Manonyeletso a Katoloso ea Konkreite e Kholo ka Litiiso tsa Polyurethane
Meaho ea konkreite e ntse e atoloha le ho honyela ka lebaka la ho feto-fetoha ha mocheso, liphetoho tsa mongobo, meroalo ea sephethephethe, le motsamao oa sebopeho. Ntle le manonyeletso a katoloso a entsoeng hantle, matlapa a konkreite a qetella a petsohile, a lumella ho kenella ha metsi, ho bola ha tšepe e matlafatsang, le ho senyeha ha sebopeho ho turang.
Sekoahelo sa polyurethane se sebetsang hantle bakeng sa manonyeletso a konkreite ke e 'ngoe ea litharollo tse sebetsang ka ho fetisisa bakeng sa ho sireletsa manonyeletso a katoloso ha ho ntse ho bolokoa ho tenyetseha tlas'a motsamao o matla.
Tataiso ena ea tekheniki e hlalosa sohle seo baenjiniere, borakonteraka, baabi le batsamaisi ba merero ba hlokang ho se tseba mabapi le ho khetha le ho sebelisa li-sealant tsa polyurethane bakeng sa manonyeletso a konkreite, ho kenyeletsoa mekhoa ea ho kenya, bokhoni ba ho sisinyeha, mekhoa ea ho lokisa, ho hloleha ho tloaelehileng, le mekhoa e metle ea tlhokomelo.
Hore na o koala litsela tse kholo, matlo a polokelo, likarache tsa ho paka makoloi, boema-fofane, mekato ea liindasteri, kapa mehaho ea khoebo, tataiso ena e tla u thusa ho fihlela manonyeletso a tšoarellang, a sa keneleng metsi a tšoarellang lilemo tse ngata.
Hobaneng ha Li-sealant tsa Polyurethane e le Tekanyetso ea Khauta bakeng sa Manonyeletso a Katoloso ea Konkreite
Maqhama a konkreite a hloka ho fetang feela ho tlatsa sekheo.
Sealant e tlameha ho:
• E lumella katoloso le ho fokotseha
• Hanela ho pepesehela mahlaseli a kotsi a UV
• Ho mamella sephethephethe se seholo
• Thibela ho kenella ha metsi
• Boloka ho tenyetseha ha mmele ka dilemo tse ngata
• Kopana ka matla le di-substrate tsa konkreite
Ha e bapisoa le li-sealant tse ngata tse tloaelehileng, polyurethane e fana ka tekano e ntle pakeng tsa ho tenyetseha, ho khomarela, ho hanyetsa ho khohlela le matla a mechini.
Melemo ea Bohlokoa
1. Bokhoni bo Ikhethang ba ho Tsamaea
Meaho ea konkreite ha e lule e sa sisinyehe.
Liphetoho tsa mocheso oa sehla li ka baka motsamao ho tloha ho limilimithara tse 'maloa ho isa ho lisentimitara.
Hangata li-sealant tsa polyurethane tsa litsebi li fana ka:
• Bokhoni ba ho sisinyeha ba ±25%
• Likereiti tsa boleng bo holimo li fihla ho ±35%
• Metswako e boima e fihlang ho ± 50%
Ho tenyetseha hona ho dumella sekontiri ho monya motsamao ntle le ho taboha kapa ho qhaqholla bond.
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2. Ho khomarela ka tsela e ikhethang ho Concrete
Ho fapana le di-sealant tse ding tse hlokang kalafo e matla ya bokahodimo, polyurethane e hokahana ka dikhemikhale le konkreite e lokisitsweng hantle.
