litaba

Liaparo tse entsoeng ka metsi khahlanong le litlolo tse entsoeng ka solvent

Hangata liphahlo li nka mabitso a tsona ho tloha ho binder, kapa resin, eo li entsoeng ka eona. Li-epoxies, alkyds le urethanes kaofela ke mehlala ea li-resin tse fanang ka ho roala lebitso la tsona. Empa tsena hase tsona feela likarolo tse etsang seaparo. Ho phaella ho li-additives, tse ka alimang seaparo se itseng sa tshebetso, le li-pigments tse alimang 'mala, li-coatings li boetse li na le ntho e qhibilihisang kaofela hore e be mokelikeli bakeng sa kopo e bonolo.

Mokelikeli ona hangata o nka sebopeho sa metsi kapa mokelikeli o mong oa lik'hemik'hale. Ke ka lebaka leo mantsoe a reng "metsi" le "solvent-based". Ke mofuta ofe oa sehlahisoa o nepahetseng bakeng sa mosebetsi o tla itšetleha ka maemo. Ka kakaretso, e 'ngoe ha e betere ho feta e' ngoe, empa e sebetsa ka tsela e fapaneng maemong a fapaneng. Ha e le hantle, likhetho tseo ka bobeli li tla ba teng ka lehlakoreng le leng ka har'a lihlomo tsa setsebi sa ho roala.

LIKHOPO TSA METSI

Lipente tse thehiloeng metsing li etsa karolo ea 80 lekholong ea lipente tsa malapa tse rekisoang kajeno ho ea ka Paint Quality Institute, mokhatlo o fanang ka keletso le liteko tsa lipente. Ha ho pelaelo hore sena ke karolo e kholo ka lebaka la e 'ngoe ea lintho tse ka sehloohong tse khahlehang tsa lihlahisoa tse thehiloeng metsing, ebang ke pente ea ka hare ea ntlo kapa seaparo se sireletsang se sireletsang: monko o fokolang.

Ha o sebetsa libakeng tse koaletsoeng kapa tse nang le moea o fokolang, moea oa mouoane oa lihlapolli o ka ba thata ho basebetsi kapa oa ba oa ba kotsi bophelong ba bona. Ka lebaka lena, merero e mengata e kang e kenyelletsang litanka tsa polokelo ea mafura le likoloi tsa litanka tsa terene li sebelisa liphahlo tse thehiloeng metsing. Tsena li boetse li fokotsa bongata ba thepa e tukang e hahang sebakeng se koalehileng. Leha ho le joalo, seo ha se bolele hore tšebeliso ea litlolo tse entsoeng ka metsi e hanana le tlhokahalo eaOSHA e amohetse mehato ea polokeho ea sebaka se koaletsoeng.

Ho lumellana le tikoloho ke lebaka le leng le tloaelehileng la ho khetha ho sebelisa seaparo se nang le metsi. Lintho tse hlapollang tse ngata li fetoha mouoane ho ba lintho tse tsejoang e le metsoako ea lintho tse phelang tse feto-fetohang, kapa li-VOC. Mebuso ea naha, ea naha le ea lehae hangata e laola li-VOC ka ho lekanyetsa hore na likhoebo li lumelloa ho ntša bokae ka nako e fanoeng. TheEPA e beha melao ea nahabakeng sa li-VOC, empa linaha tse ling li tiisitse lithibelo le ho feta, li hloka boiteko bo kopanetsoeng ba ho fokotsa tlhahiso ea tsona.

Leha ho le joalo, liaparo tse thehiloeng metsing ha li na li-solvents tsa zero. Tse ngata li na le seo ho thoeng ke li-co-solvents, li-solvents tse teng maemong a tlase 'me li reretsoe ho thusa ho sutumelletsa metsi a setseng ka ntle ho seaparo ha a ntse a omella. Empa kaha likhoele tse thehiloeng metsing li na le che, kapa li-solvents tse nyane haholo, ke tsela e ntle ea ho theola tlhahiso ea khoebo ea VOC. Bakeng sa lik'hamphani tse ling, sena se ka bolela ho sebelisa chelete e nyane ho latela melao ea tikoloho. Kapa u ba thibele ho lefa likotlo tse kholo bakeng sa ho feta litefiso tsa VOC.

THAROLLENG MABAKA

Lipente tse thehiloeng ho solvent li entsoe ka liquefying agents tse reretsoeng ho fetoha mouoane ka lebaka la lik'hemik'hale tse nang le oksijene. Ka tloaelo, moea o tsamaeang o pota-potileng seaparo se thehiloeng ho solvent se tla thusa ho potlakisa karabelo, ho fokotsa linako tsa ho omisa.

Liaparo tsena li na le molemo o le mong o moholo ho feta liphahlo tse entsoeng ka metsi. Ha ba hlaselehe habonolo ke maemo a tikoloho joalo ka mocheso le mongobo nakong ea ho folisa. Mongobo o hlile o ka thibela metsi a koahetsoeng ke metsi hore a se ke a fetoha mouoane, e leng se etsang hore a se ke a sebetsa libakeng tse ling.

Liaparo tse entsoeng ka metsi li boetse li fana ka phephetso ho boemo ba pele bo lokiselitsoeng holim'a morero oa ho roala. Metsi, leha e le sebaka se ts'episang sa lihlapolli maemong a mang, hape ke karolo ea mantlha ea ts'ebetso ea kutu, lebaka lohle la indasteri ea ho roala liindasteri pele. Haeba metsi a kopana le substrate pele a roala, ho ka 'na ha qala ho rusa letheba. E le ho etsa bonnete ba hore ha ho joalo, liphahlo tse entsoeng ka metsi li tlameha ho etsoa e le hore metsi 'ohle a ntšoe ka filimi e ka holimo pele ho senya ho ka etsahala. Sena ha se nahane ka litlolo tse thehiloeng ho solvent.

Kahoo, ka kakaretso, le hoja liphahlo tse entsoeng ka metsi e ka 'na ea e-ba khetho e ntle bakeng sa mesebetsi e amanang le libaka tse koaletsoeng le tšebeliso e tsoelang pele ea liphahlo, ha li na matheba a tsona a fokolang. Mesebetsi e maemong a bulehileng, a mongobo, joalo ka a atisang ho fumanoa mererong ea ho lokisoa ha meaho, e ntse e ka rua molemo ho tsoa ho seaparo se nepahetseng. Haeba u ka rata ho buisana ka hore na ke mofuta ofe oa sehlahisoa o ka loketseng projeke ea hau, re ka thabela ho utloa ho tsoa ho uena.Ikopanye le indasteri ea mit-ivy Coatingskajeno. Kapa, ​​​​haeba u batla ho sheba lethathamo la lihlahisoa tsa rona pele, khoasolla lethathamo la lihlahisoa tsa rona ka tlase.

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Acrylic Decorative Finishes Metsi e thehiloeng tšepe e qeta pente 1.18us/kg
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Silicone Gloss Metsi a thehiloeng Acrylic copolymer
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Emulsion ea acrylic e thehiloeng metsing, semi-matt, topcoat e ka hlatsuoang ka hare ea Silicone Semi Matt 1.18us/kg
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Pente ea Intumescent ea Metsi 1.1us/kg

 

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Nako ea poso: Oct-09-2023