PVC tawv

  • T Qib 2 hli Environmental Protection PVC Pem Teb Homogeneous Sheet Vinyl Rolls Tsev Kho Mob Flooring

    T Qib 2 hli Environmental Protection PVC Pem Teb Homogeneous Sheet Vinyl Rolls Tsev Kho Mob Flooring

    Ntshiab xim homogeneous permeable PVC pem teb Kev kho mob chav ua hauj lwm rhiav antibacterial yob coj mus muag PVC yas pem teb

    Kev lag luam PVC flooring rau tsev kho mob
    Khoom npe: PVC flooring
    Khoom siv: Environmentally phooj ywg PVC (polyvinyl chloride)
    Khoom specification: 2.0mm tuab * 2m dav * 20m ntev
    Daim ntawv thov: factories, tsev kawm ntawv, kindergartens, supermarkets, tsev so
    Hnav-resistant txheej: 0.4mm

  • Sab hauv tsev tuab hnav-resistant waterproof imitation ntoo PVC pem teb tawv cement pem teb

    Sab hauv tsev tuab hnav-resistant waterproof imitation ntoo PVC pem teb tawv cement pem teb

    Thickened hnav-resistant waterproof pem teb tawv yog resistant rau luam yeeb kub. cov
    Thickened hnav-resistant pem teb tawv feem ntau siv cov khoom siv PVC, uas muaj qee yam hnav tsis kam thiab haus luam yeeb kub hnyiab. Nws yog qhov tsim nyog rau kev siv hauv tsev thiab cov chaw pej xeem thiab tuaj yeem daws qhov teeb meem ntawm kev haus luam yeeb.
    Tsis tas li ntawd, MgO ecological pem teb kuj muaj cov luam yeeb zoo heev. Tom qab kev soj ntsuam los ntawm lub koom haum tso cai SGS, nws cov nplaim taws kub hnyiab tau mus txog qib zoo. Txawm tias thaum muab luam yeeb, yuav tsis muaj qhov tawg, qhov chaw dub, npuas thiab lwm yam teeb meem. Ntxiv nrog rau kev tiv thaiv kev haus luam yeeb kub, hauv pem teb no kuj muaj ntau yam zoo xws li xoom formaldehyde, tsis muaj dej tsis zoo thiab mildew-proof, hnav-resistant thiab khawb-resistant, kab-pov thawj thiab tiv thaiv corrosion. Nws yog ib qho ruaj khov, ruaj khov, rov ua dua tshiab thiab tsis muaj kuab paug siab ua haujlwm zoo ib puag ncig hauv pem teb.
    Nyob rau hauv cov ntsiab lus, thickened hnav-resistant waterproof pem teb tawv tuaj yeem tiv taus luam yeeb kub hnyiab tau rau qee qhov, thaum MgO ecological pem teb qhia tau hais tias haus luam yeeb zoo heev thiab tsim nyog rau lub sijhawm tshwj xeeb rau cov khoom siv hauv pem teb.

  • Cov ntaub pua plag qauv pvc flooring Thickened non-slip hauv tsev yas flooring Fireproof coj mus muag pem teb tawv pem teb kua nplaum

    Cov ntaub pua plag qauv pvc flooring Thickened non-slip hauv tsev yas flooring Fireproof coj mus muag pem teb tawv pem teb kua nplaum

    PVC pem teb kua nplaum khoom kev ua tau zoo thiab cov yam ntxwv:
    1. Kev xav zoo, zoo elasticity, ruaj khov, kev pab lub neej ntev.
    2. Txais tos thoob ntiaj teb cov ntaub ntawv zoo raw khoom thiab cov khoom siv ntxiv, tsis yooj yim rau hnub nyoog thiab ploj.
    3. Zoo elasticity, muaj zog muaj peev xwm los khawb thiab khaws cov xuab zeb, yooj yim los ntxuav, tuaj yeem ntxuav nrog dej thiab ntau yam zoo.
    4. Kev tiv thaiv zoo ntawm kev txav ntawm cov ntaub pua plag hauv pem teb, cov qauv kev nyab xeeb, kom cov neeg siv khoom tuaj yeem siv nrog kev ntseeg siab, siv tau thiab zoo ib puag ncig.

