Npog Qhov Kev Ua tiav Thib Ob, polyurethane tsis yog qhov kev xaiv zoo tshaj plaws rau kev pleev xim rau cov lacquer tiav. Polyurethane yuav tsis khi lossis tuav zoo nrog lub lacquer thiab yuav tev tawm thaum lub sijhawm siv dav. Hloov chaw, siv lub alkyd varnish. Alkyd varnishes yog polyester cob uas yuav ua tau zoo dua thiab kho yooj yim dua.
Koj puas tuaj yeem tsuag urethane hla lacquer?
Txhua yam nkaus xwb koj tuaj yeem tua tau lacquer ntau dua lacquer. Qhov pheej yig primer yuav tsum tawm nrog lacquer thinner. Thaum nws tag nrho tawm ntxuav lub bumper tiag tiag, scuff nws nrog maroon scotch ncoo thiab tua adhesion txhawb nqa thiab sealer tshaj nws. Ces koj yuav tsum mus zoo.
Yuav ua li cas urethane tuaj yeem siv rau cov kua roj vanish?
Yog tias koj txhais tau tias polyurethane kua roj vanish hla cov kua roj vanish ib txwm, yog, koj tuaj yeem. Txawm li cas los xij, nws yog ib lub tswv yim zoo rau scuff-xuab zeb kom huv si thiab tshem cov xuab zeb plua plav tawm ua ntej ua qhov ntawd. Tsis tas li ntawd, txhawm rau kom paub meej txog kev ua kom adhesion, txheej txheej nrog dewaxed shellac thiab tom qab ntawd coated nrog polyurethane.
Yuav ua li cas urethane tuaj yeem siv rau enamel?
Polyurethane tuaj yeem siv dhau cov xim pleev xim, uas feem ntau muab cov tawv tawv dua li cov xim pleev xim. … Tom qab cov xim tau kho tas lawm, lub tsho nyias nyias ntawm polyurethane yuav tsum tau siv nrog cov txhuam txhuam los yog ua npuas ncauj. Lub tsho tiv no yuav tsum tau tso cai kom qhuav rau ob teev tom qab ntawd maj mam txhuam thiab so kom huv.
Koj puas tuaj yeem urethane primer tshaj lacquer primer?
Yog li cov kab hauv qab teb rau koj cov lus nug yog - yog koj tuaj yeem tsuag urethane primer tshaj lacquer primer tab sis koj tab tom ua si ntawm Lavxias roulette nrog xim adhesion hauv lub peev xwm poob.