Tare da ci gaban fasaha da haɓakar wasanni na waje.tebur na nadawa filastiksannu a hankali sun shigo gaban mutane.Ya sami tagomashin mutane saboda ƙaramin ƙararsa, nauyi mai nauyi da dacewa da amfani bayan nadawa.Teburin nadawa yana kunshe da panel da firam.A yau zan gabatar da kayan aikin tebur na nadawa.
Polyethylene mai girma (HDPE), farin foda ko samfurin granular.Ba mai guba ba, marar ɗanɗano, crystallinity na 80% zuwa 90%, wurin laushi na 125 zuwa 135 ° C, zafin sabis har zuwa 100 ° C;
taurin, juriya ƙarfi da creep sun fi ƙananan yawa polyethylene;
sa juriya, lantarki Kyakkyawan rufi, tauri da juriya sanyi;
kyakkyawan kwanciyar hankali na sinadarai, wanda ba zai iya narkewa a cikin kowane nau'in kaushi na halitta a cikin dakin da zafin jiki, lalata resistant zuwa acid, alkalis da daban-daban salts;
fim din yana da ƙananan haɓaka zuwa tururi da iska, da shayar ruwa Low;
matalauta tsufa juriya, muhalli danniya fatattaka juriya ba shi da kyau a matsayin low-yawa polyethylene, musamman thermal hadawan abu da iskar shaka zai rage ta yi,
don haka dole ne a ƙara antioxidants da ultraviolet absorbers a cikin guduro don inganta wannan rashi.
Fim ɗin polyethylene mai girma yana da ƙananan zafin jiki na murdiya a ƙarƙashin damuwa, don haka ya kamata a kula da shi lokacin amfani da shi.
A cikin wannan karni, an sami ci gaba na juyin juya hali a fannin bututun mai, wato, "maye gurbin karfe da filastik".Tare da saurin ci gaba na kimiyya da fasaha na kayan polymer, zurfafawar haɓakawa da yin amfani da bututun filastik, da ci gaba da haɓaka fasahar samarwa, bututun filastik sun nuna cikakken aikin su.
A yau, ba a yin kuskuren bututun filastik don "masu arha" don bututun ƙarfe.A cikin wannan juyin juya halin, ana fifita bututun polyethylene kuma suna ƙara haskakawa.Ana amfani da su sosai a cikin watsa iskar gas, samar da ruwa, zubar da ruwa, ban ruwa, ban ruwa mai kyau, sufuri mai ƙarfi a cikin ma'adinai, da filayen mai, sinadarai, gidan waya da sadarwa, da sauransu, musamman a fannonin kamar An yi amfani da su sosai a cikin ma'adanai. iskar gas.
Lokacin aikawa: Fabrairu-17-2023