  • PVC Flooring Khoom kim heev Vinyl Peel thiab Stick Pem Teb Vuas Yas Ntoo Grain SPC Flooring NEW tuaj txog rau tus kheej nplaum

    PVC Flooring Khoom kim heev Vinyl Peel thiab Stick Pem Teb Vuas Yas Ntoo Grain SPC Flooring NEW tuaj txog rau tus kheej nplaum

    Tsis txhob deform, waterproof thiab hnav-resistant, tsis muaj-ntxuav txheej txheem, muaj zog tiv thaiv fouling muaj peev xwm
    Super cuam tshuam tsis kam
    Tshaj qhov txwv ntawm kev hnav tsis kam ntawm cov plag tsev ib txwm muaj, yooj yim tawg los ntawm 10,000 kiv puag ncig
    0 formaldehyde ua
    PVC cov ntaub ntawv hauv pem teb (polyvinyl chloride) yog ib puag ncig zoo thiab tsis muaj tshuaj lom. Cov khoom siv txuas ntxiv dua tshiab, feem ntau siv los ua cov tais diav, cov raj hauv tsev kho mob, thiab lwm yam. Tag nrho cov PVC pem teb yog tiag tiag 0 formaldehyde khoom.
    nplaim retardant thiab kub resistant
    B1 fireproof muaj peev xwm, PVC pem teb yuav tsis hlawv, tab sis kuj nplaim retardant
    Anti-slip thiab suab nrov txo
    Kev siv cov cuab yeej siv hluav taws xob zoo molecular, cov ko taw xav tias muaj zog dua tom qab ntub dej, thiab kev tiv thaiv plam yog qhov zoo tshaj rau cov plag tsev ib txwm muaj. Lub tsib-txheej high-density qauv tuaj yeem nyiam txog 20 decibels thiab tiv thaiv suab nrov
    Kev ntxhib los mos tiag tiag
    Cov qauv kev ntxhib los mos muab kev xaiv ntau rau koj, thiab cov nyhuv zoo dua tom qab paving, thiab kev ntxhib los mos yog qhov pom tseeb thiab zoo nkauj dua.

  • Customized Embroidered faux tawv Quilted tawv rau tsheb pem teb npog lub rooj zaum npog thiab tsheb lev maus taus tawv

    Customized Embroidered faux tawv Quilted tawv rau tsheb pem teb npog lub rooj zaum npog thiab tsheb lev maus taus tawv

    Lub tsheb lev yog ib feem tseem ceeb ntawm lub tsheb sab hauv. Lawv tuaj yeem tsis tsuas yog tiv thaiv lub tsheb hauv pem teb los ntawm kev hnav thiab muaj kuab paug, tab sis kuj txhim kho kev zoo nkauj tag nrho ntawm lub tsheb.
    PVC lev yog ib yam tshiab ntawm lub tsheb lev cov ntaub ntawv nrog zoo hnav tsis kam, anti-slip thiab waterproof khoom. PVC mats yog softer nyob rau hauv kev ntxhib los mos thiab muaj peev xwm muab tau ib tug ntau xis nyob. Tsis tas li ntawd, muaj ntau xim thiab cov qauv ntawm PVC mats, uas tuaj yeem sib phim raws li tus kheej nyiam. Txawm li cas los xij, PVC mats muaj kev ua haujlwm tsis zoo ib puag ncig thiab ua rau muaj cov pa phem hauv qhov kub thiab txias.
    PU mats yog ib hom tshiab ntawm ib puag ncig tus phooj ywg lub tsheb lev khoom nrog zoo hnav tsis kam, tiv thaiv plam thiab tsis muaj dej. Kev ntxhib los mos ntawm PU mats yog nruab nrab ntawm cov roj hmab thiab PVC, uas tuaj yeem tiv thaiv lub tsheb hauv pem teb thiab muab kev xav zoo. Tsis tas li ntawd, muaj ntau cov xim thiab cov qauv ntawm PU lev, uas tuaj yeem sib phim raws li tus kheej nyiam. PU mats muaj kev ua haujlwm zoo ib puag ncig, tsis muaj cov tshuaj phem, thiab tsis muaj teeb meem rau tib neeg lub cev. Txawm li cas los xij, tus nqi ntawm PU mats yog qhov siab.
    1. Yog tias koj tab tom nrhiav kev ua haujlwm ntev thiab kev ua haujlwm zoo, koj tuaj yeem xaiv cov roj hmab lossis PVC mats;
    2. Yog tias koj tab tom nrhiav kev tiv thaiv ib puag ncig thiab kev nplij siab, koj tuaj yeem xaiv PU lossis ntaub mats;
    3. Yog tias koj tab tom nrhiav rau high-end thiab kev nplij siab, koj tuaj yeem xaiv tawv lev;
    4. Thaum xaiv lub tsheb lev, koj yuav tsum xav txog yuav ua li cas lawv phim tag nrho cov qauv ntawm lub tsheb kom ua tiav qhov zoo nkauj zoo nkauj;
    5. Ntxuav thiab tuav lub tsheb mats tsis tu ncua kom tswj tau lawv txoj kev zoo nkauj thiab ua kom lawv lub neej ua haujlwm ntev.

