Nappa tawv yog cov tawv hluavtaws qib siab, feem ntau yog ua los ntawm polyurethane lossis polyvinyl chloride (PVC). Nws tau raug kho nrog cov txheej txheem tshwj xeeb kom muaj lub ntsej muag du, mos, xis tes xis, hnav tsis kam, yooj yim tu thiab kav ntev, thiab pheej yig dua. Tsawg dua thiab kev xaiv nyiaj txiag ntau dua.
Cov tawv tiag tiag yog tsim los ntawm cov tawv nqaij tsiaj los ntawm tanning thiab lwm yam txheej txheem. Kev ntxhib los mos ntawm cov tawv tiag tiag yog ib txwm mos thiab muaj kev ua pa zoo thiab kev nplij siab. Nws yog ruaj thiab yuav tsim ib tug tshwj xeeb ntuj aging nyhuv nyob rau hauv lub sij hawm, ua rau nws ruaj. Kev ntxhib los mos yog ntau noble.
Cov tawv tiag tiag feem ntau kim dua vim nws txoj kev tsim khoom thiab siv cov tawv nqaij.
Ob qho khoom siv sib txawv ntawm cov tsos, kev ua tau zoo thiab tus nqi. Nappa tawv feem ntau yog nyias, yooj yim rau khaws thiab pheej yig dua, haum rau kev siv txhua hnub, thaum tawv tawv dua, muaj lub ntuj zoo nkauj thiab zoo siab, tab sis kim dua. Thiab yuav tsum tau saib xyuas ntau dua.
Tam sim no cia peb saib tob dua ntawm cov yam ntxwv thiab cov txheej txheem tsim khoom ntawm ob cov ntaub ntawv no: Nappa tawv, raws li cov tawv hluavtaws, feem ntau yog ua los ntawm polyurethane lossis polyvinyl chloride. Nws cov txheej txheem ntau lawm yog qhov yooj yim, los ntawm txheej txheej hluavtaws ntawm cov ntaub, ces dyed thiab embossed, uas ua rau ib tug du, muag muag.