Ho khomarela hantle ho thusa ho thibela:
• Ho phahamisa mathōko
• Ho falla ha metsi
• Ho hloleha ha ho khomarela
• Karohano ea manonyeletso
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3. Matla a Mekaniki a Phahameng ka ho Fetisisa
Manonyeletso a kaho a atisa ho ba le:
• Sephethephethe sa forklift
• Literaka tse boima
• Ho kenya thepa ka sefofaneng
• Sephethephethe sa ba tsamaeang ka maoto
• Ho thothomela ha mechini ea indasteri
Matla a ho thapolla a polyurethane le ho hanyetsa ho taboha ha eona li etsa hore e tšoanelehe haholo bakeng sa libaka tsena tse thata.
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4. Tšireletso e sa Keneng Metsing
Li-sealant tsa PU tse kentsoeng hantle li etsa mokoallo o sa keneng metsi o tsoelang pele o sireletsang:
• Tšepe e matlafatsang
• Metheo
• Likamore tse ka tlase
• Meaho ea ho paka makoloi
• Marokho
• Meaho ea indasteri
Ho thibela ho kenella ha mongobo ho atolosa haholo bophelo ba ts'ebeletso ea konkreite.
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5.Khanyetso e Hlollang ea Abrasion
Ha ho bapisoa le li-sealant tse ngata tsa silicone, polyurethane hangata e sebetsa hantle ha e ntse e tsofala ka mechini.
Sena se etsa hore e tšoanelehe haholo bakeng sa:
• Mabato a fektheri
• Li-dock tsa ho kenya thepa
• Litsela tsa ho matha boema-fofane
• Litsela tse kholo
• Litsi tsa thepa
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Likopo tse Tloaelehileng
Li-sealant tsa konkreite tsa polyurethane li sebelisoa haholo ho:
• Manonyeletso a katoloso ea fatše ea indasteri
• Maqhama a konkreite
• Maqhubu a katoloso ea litsela tse kholo
• Litekesi tsa boema-fofane
• Mabato a polokelo
• Likaraje tsa ho paka makoloi
• Mathule a borokho
• Mahlakore a tsela
• Libaka tsa ho hloekisa metsi
• Mapolanka a meaho ea khoebo
• Litsi tsa thepa
• Lithupelo tsa fektheri
Mokhoa oa ho Khetha Sealant se Nepahetseng sa Polyurethane
Hase sekontiri se seng le se seng sa polyurethane se loketseng morero o mong le o mong.
Khetho e lokela ho nahana ka lintlha tse 'maloa tsa boenjiniere.
1. Motsamao o Kopanetsoeng
Fumana motsamao o lebeletsoeng pele o khetha sealant.
Litlhahiso tse akaretsang:
| Mofuta oa Kopanelo | Bokhoni bo Khothaletsoang ba ho Tsamaea |
| Manonyeletso a ka hare a fatše | ± 25% |
| Litsela tsa kantle | ± 35% |
| Mafelo-fofane le marokho a koung | ± 50% |
2. Moroalo oa Sephethephethe
Bakeng sa lits'ebetso tse boima, ela pele:
• Matla a ho tsitlella a phahameng
• Ho thatafala ha High Shore A
• Ho hanyetsa ho khohlela hantle haholo
• Ho hanyetsa meokho ka matla
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3. Ho pepesehela Boemo ba Leholimo
Merero ea kantle e hloka khanyetso e ntle ho:
• Mahlaseli a UV
• Pula
• Methati ea ho hatsetsa le ho qhibilihisa
• Maemo a feteletseng a mocheso
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4. Lebelo la Pheko
Li-sealant tse folisang ka potlako li thusa ho khutsufatsa kemiso ea merero.
Litekanyetso tse tloaelehileng:
• Ho thehoa ha letlalo: Metsotso e 60–120
• Phekolo e felletseng: hoo e ka bang 3–4 mm ka lihora tse 24
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5. Tšebeliso e otlolohileng kapa e otlolohileng
Khetha:
Polyurethane e sa senyeheng
E loketse bakeng sa:
• Manonyeletso a otlolohileng
• Manonyeletso a lebota
• Lifatše tse ka pele
• Konkreite e entsoeng esale pele
Polyurethane e iketsang e lekana
E loketse bakeng sa:
• Maqhama a tsela a otlolohileng
• Mabato a indasteri
• Litsela
• Litsela tsa ho matha boema-fofane
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Tataiso ea Mohato ka Mohato: Ho Sebelisa Sealant ea Polyurethane ka Nepo
Ho kenya hantle ho etsa qeto ea ts'ebetso ea nako e telele ho feta sealant ka boeona.