  • Kub muag PVC tawv pob zeb diamond qauv embroidered tawv ua ke daim txhuam cev rau tawv tsheb pem teb lev

    Kub muag PVC tawv pob zeb diamond qauv embroidered tawv ua ke daim txhuam cev rau tawv tsheb pem teb lev

    PVC tsheb lev yog lub tsheb lev. Nws cov yam ntxwv tshwj xeeb yog tias nws siv lub gasket loj loj ua lub cev loj. Plaub sab ntawm lub tiaj tus gasket yog tig los ua ib tug disc ntug. Tag nrho cov lev yog ib tug disc-zoo li tus qauv. Cov duab ntawm lub lev tuaj yeem tsim tau raws li ib puag ncig qhov chaw uas cov lev tau muab tso rau. Ua li no, cov av nkos thiab xuab zeb hauv lub tsheb los ntawm cov khau khiab poob rau ntawm daim lev. Vim qhov kev cuam tshuam ntawm disc ntug ntawm lub lev, cov av nkos thiab cov xuab zeb tau daig hauv daim lev thiab yuav tsis tawg mus rau lwm qhov chaw ntawm lub tsheb. Kev ntxuav yog yooj yim heev. Cov qauv siv hluav taws xob yog yooj yim siv, yooj yim hauv cov qauv thiab siv tau.

  • Paj ntaub Quilted Stitching PU PVC Synthetic Tawv Npuag Rau Tsheb Rooj & Tsheb Mats

    Paj ntaub Quilted Stitching PU PVC Synthetic Tawv Npuag Rau Tsheb Rooj & Tsheb Mats

    PVC lub tsheb mats tsis yog-plam, hnav-tiv taus thiab yooj yim los ntxuav. Cov khoom no ua tau zoo nyob rau hauv lub teeb muaj zog thiab kub ib puag ncig, yog corrosion-resistant thiab UV-resistant, thiab yog haum rau lub teeb muaj zog thiab kub ib puag ncig. Tsis tas li ntawd, PVC mats tuaj yeem thaiv cov suab nrov thiab cov ntxhiab tsw ntawm sab nraum lub tsheb.

  • Kub Muag Siv Rau Tsheb Rooj Npog Thiab Tsheb Pem Hauv Ntej Mats Siv Los Ntawm Customized Xim Paj Ntaub Pvc Tawv

    Kub Muag Siv Rau Tsheb Rooj Npog Thiab Tsheb Pem Hauv Ntej Mats Siv Los Ntawm Customized Xim Paj Ntaub Pvc Tawv

    Kev ceev faj rau lub tsheb lev
    (1) Yog tias cov mats puas, tsis sib xws, lossis deformed, lawv yuav tsum tau hloov raws sijhawm;
    (2) Yog tias muaj cov stains ntawm cov mats uas tsis tau ntxuav hauv lub sijhawm tom qab kev teeb tsa;
    (3) Cov mats yuav tsum tau kho nrog buckles;
    1. Tsis txhob muab ntau txheej ntawm lub tsheb lev
    Ntau tus tswv tsheb khaws lawv lub tsheb nrog cov ntaub pua tsev qub. Txij li thaum qhov zoo ntawm thawj lub tsheb lev yog qhov nruab nrab, lawv yuav yuav cov ntaub pua tsev zoo dua los tso rau ntawm cov ntaub pua tsev qub. Qhov no yeej tsis muaj kev nyab xeeb heev. Nco ntsoov tshem cov qub tsheb mats, tom qab ntawd muab cov ntaub pua tsev tshiab, thiab nruab cov buckles kev nyab xeeb.
    2. Ntxuav thiab hloov cov ntaub pua tsev tsis tu ncua
    Txawm hais tias lub tsheb mats zoo npaum li cas, lawv tuaj yeem ua rau pwm loj hlob nyob rau lub sijhawm, thiab plua plav thiab av tau yooj yim sau rau hauv cov ces kaum. Nyob rau tib lub sijhawm, txhawm rau txhawm rau txuas lub neej ntawm lub tsheb mats, lub tsheb mats tshiab tuaj yeem siv sib hloov nrog cov thawj lub tsheb lev. Tom qab ntxuav, nco ntsoov qhuav lawv nyob rau hauv lub hnub rau 1 ~ 2 hnub.

