Dab tsi yog tawv, txuam tawv, PU thiab PVC ntaub?Txoj kev sib txawv yog dab tsi

tawv tawv

Cov tawv tiag tiag yog ib lo lus uas muaj nyob hauv cov khoom lag luam tawv.Nws yog lub npe kev cai rau cov tawv nqaij kom paub qhov txawv ntawm cov tawv hluavtaws.Hauv lub tswv yim ntawm cov neeg siv khoom, cov tawv tiag tiag kuj muaj lub ntsiab lus tsis yog cuav.Nws yog tsuas yog ua los ntawm cov tawv nqaij tsiaj.Muaj ntau hom tawv, ntau hom, sib txawv qauv, sib txawv zoo, thiab cov nqi sib txawv.Yog li ntawd, cov tawv tiag tiag yog lub npe dav dav rau txhua yam tawv nqaij, thiab tseem yog lub cim tsis meej hauv cov khoom lag luam

Los ntawm kev xav ntawm lub cev, txhua tus tsiaj tawv nqaij muaj plaub hau epidermis thiab dermis.Vim hais tias lub dermis muaj reticulated me me fiber bundles, nws muaj ntau lub zog thiab permeability

Lub epidermis yog nyob rau hauv cov plaub hau thiab ze rau sab sauv ntawm lub dermis.Lub thickness ntawm cov epidermis muaj li ntawm cov kab mob epidermal ntawm cov duab sib txawv ntawm cov tsiaj sib txawv.Piv txwv li, lub thickness ntawm nyuj tawv yog 0.5 ~ 1.5% ntawm tag nrho cov thickness;2 ~ 3% rau daim tawv nqaij yaj thiab tshis;Cov nqaij npua yog 2-5%.Lub dermis yog nyob rau hauv lub epidermis, nruab nrab ntawm lub epidermis thiab subcutaneous ntaub so ntswg, thiab yog ib feem ntawm daim tawv nqaij nyoos.Nws qhov hnyav los yog tuab tso nyiaj rau ntau tshaj 90% ntawm cov tawv nqaij nyoos

Daim tawv nqaij sib txuam

Qee cov tawv nqaij yog tsim los ntawm cov tawv nqaij tawg, thiab cov tawv nqaij muaj ntau tshaj 30%.Qhov no yog hu ua daim tawv nqaij blending

Artificial tawv-

Artificial tawv yog thawj qhov hloov pauv tau tsim rau tawv fabrics.Nws yog ua los ntawm PVC, plasticizer thiab lwm yam additives, calendered thiab compounded ntawm daim ntaub.Nws qhov zoo yog pheej yig, nplua nuj xim, thiab ntau tus qauv.Nws qhov tsis zoo yog tias nws yooj yim rau harden thiab embrittle

PU -

PU yog ib hom khoom siv hluavtaws, uas muaj qhov zoo nkauj ntawm tawv thiab ruaj khov heev.Nws txawv ntawm cov tawv tawv.PU hluavtaws tawv yog siv los hloov PVC tawv tawv.Nws tus nqi yog siab dua PVC tawv tawv.Hais txog cov qauv tshuaj, nws yog ze rau cov ntaub tawv.Nws tsis xav tau plasticizer kom ua tiav cov khoom muag, yog li nws yuav tsis ua nyuaj lossis nkig.Nyob rau tib lub sijhawm, nws muaj qhov zoo ntawm cov xim nplua nuj thiab ntau yam qauv, thiab nws cov nqi pheej yig dua li cov ntaub tawv, Yog li nws tau txais tos los ntawm cov neeg siv khoom.

Txoj kev sib txawv ntawm cov tawv tawv thiab tawv tawv PU

Tawv ntaub thiab PVC tawv tawv PU hluavtaws tawv yog txawv los ntawm ob txoj kev: ib qho yog sab nraub qaum ntawm cov ntaub, uas tuaj yeem pom los ntawm sab nraum qab ntawm PVC tawv PU hluavtaws tawv.Lwm qhov yog cov txheej txheem kub kub, uas yog siv cov ntaub me me rau ntawm qhov hluav taws kub, kom cov tawv ntaub yuav tsis yaj, thaum PVC tawv tawv PU hluavtaws tawv yuav yaj.

Qhov sib txawv ntawm PU thiab tawv tawv:

Qhov sib txawv ntawm PVC tawv tawv thiab PU hluavtaws tawv tuaj yeem paub qhov txawv los ntawm kev ntub cov ntaub me me hauv cov roj av rau ib nrab ib teev, thiab tom qab ntawd muab nws tawm.Yog tias nws yog PVC tawv tawv, nws yuav nyuaj thiab nkig.Yog tias nws yog PU hluavtaws tawv, nws yuav tsis nyuaj thiab nkig