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Mohato oa 1. Hlahloba Lenonyello
Pele ho kenngwa:
✔ Tlosa sekontiri sa khale
✔ Lokisa mathoko a manonyeletso a senyehileng
✔ Netefatsa litekanyo tsa manonyeletso
✔ Netefatsa botšepehi ba substrate
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Mohato oa 2. Tokiso ea Bokaholimo
Hloekisa libaka hantle.
Tlosa:
• Lerōle
• Ho kenya samente
• Oli
• Setlolo
• Likaroloana tse hlephileng
• Mongobo
Konkreite e lokela ho oma pele e sebelisoa.
Tokiso e mpe ea bokaholimo e ntse e le sesosa se seholo sa ho hloleha ha sealant.
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Mohato oa 3. Kenya Backer Rod
Lithupa tsa backer li fana ka mesebetsi e 'maloa ea bohlokoa:
• E laola botebo ba sealant
• E thibela ho khomarela mahlakore a mararo
• E fokotsa tšebeliso ea thepa
• E ntlafatsa ho tenyetseha ha manonyeletso
Karolelano e kgothaletswang ya bophara le botebo hangata ke 2:1.
Mohlala:
Bophara ba manonyeletso: 20 mm
Botebo ba sealentara: 10 mm
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Mohato oa 4. Sebelisa Primer (Haeba ho Hlokahala)
Konkreite e nang le masoba a mangata e ka hloka primer e lumellanang.
Primer e ntlafala:
• Ho khomarela
• Ho tšoarella nako e telele
• Ho hanyetsa mongobo
Latela dikgothaletso tsa moetsi kamehla.
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Mohato oa 5. Kenya Polyurethane Sealant
Ho sebelisa sethunya sa setsebi sa ho thiba:
• Kenya khatello e sa khaotseng
• Qoba lipokotho tsa moea
• Tlatsa lenonyello ka botlalo
• Thibela ho thehoa ha lesoba
Boloka lebelo le tsitsitseng la ts'ebeliso.
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Mohato oa 6. Sesebelisoa sa Sejo se Kopantsoeng
Hang-hang otlolla sealant.
Lisebelisoa tse nepahetseng:
• E ntlafatsa ponahalo
• E felisa moea o qabeletsoeng
• E ntlafatsa ho kopana ha substrate
• E hlahisa sebopeho sa manonyeletso se tšoanang
Sesebelisoa pele letlalo le qala ho thehoa.
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Mohato oa 7. Lumella Phekolo e Loketseng
Sireletsa manonyeletso a sa tsoa sebelisoa ho:
• Pula
• Lerōle
• Sephethephethe se seholo
• Tšusumetso ea mechini
Maemo a tloaelehileng a ho folisa:
Mocheso:5–35°C
Mongobo o Lekanyelitsoeng:40–70%
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Liphoso tse Tloaelehileng tsa ho Kenya—le Mokhoa oa ho li Qoba
Phoso ea 1: Ho Sebelisa Konkreite e Metsi
Mongobo o arabela le k'hemistri ea polyurethane.
Liphello li kenyelletsa:
• Ho thehoa ha lipululana
• Ho se khomarele hantle
• Ho fola ho sa fellang
Kamehla etsa bonnete ba hore substrate e omme.
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Phoso ea 2: Botebo bo Fosahetseng ba Manonyeletso
Manonyello a tebileng haholo:
• Litšila
• Eketsa khatello ea maikutlo ka hare
• Fokotsa ho tenyetseha
Lithupa tsa mokokotlo li thusa ho boloka jiometri e nepahetseng.
