Abangane abacophelelayo bazothola ukuthi amabhodlela epulasitiki amaningi azoba nezinombolo kanye namaphethini alula kuwo, ngakho-ke lezi zinombolo zimelelani?
“01″: Kungcono ukuyilahla ngemva kokuphuza, ukumelana nokushisa kufika ku-70°C.Okuvame ukusetshenziswa eziphuzweni ezisemabhodleleni ezifana namanzi amaminerali kanye neziphuzo ze-carbonated.Ayikwazi ukugcwaliswa ngamanzi ashisayo futhi ifaneleka kuphela iziphuzo ezifudumele noma eziqandisiwe.Uketshezi olunezinga lokushisa eliphezulu noma ukufudumeza kungakhubaza kalula futhi kuncibilikise izinto eziyingozi emzimbeni womuntu.
“02″: Akunconywa ukuthi kusetshenziswe njengesiqukathi samanzi, futhi ukumelana nokushisa kungu-110°C.Ivame ukutholakala ezitsheni zepulasitiki ezinemikhiqizo yokuhlanza, imikhiqizo yokugeza, noma izikhwama zepulasitiki ezivame ukusetshenziswa ezitolo ezinkulu.Iyakwazi ukumelana nezinga lokushisa eliphezulu elingu-110°C, futhi ingasetshenziswa ukubamba ukudla uma imakwe ukudla.
“03″: ayikwazi ukushisisa, ukumelana nokushisa okungu-81 ℃.Okujwayelekile kuma-raincoat namafilimu epulasitiki.Imikhiqizo yepulasitiki yale nto ijwayele ukukhiqiza izinto ezimbili ezinobuthi neziyingozi, enye i-monomolecular vinyl chloride engenziwanga i-polymerized ngokugcwele ngesikhathi sokukhiqiza, kanti enye yizinto eziyingozi ku-plasticizer.Lezi zinto ezimbili kulula ukuba zibe nemvula lapho zihlangabezana nezinga lokushisa eliphezulu namafutha, futhi uma zingena ngephutha emzimbeni womuntu, zingadala umdlavuza.Ngakho-ke, akuvamile ukusetshenziselwa ukukhiqiza inkomishi.Uma uthenga inkomishi yepulasitiki yale nto, sicela ungayivumeli ukuthi ishise.
“04″: Ngaphezu kuka-110°C, kuzoba nesenzakalo sokuncibilika okushisayo.Ikwazi ukumelana nokushisa, 110°C.Ngokuvamile esetshenziselwa ukupakishwa kwefilimu yokudla kanye nefilimu yepulasitiki, ukumelana nokushisa akunamandla.Lapho izinga lokushisa lidlula i-110 ℃, ukugoqa kwepulasitiki okufanelekile kuzovela kuncibilika kushisa, kushiye amanye amalungiselelo epulasitiki angakwazi ukubola umzimba womuntu.Uma isongwe ngaphandle kokudla futhi ifudunyezwa ngesikhathi esifanayo, amafutha asekudleni maningi amathuba okuthi ancibilikise izinto eziyingozi ekugoqweni kwepulasitiki.
Isikhathi sokuthumela: Aug-12-2022