Ha e le lithapo le likhoele tse nang le motlakase o tlase, li arotsoe haholo-holo ka mekhahlelo e 'meli ho latela morero oa tsona: lithapo tsa kaho le lithapo tsa lisebelisoa tsa motlakase. Tereng ea kaho, e ne e le terata ea tlhaho e koahetsoeng ka asphalt e lohiloeng ka rabara ea tlhaho ho tloha lilemong tsa bo-1960. Ho tloha lilemong tsa bo-1970, e nketsoe sebaka ka ho feletseng ke lithapo tsa polasetiki tsa PVC. Boemo meleng ea lisebelisoa tsa motlakase bo tšoana le ba meleng ea kaho, eo qalong e neng e laoloa ke rabara ea tlhaho, empa haholo-holo e ile ea nkeloa sebaka ke likhoele tsa PVC lilemong tsa bo-1970. Boemo bona ha bo lumellane le saense ebile ha bo utloahale mabapi le indasteri ea likhoele le likhetho tsa basebelisi. Matsatsing ana, likhoele tse fapaneng tsa lisebelisoa tsa motlakase, haholo-holo likhoele tse hokahanyang tse hlokahalang bakeng sa lisebelisoa tsa ntlo tse ntseng li hola, li lokela ho fetola boemo ba hona joale ba ho laoloa ke polasetiki ea PVC le ho li nkela sebaka ka likhoele tsa rabara. Hobane likhoele tsa rabara li na le melemo e ikhethang joalo ka bonolo, ho ikutloa hantle ha letsoho, ho se tšabe mocheso, le ho se qhibilihe, ha li bapisoe le likhoele tsa polasetiki. Ka lebaka la melemo ea eona e mengata eo rabara ea maiketsetso e se nang eona, CPE e ka sebelisoa haholo tlhahisong ea likhoele tsa motlakase tsa ntlo le likhoele tse ling tse tenyetsehang bakeng sa lisebelisoa tsa motlakase. CPE e na le litšobotsi tse felletseng tsa botekgeniki, tse kang ho lieha ha malakabe ho hoholo le ho hanyetsa oli haholo, litšobotsi tsa 'mele le tsa mechini (ke hore, litšobotsi tsa mechini), ho hanyetsa ho tsofala ha mocheso hantle, ho hanyetsa ozone, ho hanyetsa tlelaemete, litšobotsi tse ntle tsa motlakase, le ts'ebetso e ntle ea ts'ebetso. E ka sebelisoa lisebelisoa tsa ho sebetsana le rabara ka kakaretso, 'me thepa ea rabara ha e chese habonolo. Lisebelisoa tse tala tsa CPE li ke ke tsa senyeha kamora lilemo tse 'maloa tsa polokelo, Lisebelisoa tsa rabara tse nang le metsoako ea vulcanizing li ka bolokoa lilemo tse 1-2 ntle le ho senyeha tlas'a maemo a betere a polokelo.
Ka bokhutšoanyane, ts'ebeliso ea CPE indastering ea lithapo tsa inthanete, ke hore, ho nkela CR sebaka ka CPE, ke mokhoa indastering ea lithapo tsa inthanete. Sena ha se felise feela khanyetsano ea phepelo le tlhoko ea CR, se fokotsa haholo litšenyehelo tsa lihlahisoa tsa lithapo, se ntlafatsa melemo ea moruo ea indasteri ea lithapo, empa hape se na le bohlokoa bo boholo ho ntlafatseng maemo a lihlahisoa tsa lithapo le ho fihlela mefuta e fapaneng ea lithapo.
Nako ea poso: Pulungoana-06-2023