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Phoso ea 3: Ho Khomarela ka Mahlakore a Mararo
Sealanta se lokela ho hokahanngoa le mabota a mabeli a kopanelo feela.Ho tlamahana le karolo e ka tlase ea lenonyello ho thibela motsamao 'me ho baka ho hloleha pele ho nako.
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Phoso ea 4: Ho Hloekisa Hantle
Lerōle le fokotsa ho khomarela haholo.Kamehla hlwekisa hang-hang pele o e sebelisa.
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Phoso ea 5: Ho Etsa Kopo Nakong ea Pula
Pula e kenya mongobo ho polyurethane e sa folisoang.
Liphello:
• Liphoso tsa bokaholimo
• Ho phatloha ha matheba
• Matla a tlamo a fokotsehileng
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Hobaneng ha ho na le li-bubble tsa li-sealant tsa polyurethane
Ho thehoa ha lipululana ke bothata bo tloaelehileng ba tšimo.Ho utloisisa k'hemistri ho thusa ho e thibela.Polyurethane e fola ka ho arabela mongobo o sepakapakeng.Mongobo o feteletseng o baka tlhahiso e potlakileng ea carbon dioxide.Khase e tshwarwa ka hare ho sealant.
Sephetho:
• Lipululana
• Likoti tse ka tlas'a lefatše
• Likheo tsa ka hare
Mabaka a mantlha a kenyeletsa:
• Metswako e metsi
• Mongobo o phahameng
• Lisebelisoa tse teteaneng
• Ho pepesehela pula
• Polokelo e sa lokelang
Thibelo
• Boloka likhatriji li koetsoe ho fihlela li sebelisoa
• Tlotsa konkreite e omileng feela
• Qoba maemo a pula
• Latela litekanyo tse khothaletsoang tsa manonyeletso
• Sebelisa thepa e foreshe pele e fela
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Liparamithara tsa Tekheniki tse Khothaletsoang bakeng sa Manonyeletso a Konkreite a Tsamaeang ka Bophara
| Paramethara | Boleng bo Khothaletsoang | Melemo ea Boenjiniere |
| Bokhoni ba ho Tsamaea | ± 25% ho isa ho ± 50% | E sebetsana le katoloso le ho honyela ha mocheso |
| Nako ea Letlalo | Metsotso e 60–120 | E fana ka nako e lekaneng ea lisebelisoa |
| Sekhahla sa Phekolo | 3–4 mm/lihora tse 24 | Kemiso ea kaho e ka boleloang esale pele |
| Matla a tšepe | ≥1.2 MPa | E hanela sephethephethe se seholo |
| Ho Lelefatsa Nako ea Phomolo | ≥600% | Ho tenyetseha ho babatsehang |
| Lebōpo la Thata | 25–40 | Ho tenyetseha le ho tšoarella ho leka-lekaneng |
| Ho khomarela | E ntle haholo ho ea ho Konkreite | Tshebetso ya nako e telele e sa keneleng metsi |
| Khanyetso ea UV | Ho lokile | Ho tšoarella ha kantle |
| Mocheso oa Tšebeletso | -40°C ho isa ho +90°C | E loketse maemo a leholimo a feteletseng |
| Dikahare tsa VOC | Tlase | Kaho e sireletsang tikoloho |
Tlhokomelo le Tlhahlobo
Leha disealant tsa polyurethane di fana ka bophelo bo bolelele ba tshebeletso, tlhahlobo ya nako le nako e kgothaletswa.
Hlahloba selemo le selemo bakeng sa:
• Ho petsoha
• Karohano ea moeli
• Tšenyo ea mechini
• Tlhaselo ea lik'hemik'hale
• Ho robeha ho feteletseng
Ho lokisa ka potlako ho thibela metsi ho fihla konkreiteng ea meaho.
