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Mapepala a polyethylene amagwiritsidwa ntchito m'mafakitale ambiri.
Mapepala a polyethylene izi zimachitika chifukwa chakuti maunyolo a mamolekyu nthawi zina amatseka makristalo awo a photocrystals, ndikusiya dera lalikulu lopanda mawonekedwe mu biomolecule, ma polyethylene plates amatha kuyamwa mphamvu zambiri za kinetic. Malinga ndi zomwe zanenedwa, njira ya ASTM-D256 imagwiritsidwa ntchito kudziwa momwe pulasitiki imakhudzira...Werengani zambiri -
Kugwiritsa ntchito bolodi lolimba la polyethylene
Kukhazikitsa mwachangu, kuchepetsa ndalama zogwirira ntchito. Kumapereka kulumikizana mwachangu komanso kotetezeka. Kungagwiritsidwe ntchito kwa nthawi yayitali ndikusunga ndalama. Malo okhazikika, ogwiritsidwanso ntchito. Ma polythene pavers ndi njira yabwino kwakanthawi yopezera msewu ndipo angagwiritsidwe ntchito kwambiri pa ntchito iliyonse. Bolodi la polyethylene paving...Werengani zambiri -
Fakitale yopanga bolodi la polyethylene yokhala ndi boron
Bolodi ya boron-polyethylene ndi makulidwe a 2cm-30cm. Gawo lake laukadaulo ndi kugwiritsa ntchito ukadaulo wa nyukiliya poteteza ma radiation a ionizing. Bolodi ya boron-polyethylene imagwiritsidwa ntchito poteteza ma neutrons othamanga a neutron radiation field, neutron ndi Y mixed radiation field m'munda wa ma radiation a ionizing...Werengani zambiri -
Kusiyana kwa bolodi la PE ndi bolodi la PP
1. Kusiyana kwa momwe amagwiritsidwira ntchito. Mulingo wogwiritsira ntchito mbale za PE: umagwiritsidwa ntchito kwambiri m'makampani opanga mankhwala, makina, makampani opanga mankhwala, magetsi, zovala, ma CD, chakudya ndi ntchito zina. Umagwiritsidwa ntchito kwambiri poyendetsa gasi, kupereka madzi, zimbudzi, ulimi wothirira, migodi ya tinthu tating'onoting'ono tomwe timanyamula zinthu zolimba...Werengani zambiri -
Chidziwitso cha msika wa polypropylene sheet (pp sheet), zochitika zaposachedwa komanso chiyembekezo cha kukula mu 2027
Kafukufuku wa msika wapadziko lonse wa polypropylene sheet (PP sheet) akufotokoza mwachidule ziwerengero zamakono ndi zolosera zamtsogolo za msika uwu. Kafukufukuyu akuyang'ana kwambiri kuwunika mwatsatanetsatane kwa msika, ndikuwonetsa kukula kwa msika kutengera ndalama ndi kuchuluka kwake, kukula kwa msika, malingaliro a akatswiri, mfundo ndi...Werengani zambiri