  • Tsheb Sab Hauv Paj Ntaub Npuag Quilted Synthetic Tawv Nrog Ua Npuas Ncauj Rau Upholstery Tsheb Rooj Npog

    Tsheb Sab Hauv Paj Ntaub Npuag Quilted Synthetic Tawv Nrog Ua Npuas Ncauj Rau Upholstery Tsheb Rooj Npog

    Cov yam ntxwv thiab kev siv ntawm lub tsheb lev tawv feem ntau suav nrog kev tiv thaiv ib puag ncig thiab kev noj qab haus huv, yooj yim los ntxuav, noo noo-pov thawj thiab tiv thaiv zoo li qub, nplaim retardant, suab rwb thaiv tsev, ntau txheej waterproof khoom, thiab lwm yam, uas tsim nyog rau lub tsheb interiors los txhim kho. tsav tsheb kev nplij siab thiab kev nyab xeeb. cov
    Rau qhov tseem ceeb ntawm lub tsheb lev tawv yog raws li nram no: Kev tiv thaiv ib puag ncig thiab kev noj qab haus huv: Nws tsis muaj cov pa roj carbon monoxide, xws li plasticizers, cov kuab tshuaj (toluene) thiab PVC cov hlau hnyav hnyav, ua kom muaj kev nyab xeeb. Disc-shaped high edge design: Tiv thaiv cov xuab zeb, av nkos, thiab daus los ntawm kev ntws thiab ua paug rau lub tsheb. Lub teeb yuag: yooj yim los ntxuav. Tsis muaj kev tawg: Nws muaj suab rwb thaiv tsev, ya raws-pov thawj, tiv thaiv zoo li qub, nplaim hluav taws, yooj yim los ntxuav cov yam ntxwv, thiab muaj zog tag nrho. Tawv ntaub: Multi-txheej zoo ib puag ncig tus phooj ywg poob siab absorbing thiab suab rwb thaiv tsev ntaub ntawv muab ib tug ntau xis xis ko taw. Cov khoom siv tsis muaj dej ntau txheej: Cov stains thiab cov roj stains tuaj yeem muab so nrog ib daim ntaub ntub dej los yog yaug nrog dej huv, uas yooj yim los tswj.
    Lub hom phiaj ntawm lub tsheb lev tawv yog tsuas yog siv rau lub tsheb sab hauv, tshwj xeeb tshaj yog lub tsheb hauv pem teb lev, uas tuaj yeem txhim kho kev nplij siab thiab kev huv ntawm lub cab. Nws cov khoom siv ntau txheej dej tsis zoo ua rau kev tu yooj yim thiab ceev. Tsuas yog so nrog ib daim ntaub ntub dej los yog yaug nrog dej. Nws yog heev haum rau siv hauv tsev. Tsis tas li ntawd, cov yam ntxwv ntawm ib puag ncig thiab kev noj qab haus huv ntawm lub tsheb lev tawv kuj ua kom cov huab cua zoo hauv lub tsheb, muab kev noj qab haus huv thiab xis nyob rau kev tsav tsheb rau cov neeg tsav tsheb thiab cov neeg caij tsheb. Nyob rau tib lub sijhawm, nws cov dej noo-pov thawj, tiv thaiv zoo li qub, nplaim hluav taws thiab lwm yam ntxwv kuj ua rau muaj kev nyab xeeb ntawm lub tsheb sab hauv thiab txo kev nyab xeeb xws li hluav taws kub.