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Polyurethane khahlanong le Silicone bakeng sa Manonyeletso a Katoloso ea Konkreite
| Thepa | Polyurethane | Silicone |
| Ho khomarela ka konkreite | E babatsehang | Ho lokile |
| Khanyetso ea Abrasion | E babatsehang | E itekanetseng |
| Ho penta habonolo | E | No |
| Sephethephethe se Seholo | E babatsehang | E lekanyelitsoe |
| Pholiso ea Elastic | E babatsehang | E babatsehang |
| Khanyetso ea UV | Hantle haholo | E babatsehang |
| Matla a Mekaniki | Holimo | Mahareng |
Bakeng sa litsela, fatše la indasteri, matlo a polokelo, litsela tse kholo le libaka tsa boema-fofane, polyurethane hangata ke tharollo ea boenjiniere e ratoang ka lebaka la ts'ebetso ea eona e phahameng ea mechini.
Malebela a Setsebi a tsoang ho Litsebi tsa Indasteri
Borakonteraka ba nang le boiphihlelo ba latela mekhoa ena e metle khafetsa:
• Rala manonyeletso pele o kgetha di-sealant.
• Kopanya bokgoni ba motsamao le motsamao o lebelletsweng wa sebopeho.
• Le ka mohla u se ke ua tlola ho lokisa bokaholimo.
• Kamehla sebelisa lithupa tsa backer bakeng sa manonyeletso a tebileng.
• Sesebelisoa hang ka mora ho se sebedisa.
• Sireletsa manonyeletso a macha nakong ea ho fola.
• Boloka maqhetsoana a khatriji maemong a pholileng, a omileng.
• Latela litaelo tsa ho kenya tsa moetsi.
Hobaneng o lokela ho kgetha ditiiso tsa SIWAY Polyurethane?
Bahlahisi ba SIWAYLi-sealant tsa kaho tsa polyurethane tse sebetsang hantle tse entsoeng bakeng sa meralo ea motheo le lits'ebetso tsa khoebo tse hlokang boiteko.
Melemo ea bohlokoa e kenyelletsa:
• Ho khomarela hantle konkreite, majoe a majoe, tšepe le aluminium
• Bokhoni bo phahameng ba ho sisinyeha ha manonyeletso a matla
• Ho taboha ho ikhethang le ho hanyetsa boemo ba leholimo
• Ho ntša le ho sebelisa lisebelisoa habonolo
• Bophelo bo bolelele ba tšebeletso tlas'a maemo a boima
• E fumaneha ka mekhoa e sa thelleng le e iketsang e lekantsoeng
• Ho fumaneha tlhahiso ea OEM le ea poraefete
• Boleng bo tsitsitseng bo tšehetsoang ke litsamaiso tse tiileng tsa tlhahiso le taolo ea boleng
Hore na projeke ea hau e kenyelletsa fatše ea indasteri, litsela tsa boema-fofane, litsela tse kholo, marokho, kapa mehaho ea khoebo, li-sealant tsa SIWAY polyurethane li etselitsoe ho fana ka tšireletso e tšepahalang ea ho thibela metsi le tšireletso ea manonyeletso ea nako e telele.
Sehlahisoa se Khothaletsoang:Setiishene sa Kaho sa SV811FC Polyurethane– E loketse manonyeletso a konkreite a otlolohileng le a bataletseng, a fanang ka ho tenyetseha ho hoholo, ho khomarela ho matla, le ho hanyetsa boemo ba leholimo hantle.
Sehlahisoa se Amanang:Setiishene sa Polyurethane se Ikemetseng sa SV313– E etselitsoe ka ho khetheha bakeng sa lihokelo tsa katoloso tse rapameng litseleng, boema-fofaneng, marokhong le mekatong ea liindasteri.
