Ha e le lithapo le likhoele tse nang le matla a tlase, li arotsoe haholo ka mekhahlelo e 'meli ho latela morero oa tsona: lithapo tsa kaho le lithapo tsa lisebelisoa tsa motlakase. Ka terata ea kaho, e ne e le terata ea tlhaho e kentsoeng ka rabara e lohiloeng ka sekontiri ho tloha lilemong tsa bo-1960. Ho tloha lilemong tsa bo-1970, e nkeloe sebaka ka ho feletseng ke lithapo tsa polasetiki tsa PVC. Boemo ba mehala ea lisebelisoa tsa motlakase bo tšoana le ba mehala ea kaho, eo qalong e neng e laoloa ke rabara ea tlhaho, empa boholo ba eona e ile ea nkeloa sebaka ke likhoele tsa PVC lilemong tsa bo-1970. Boemo bona ha bo lumellane le saense ebile ha bo utloahale ho latela indasteri ea lithapo le khetho ea basebelisi. Matsatsing ana, lithapo tse fapaneng tsa thepa ea motlakase, haholo-holo lithapo tse hokelang tse hlokahalang bakeng sa lisebelisoa tsa ntlo tse ntseng li eketseha, li lokela ho fetola maemo a hajoale a ho laoloa ke polasetiki ea PVC ebe li nkela lithapo tsa rabara sebakeng sa tsona. Kaha lithapo tsa rabara li na le melemo e ikhethang e kang bonolo, matsoho a matle, ho se tšabe mocheso, 'me ha li qhibilihe, li ke ke tsa bapisoa le lithapo tsa polasetiki. Ka lebaka la melemo e mengata eo rabara ea maiketsetso e se nang eona, CPE e ka sebelisoa haholo ha ho etsoa lithapo tsa motlakase tsa malapa le lithapo tse ling tse tenyetsehang bakeng sa lisebelisoa tsa motlakase. CPE e na le thepa e felletseng ea tekheniki, joalo ka ho lieha ha lelakabe le ho hanyetsa oli e ngata, thepa ea 'mele le ea mochini (ke hore, thepa ea mochini), ho hanyetsa mocheso o motle, ho hanyetsa ozone, ho hanyetsa boemo ba leholimo, thepa e ntle ea motlakase, le ts'ebetso e ntle ea ts'ebetso. E ka sebelisoa ka lisebelisoa tse akaretsang tsa ho lokisa rabara, 'me thepa ea rabara ha e chesehe habonolo. Lisebelisoa tse tala tsa CPE li ke ke tsa senyeha ka mor'a lilemo tse 'maloa tsa polokelo, lisebelisoa tsa Rubber tse nang le li-vulcanizing agents li ka bolokoa lilemo tse 1-2 ntle le ho senyeha tlas'a maemo a ntlafetseng a polokelo.
Ka bokhutšoanyane, ts'ebeliso ea CPE indastering ea li-cable tsa marang-rang, ke hore, ho nkela CR sebaka ka CPE, ke mokhoa oa indasteri ea marang-rang ea marang-rang. Sena ha se fokotse feela khanyetsano ea tlhokahalo ea phepelo ea CR, e fokotsa haholo litšenyehelo tsa lihlahisoa tsa cable, e ntlafatsa melemo ea moruo ea indasteri ea li-cable, empa hape e na le bohlokoa bo boholo ho ntlafatseng boemo ba lihlahisoa tsa cable le ho fihlela mefuta e fapaneng ea mefuta-futa.
Nako ea poso: Nov-06-2023