  • paj ntaub tawv tsheb pem teb lev yob quilted PVC dag hluavtaws tawv nrog daim txhuam cev

    paj ntaub tawv tsheb pem teb lev yob quilted PVC dag hluavtaws tawv nrog daim txhuam cev

    Cov khoom siv kev ua tau zoo ntawm PVC tawv tawv feem ntau suav nrog lub zog, qhov sib xws ntawm qhov chaw, hnyav ua haujlwm, thiab tsim nyog tev lub zog. cov
    Lub zog: Thaum PVC tawv tawv nkag mus rau hauv qhov cub kom qhuav tom qab txheej, qhov kub thiab txias, yog li nws yuav tsum muaj lub zog txaus, tshwj xeeb tshaj yog tsim kua muag, kom ntseeg tau tias nws yuav tsis tawg thaum siv ntau yam.
    Surface uniformity: Ua kom muaj qee qhov kev tso tawm uniformity thiab gloss, thiab smoothness thiab thickness ntawm daim ntawv tiaj tus yuav tsum ua tib zoo xyuas kom cov tsos thiab zoo ntawm cov khoom.
    Cov kuab tshuaj tiv thaiv: Hauv cov txheej txheem tsim khoom, ntau cov kuab tshuaj feem ntau siv, yog li PVC tawv tawv yuav tsum tsis txhob yaj lossis o kom ruaj khov ntawm cov khoom.
    Tsim nyog tev lub zog: Tso daim ntawv yuav tsum muaj lub zog tev tsim nyog. Yog tias tev tawv heev, nws yuav cuam tshuam rau lub sijhawm uas daim ntawv tuaj yeem rov qab siv tau; Yog hais tias peeling yog ib qho yooj yim heev, nws yog ib qho yooj yim los ua pre-peeling thaum lub sij hawm txheej thiab lamination, uas yuav cuam tshuam rau cov khoom zoo.
    Cov kev ua tau zoo no ua kom cov kav ntev thiab kev ntseeg siab ntawm PVC tawv tawv hauv ntau yam kev thov

  • Paj Ntaub Quilted Sponge Tawv Npuag Tsheb Upholstery Synthetic tawv Rau Lub Rooj Zaum Tsheb Npog Tsheb Mat

    Paj Ntaub Quilted Sponge Tawv Npuag Tsheb Upholstery Synthetic tawv Rau Lub Rooj Zaum Tsheb Npog Tsheb Mat

    Cov khoom tseem ceeb ntawm PVC tsheb lev muaj xws li:
    Cov yam ntxwv nta: PVC lub tsheb lev feem ntau yog tsim los ntawm cov pav ca loj, thiab plaub sab ntawm lub tiaj tus gasket tau tig los ua ib qho disc ntug, tsim cov qauv disc. Qhov kev tsim no ua rau cov lev tuaj yeem tuav cov av nkos thiab cov xuab zeb coj mus rau hauv lub tsheb los ntawm cov khau khau, tiv thaiv lawv los ntawm kev tawg mus rau lwm qhov chaw ntawm lub tsheb, thiab yooj yim los ntxuav thiab ntxuav.
    Kev ua haujlwm ib puag ncig: Cov mats ua los ntawm cov khoom siv PVC tsis muaj tshuaj lom neeg emissions, ua kom muaj kev nyab xeeb ntawm lub tsheb ib puag ncig. Nws tuaj yeem nqus cov plua plav zoo, ua kom huab cua ntshiab, tiv thaiv kab mob ntxeem tau, thiab ua kom muaj kev noj qab haus huv ntawm cov neeg tsav tsheb thiab cov neeg caij tsheb.
    Durability: PVC mats muaj elasticity zoo heev thiab muaj zog durability. Txawm hais tias lawv nyob rau hauv lub zog siab, lawv yuav tsis tsim creases. Lawv haum zoo nrog lub tsheb phab ntsa thiab txuas lawv lub neej kev pab cuam.
    Yooj yim los ntxuav: PVC mats yog yooj yim thiab yooj yim los ntxuav. Lawv tsuas yog yuav tsum tau muab yaug thiab qhuav sai sai, thiab koj yuav tsis hnov ​​​​qhov tsis xis nyob hauv koj txhais taw txawm tias koj tsav tsheb ntev.
    Tus nqi-zoo: PVC mats feem ntau pheej yig dua thiab tsim nyog rau cov neeg siv khoom siv nyiaj tsawg. Nyob rau tib lub sijhawm, PVC mats muaj cov xim nplua nuj thiab tuaj yeem xaiv raws li qhov nyiam ntawm cov tswv tsheb, muab ntau yam kev xaiv ntawm tus kheej.
    Hauv cov ntsiab lus, PVC tsheb lev tau dhau los ua qhov kev xaiv ntawm ntau tus tswv tsheb vim lawv cov qauv yooj yim, kev ua tau zoo, kev tiv thaiv ib puag ncig, kav ntev thiab kev siv nyiaj ntau.