Lihokelo tsa Ka Hare tse Khothaletsoang
•Leqephe la Sehlahisoa sa Seaparo sa Kaho sa SV811FC Polyurethane
•Leqephe la Sehlahisoa sa Polyurethane Sealant se Ikemetseng sa SV313
•Tataiso ea ho bapisa Polyurethane Sealant khahlanong le Silicone Sealant
•Tataiso e Felletseng ea ho Reka Sealante sa Kaho
• Tataiso ea Moralo oa Kopanelo oa Katoloso ea Konkreite
Ho khethasekontiri sa polyurethane se nepahetsengke mohato oa pele feela oa ho fihlela dmanonyeletso a katoloso a konkreite a sebetsang hantle.Moralo o nepahetseng oa manonyeletso, ho lokisa bokaholimo ka hloko, mekhoa e nepahetseng ea ho kenya, le ho latela litlhoko tsa ho lokisa li bohlokoa ka ho lekana bakeng sa ts'ebetso ea nako e telele.
Ka ho kopanya sekontiri sa polyurethane sa boleng bo holimo le mekhoa e metle ea indasteri, baenjiniere le borakonteraka ba ka fokotsa litšenyehelo tsa tlhokomelo haholo, ba thibela ho kenella ha metsi, 'me ba eketsa bophelo ba litšebeletso tsa meralo ea motheo ea konkreite. Bakeng sa merero ea kaho e hlokang boiteko, litharollo tse kangSIWAY SV811FC le SV313 Self-Leveling Polyurethane Sealantfana ka ho tenyetseha, ho khomarela, le ho tšoarella ho hlokahalang ho sireletsa manonyeletso a katoloso tlas'a maemo a sebele ha ka nako e ts'oanang ho tšehetsa ts'epo ea sebopeho ea nako e telele le ts'ebetso ea ho se kenelle metsi.
P1: Na polyurethane sealant e ka sebelisoa ka kotloloho konkreiteng?
K: E. Konkreite e lokisitsoeng hantle e fana ka kgomarelo e ntle haholo. Di-substrate tse nang le masoba a mangata di ka hloka primer ho eketsa kgomarelo ya nako e telele.
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P2: Sealant ea polyurethane e nka nako e kae manonyeletsong a konkreite?
K: Ha di kentswe le ho hlokomelwa ka nepo, di-polyurethane sealant tsa boleng bo hodimo hangata di fana ka dilemo tse 10-20 tsa tshebeletso, ho itshetlehile ka mojaro wa sephethephethe, moralo wa manonyeletso le maemo a tikoloho.
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P3: Na polyurethane e betere ho feta silicone bakeng sa manonyeletso a katoloso?
K: Bakeng sa lits'ebetso tse boima tsa konkreite tse kang litselana, fatše la liindasteri, marokho le meaho ea ho paka makoloi, polyurethane ka kakaretso e fana ka ho khomarela ho hoholo, ho hanyetsa ho khopama le matla a mechini. Silicone e ntse e le khetho e ntle moo khanyetso e phahameng ea UV kapa ho thibela boemo ba leholimo ho tloha khalaseng ho ea khalaseng e leng tlhoko ea mantlha.
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P4: Na sealant ea polyurethane e ka pentoa?
K: E. Bongata ba disealant tsa polyurethane di ka pentwa ka mora ho hlwekiswa ka botlalo, e leng se etsang hore di lokele ditshebediso tsa konkreite tsa meralo le tsa mekhabiso.
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P5: Hobaneng thupa ya motshehetsi e le bohlokwa?
K: Thupa ea backer e laola botebo ba sealant, e thibela ho khomarela mahlakore a mararo, e ntlafatsa ho tenyetseha ha manonyeletso, e fokotsa tšebeliso ea thepa, 'me e thusa ho netefatsa hore profil ea sealant e bōpehile hantle.
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P6: Lenonyello le ka pepesehela sephethephethe halelele hakae?
K: Sena se itshetlehile ka sebopeho sa sealant, boholo ba manonyeletso le maemo a tikoloho. Ka kakaretso, manonyeletso a lokela ho dula a sireleditswe ho fihlela sealant se fodile ka botlalo ho ya ka dikgothaletso tsa moetsi.
Nako ea poso: Phato-07-2026