Ipeyinti yomgangatho wePolyurethane ngumgangatho ophezulu wokutyabeka osetyenziswa kakhulu kwimizi-mveliso, zorhwebo kunye nezakhiwo zasekuhlaleni. Ihlanganiswe ne-polyurethane resin, i-ejenti yokunyanga, i-pigments kunye ne-fillers, njl., kwaye inokumelana nokunxiba okugqwesileyo, ukuxhathisa imichiza kunye nokumelana nemozulu. Iimpawu eziphambili zepeyinti yomgangatho we-polyurethane ziquka:
1. Ukuxhathisa okuqinileyo: Ipeyinti yomgangatho we-polyurethane inokumelana nokunxiba kakuhle kwaye ifanelekile kwiindawo ezinabantu abaninzi, njengeendawo zokusebenzela, iindawo zokugcina iimpahla kunye neevenkile.
2. Ukumelana neeKhemikhali : Inokumelana kakuhle neentlobo zeekhemikhali (ezifana neoli, i-asidi, i-alkali, njl.), kwaye ifanelekile kwiindawo ezifana nezityalo zekhemikhali kunye neebhubhoratri.
3. I-elasticity enhle : Ipeyinti yomgangatho we-polyurethane inomlinganiselo othile we-elasticity, onokuthi uxhathise ngokufanelekileyo ukuguqulwa okuncinci komhlaba kunye nokunciphisa ukuvela kweentanda.
4. I-Aesthetics : Imibala eyahlukileyo inokulungiswa ngokweemfuno. Umphezulu ugudile kwaye kulula ukucoceka, ukuphucula ubuhle bendalo.
Amanyathelo okwakha
Inkqubo yokwakhiwa kwepeyinti yomgangatho we-polyurethane inzima kwaye kufuneka ilandele la manyathelo alandelayo:
1. Unyango olusisiseko
COCA: Qinisekisa ukuba umgangatho awunathuli, ioli kunye nobunye ukungcola. Sebenzisa umpu wamanzi woxinzelelo oluphezulu okanye isicoci sevacuum yeshishini ukucoca.
Ukulungisa: Lungisa iintanda kunye nemingxuma esemhlabeni ukuqinisekisa umgangatho ogudileyo.
Ukugaya: Sebenzisa i-grinder ukupolisha umgangatho ukwandisa ukunamathela kwengubo.
2. Isicelo sokuqala
Khetha i-primer: Khetha i-primer efanelekileyo ngokwemeko yangempela, ngokuqhelekileyo i-polyurethane primer isetyenziswa.
Ukuxukuxa: Sebenzisa irola okanye umpu wokutshiza ukufaka iprimer ngokulinganayo ukuqinisekisa ukugquma. Emva kokuba i-primer yomile, jonga nayiphi na indawo ephosiweyo okanye engalinganiyo.
3. Ukwakhiwa kwedyasi ephakathi
Ukulungiselela i-coating ephakathi: Lungiselela i-coating ephakathi ngokwemiyalelo yemveliso, ngokuqhelekileyo ukongeza i-arhente yokunyanga.
Ukuxubha: Sebenzisa i-scraper okanye i-roller ukuze usebenzise ngokulinganayo i-mid-coat ukwandisa ubukhulu kunye nokuxhatshazwa komgangatho. Emva kokuba idyasi ephakathi yomile, yifake isanti.
4. I-Topcoat isicelo
Lungiselela idyasi yangaphezulu: Khetha umbala njengoko kufuneka kwaye ulungise idyasi yangaphezulu.
Isicelo: Sebenzisa i-roller okanye i-spray gun ukuze usebenzise i-topcoat ngokulinganayo ukuqinisekisa indawo egudileyo. Emva kokuba i-topcoat yomile, jonga ukufana kwengubo.
5. Isondlo
Ixesha lokulungisa: Emva kokuba umzobo ugqityiwe, ukulungiswa okufanelekileyo kuyadingeka. Ngokuqhelekileyo kuthatha iintsuku ezingaphezu kwe-7 ukuqinisekisa ukuba ipeyinti yomgangatho iphiliswe ngokupheleleyo.
Gwema uxinzelelo olunzima: Ngexesha lokunyanga, gwema ukubeka izinto ezinzima emhlabeni ukuze ugweme ukuchaphazela umgangatho wengubo.
Iqondo lobushushu kunye nokufuma: Nika ingqalelo kwiqondo lobushushu kunye nokufuma ngexesha lokwakha. Isiphumo sokwakha sikholisa ukuba ngcono phantsi kweemeko ze-15-30℃.
Ukukhuselwa koKhuseleko: Iiglavu ezikhuselayo, iimaski kunye nezibuko kufuneka zinxitywe ngexesha lokwakha ukuqinisekisa ukhuseleko.
Ixesha lokuposa: Sep-27-2024