo opangidwa ndi mphepo ankagwiritsidwa ntchito popanga mbiya za polyethylene zosalimba kwambiri.Chakumapeto kwa zaka za m'ma 1950, ndi kubadwa kwa poly-density poly ...Werengani zambiri -
Kuwomba akamaumba zipangizo
Kunshan nkhonya akamaumba ndondomeko utenga umisiri zosiyanasiyana ndi zipangizo, makamaka kuphatikizapo zotsatirazi: Polyethylene (PE) Polyethylene ndi mitundu yopindulitsa kwambiri mu makampani mapulasitiki.Polyethylene ndi opaque kapena translucent, kuwala crystalline pulasitiki...Werengani zambiri -
Kodi pali kusiyana kotani pakati pa kuumba jakisoni wa nkhungu ndi kuumba nkhonya?
1. Njira yopangira jekeseni ndikuwomba kuwombera ndi yosiyana.Kuwomba ndi jekeseni + kuwomba;jekeseni akamaumba ndi jekeseni + kuthamanga;kuumba nkhonya kuyenera kukhala ndi mutu wosiyidwa ndi chitoliro chowuzira, ndipo jekeseni iyenera kukhala ndi Chipata cha 2. Nthawi zambiri...Werengani zambiri
