Lim Ntawvyog ib lo lus dav dav rau cov khoom lim tawm tshwj xeeb. Yog tias nws tau hais ntxiv ntxiv, nws muaj: roj lim ntawv, npias lim ntawv, siab lim lim rau cov ntawv kub, thiab lwm yam. Tsis txhob xav tias ib daim ntawv me me zoo li tsis muaj qhov cuam tshuam. Qhov tseeb, cov nyhuv uas cov lim ntawv tuaj yeem tsim khoom yog qee zaum tsis zoo los ntawm lwm yam.
Los ntawm cov qauv ntawm daim ntawv, nws yog ua los ntawm cov khoom sib cuam tshuam. Cov fibers yog staggered nrog txhua lwm yam los ua ntau lub qhov me me, yog li cov permeability rau roj lossis kua yog qhov zoo. Ntxiv mus, cov tuab ntawm daim ntawv tuaj yeem loj lossis me, cov duab yooj yim rau cov txheej txheem, thiab cov quav thiab kev txiav yooj yim heev. Nyob rau tib lub sijhawm, nyob rau hauv cov nqe lus ntawm cov nqi tsim khoom, tsheb thauj mus los thiab cia, tus nqi yog tsawg.
Cias muab,Lim Fes Ntawv NtawvYuav siv tau rau kev sib cais, penification, concolorization, rov qab, thiab lwm yam kev noj qab haus huv, kev saib xyuas kev txuag thiab yog li ntawd.
Qee cov ntaub ntawv raw siv hauv cov ntawv lim yog tag nrho cov nroj tsuag fibers, xws li tshuaj soj ntsuam cov ntawv; Ib txhia yog iav fibers, hluavtaws fibers, txhuas silicate fibers; Qee tus siv cov nroj tsuag fibers thiab ntxiv lwm yam fibers, txawm suav nrog cov hlau fibers. Ntxiv nrog rau cov kev sib xyaw saum toj no, qee cov fillers, xws li perlite, ua kom muaj zog ua kom tus neeg sawv cev, ion pauv kev cob qhia, thiab lwm yam, yuav tsum tau ntxiv raws li cov mis. Tom qab cov txheej txheem ua tiav, cov ntawv tiav los ntawm cov ntawv tshuab tiav raws li yuav tsum tau ua: nws tuaj yeem txau, impregnated, lossis txoj kab nrog lwm cov ntaub ntawv.
Tsis tas li ntawd, nyob rau hauv daim ntawv tshwj xeeb, cov ntawv lim yuav tsum tau muaj kom muaj kub siab, nrog rau adsorption thiab mildew tsis kam. Piv txwv li, qhov pom ntawm cov av siv roj cua ntxaij thiab cov kev lim dej ntawm cov roj zaub ua kom zoo nkauj, thiab lwm yam.
Lub Sijhawm Post: Nov-14-2022