Kuyini Izinto ze-PP ?
I-Polypropylene (PP), eyaziwa nangokuthi i-polypropene, iyi-polymer ye-thermoplastic esetshenziswa ezinhlobonhlobo zezicelo okuhlanganisa ukupakisha nokulebula, izindwangu (isb., izintambo, izingubo zangaphansi ezishisayo kanye namakhaphethi)
Iyaguquguquka futhi iqinile, ikakhulukazi uma i-copolymerized nge-ethylene.
Lokhu kuhlanganiswa kwe-copolymer kuvumela le pulasitiki ukuthi isetshenziswe njengepulasitiki yobunjiniyela etholakala emikhiqizweni eminingi ehlukene kanye nokusetshenziswa kwayo. Izinga lokugeleza liyisilinganiso sesisindo sama-molecule futhi lokhu kunquma ukuthi izogeleza kalula kangakanani ngesikhathi sokucubungula. Ezinye zezimpawu ezibaluleke kakhulu ze-polypropylene yilezi: Ukumelana Namakhemikhali: Izisekelo nama-asidi axutshwe awasabela kalula nge-polypropylene, okwenza kube ukukhetha okuhle kwezitsha zalolo ketshezi, njengezinto zokuhlanza, imikhiqizo yosizo lokuqala, nokuningi.
Kusho ukuthini i-GSM?
Imelela ubukhulu besikhwama. Ngokuvamile kunzima ngathi ukusebenzisa amasentimitha achaza ubukhulu besikhwama, kodwa kulula kakhulu ukuthi siqonde ngesisindo sesikhwama. Futhi i-GSM okusho ukuthi igremu yesikhwama ngemitha yesikwele saziwa yithi. I-GSM evamile esiyisebenzisela isikhwama esilukiwe se-pp isukela ku-42 gsm kuya ku-120 gsm. Idijithali inkulu, ubukhulu bukhulu. Ungakhetha ubukhulu ngokusekelwe ezidingweni zakho. Isibonelo, ivolumu yezinto inkulu futhi isisindo asisindi, ungakhetha i-GSM engeyona enkulu kangako futhi intengo ishibhile. Kodwa uma ukhetha ukulayisha izinto ezinomthamo omncane kodwa isisindo esinzima, kudingeka i-GSM enkulu.
Kungani Amasaka Alukiwe e-Pp enokuqina nokuqina okuhlukile?
Ukuqina kanye namandla konke kusekelwe ekuqineni kwesikhwama esilukiwe se-pp. Ukuqina kungachazwa njengokudonsa amandla uma usinweba phezulu. Iyunithi yokucindezela ingu-“N”, enkulu kune-N, inamandla kunesikhwama. Ngakho-ke uma uthemba i-N yesikhwama, singakukhombisa nomphumela wokuhlolwa.
Kuyini ukuphrinta kwe-offset kanye nokuphrinta ngombala?
Ukuphrinta kwe-offset kuyindlela elula yokuphrinta ilogo yakho, ngaphambi kokuba senze i-offset, sizokwenza isikhunta selogo yakho bese sinamathisela isikhunta ebhakedeni eligoqa umbala. Izinzuzo zokuphrinta kwe-offset ukuthi, kulula ukuyisebenzisa, kushibhile ukwenza amasampula, izinkinga: imibala ayikwazi ukuba ngaphezu kwe-4 futhi umbala awukhanyi njengokuphrinta kombala. Kodwa ukuphrinta kombala kungaba okuningi ngendlela ofisa ngayo. Kusebenzisa i-opp laminated ukumboza ubuso besikhwama esilukiwe se-pp, ukuze imibala ibe nezimo kakhulu, umphumela wombala muhle kakhulu. Kunzima ukwenza ukuphrinta kwesampula, futhi imali yokubumba ibiza kakhulu kunokuphrinta kwe-offset.
Kungani isikhwama esilukiwe se-pp esinamathelisiwe singangeni manzi?
Uma isikhwama esilukiwe se-pp sifakwe i-laminate, okusho ukuthi ubuso besikhwama se-pp bunepulasitiki encane kakhulu ye-oppo. I-oppo ayingenwa manzi. Vele, singabeka isikhwama se-Pe liner ezikhwameni ze-pp, futhi singangenwa manzi.