Dab tsi ua rau cov plag tsev tawv ntoo thiab polyurethane daj? … Oil based polyurethanes tig cov plag tsev daj… thiab dhau sij hawm, lawv dhau los ua daj… thiab qee zaum txawm me ntsis txiv kab ntxwv. Nws yog UV rays los ntawm lub hnub uas ua rau lawv ib tug maub daj los yog amber thiab ntau dua lawv raug lub sij hawm, qhov yellower lawv tau.
Koj yuav ua li cas kho yellowing polyurethane?
Thaum qhov ua tiav muaj lwm yam tsis xws luag uas cuam tshuam los ntawm cov tsos ntawm daim, qee zaum koj tuaj yeem kho lawv thiab ua kom lub daj daj los ntawm scuffing cov qub tiav nrog 220-grit sandpaper thiab txau rau ntawm lub tsho tiv no tshiabCov khoom qub rov qab softens thaum coated nrog cov khoom tshiab thiab amalgamates rau hauv.
Vim li cas kuv lub tsho ntshiab thiaj tig daj?
Yellowing of clearcoats is a natural phenomenon during weathering processes, as well as los ntawm huab cua kub, vim polymer degradation. Txawm li cas los xij, qee zaus daj tuaj yeem tshwm sim los ntawm kev xav txog tshuaj lom neeg tshwm sim hauv lub clearcoat.
Puas muaj cov polyurethane tsis daj?
Qhov zoo tshaj plaws uas tsis yog daj daj dej-raws li polyurethane
Qhov zoo tshaj plaws uas tsis yog daj ntshiab yog Minwax's Polycrylic. Nws yooj yim rau siv, qhuav li ob peb teev, tuaj yeem siv ntau zaus hauv 24 teev, dries meej meej, thiab tsis daj dhau sijhawm.
Yuav ua li cas thiaj tsis tig daj?
Acrylic raws li tiav, ob qho tib si dej thiab cov kuab tshuaj raws li qhov kev xaiv zoo tshaj plaws rau cov khoom tsis daj. Waxes kuj yuav tsis daj thiab qee cov lacquers catalyzed thiab varnishes.
