pu tawv yog dab tsi
Apr 17, 2024
PU tawv, tseem hu ua polyurethane tawv, yog cov khoom siv hluavtaws zoo li cov khoom siv uas tau dhau los ua neeg nyiam nyob rau xyoo tas los no. Cov khoom siv no yog siv dav hauv ntau hom kev siv, nrog rau cov rooj tog zaum, khaub ncaws, khau, thiab hnab tes, thiab lwm yam.
Yog li dab tsi yog PU tawv ua los ntawm? Zoo, cov khoom siv ntawm PU tawv yog ib hom yas hu ua polyurethane. Cov yas no yog tsim los ntawm kev sib txuas ntawm polyols thiab diisocyanates, uas yog ob hom tshuaj. Thaum cov tshuaj no sib xyaw ua ke, lawv tsim cov polyurethane ua npuas ncauj uas tuaj yeem siv los tsim ntau yam khoom, suav nrog PU tawv.
Kev tsim cov txheej txheem ntawm PU tawv yog txheej txheej polyurethane ua npuas ncauj nrog ntau yam xim thiab txheej txheej, uas muab nws qhov zoo thiab zoo ntawm cov tawv tiag tiag. Cov txheej txheem no tuaj yeem tsim los ua kom zoo nkauj thiab xim ntawm cov tawv tiag tiag, thiab tuaj yeem suav nrog cov qauv embossed kom rov ua dua qhov zoo ntawm cov tawv tsiaj txawv.
Ib qho ntawm ntau cov txiaj ntsig ntawm kev siv tawv PU yog tias nws pheej yig dua li tawv tawv. Nws kuj tseem siv tau ntau dua thiab yooj yim los tswj dua li cov tawv tiag tiag, ua rau nws yog qhov kev xaiv nrov rau ntau tus neeg siv khoom. Tsis tas li ntawd, nws yog ib puag ncig zoo dua li cov tawv tiag tiag, vim nws yog tsim los ntawm cov khoom siv hluavtaws es tsis yog tsiaj nkaum.
Hauv kev xaus, PU tawv yog cov khoom siv hluavtaws ua los ntawm polyurethane ua npuas ncauj uas yog coated nrog ntau yam pigments thiab coatings kom zoo li tawv tiag. Txawm hais tias muaj qee tus neeg nyiam cov tawv tiag tiag, muaj ntau yam txiaj ntsig los xaiv PU tawv dua tawv tiag tiag, suav nrog kev pheej yig, ruaj khov, thiab kev phooj ywg ib puag ncig. Txawm hais tias koj nyob hauv kev ua lag luam rau rooj tog, khaub ncaws, khau, lossis khoom siv, PU tawv yog qhov kev xaiv zoo rau kev xav.
