Muaj qhov sib txawv tseem ceeb hauv kev ua haujlwm thiab lub hom phiaj ntawm topcoats thiab primers. Cov primer feem ntau yog siv los ua lub hauv paus ntawm topcoat los txhim kho qhov adhesion thiab zoo nkauj ntawm topcoat, thaum lub topcoat yog lub luag hauj lwm rau kev kho kom zoo nkauj thiab kev tiv thaiv, thiab muaj anti-aging, anti-scratch thiab lwm yam dej num. Lub primer yuav tsum tau siv ncaj qha rau ntawm qhov chaw ntawm cov khoom raws li lub hauv paus ruaj khov rau topcoat, txhim khu lub adhesion ntawm topcoat, thiab txhim kho cov hniav zoo nkauj ntawm topcoat. Lub topcoat yog nyob rau sab saum toj ntawm primer thiab yog lub luag haujlwm tseem ceeb rau kev kho kom zoo nkauj thiab kev tiv thaiv, thiab muaj kev tiv thaiv kev laus, tiv thaiv khawb thiab lwm yam haujlwm. cov
Basecoats thiab topcoats kuj txawv nyob rau hauv muaj pes tsawg leeg. Basecoats feem ntau muaj cov yeeb yaj kiab ua yeeb yaj kiab, cov khoom sau, cov kuab tshuaj thiab cov tshuaj ntxiv, thaum cov coats tuaj yeem muaj cov coats ntshiab thiab xim xim. Nyob rau hauv cov nqe lus ntawm tus nqi, primers thiab topcoats txawv nyob ntawm seb lawv siv thiab cov khoom xyaw, tab sis nyob rau hauv feem ntau muaj ntau yam ntawm cov nqi, thiab cov kev xaiv tshwj xeeb yog nyob ntawm qhov zoo ntawm kev kho kom zoo nkauj xav tau.