  • Tseeb Tsim Paj Ntaub PU PVC Synthetic Tawv nrog ua npuas ncauj rau Tsheb Rooj rau Rooj Tog

    Tseeb Tsim Paj Ntaub PU PVC Synthetic Tawv nrog ua npuas ncauj rau Tsheb Rooj rau Rooj Tog

    PVC tawv yog cov khoom siv hluavtaws, tseem hu ua tawv tawv lossis tawv tawv. Nws yog ua los ntawm polyvinyl chloride (PVC) resin thiab lwm yam khoom siv los ntawm kev ua cov txheej txheem, thiab muaj cov tawv zoo li tawv thiab zoo li. Txawm li cas los xij, piv nrog cov tawv tiag tiag, PVC tawv yog ib puag ncig zoo, yooj yim los ntxuav, hnav-tiv taus, thiab huab cua-resistant. Yog li ntawd, nws tau siv dav hauv rooj tog zaum, tsheb, khaub ncaws, hnab thiab lwm yam.
    Ua ntej tshaj plaws, cov khoom siv raw ntawm PVC tawv feem ntau yog polyvinyl chloride resin, uas yog cov khoom siv yas uas muaj cov yas zoo thiab huab cua tsis kam. Thaum ua PVC tawv, qee cov khoom siv xws li yas, stabilizers, fillers, nrog rau cov xim thiab cov tshuaj pleev xim rau saum npoo yog ntxiv los ua ntau yam thiab kev ua yeeb yam ntawm PVC tawv cov ntaub ntawv los ntawm kev sib tov, calendering, txheej thiab lwm yam txheej txheem.
    Thib ob, PVC tawv muaj ntau yam zoo. Ua ntej tshaj plaws, nws cov txheej txheem tsim khoom yog qhov yooj yim thiab tus nqi qis, yog li tus nqi kuj tseem qis, uas tuaj yeem ua tau raws li qhov xav tau ntawm kev siv ntau. Qhov thib ob, PVC tawv muaj qhov hnav tsis kam thiab huab cua tsis kam, tsis yooj yim rau hnub nyoog lossis deform, thiab muaj lub neej ua haujlwm ntev. Thib peb, PVC tawv yog yooj yim los ntxuav, yooj yim los tswj, tsis yooj yim rau stain, thiab siv tau yooj yim dua. Tsis tas li ntawd, PVC tawv kuj muaj qee yam dej tsis zoo, uas tuaj yeem tiv taus dej yaig rau qee qhov, yog li nws kuj tau siv dav hauv qee lub sijhawm uas xav tau cov khoom tsis muaj dej.
    Txawm li cas los xij, PVC tawv kuj muaj qee qhov tsis zoo. Ua ntej, piv nrog cov tawv tiag tiag, PVC tawv muaj cov huab cua permeability tsis zoo thiab ua rau tsis xis nyob thaum siv mus ntev. Qhov thib ob, kev tiv thaiv ib puag ncig ntawm PVC tawv kuj tseem muaj teeb meem, vim tias cov khoom tsis zoo yuav raug tso tawm thaum lub sijhawm tsim khoom thiab siv, uas yuav cuam tshuam rau ib puag ncig thiab tib neeg kev noj qab haus huv.
    Thib peb, PVC tawv muaj cov yas tsis zoo thiab tsis yooj yim los ua cov qauv peb sab, yog li nws raug txwv rau qee lub sijhawm tshwj xeeb.
    Feem ntau, PVC tawv, raws li cov khoom siv hluavtaws, tau siv dav hauv rooj tog, tsheb, khaub ncaws, hnab thiab lwm yam. Nws qhov zoo xws li hnav tsis kam, huab cua tsis kam thiab kev tu yooj yim ua rau nws hloov cov tawv tiag tiag. Txawm li cas los xij, nws qhov tsis zoo xws li huab cua permeability tsis zoo thiab cov lus nug txog kev tiv thaiv ib puag ncig kuj xav kom peb ua tib zoo saib thaum siv nws, thiab xaiv cov khoom tsim nyog kom tau raws li cov kev xav tau sib txawv.