EVA khoom yog dab tsi?

Thaum muas khoomkhau khiab thiab lwm yam khau khau,zoo li khau khiab los yog clogs, ib qho ntawm cov lus nug feem ntauuasneeg muaj nug yog hais txogkhoom—tshwj xeeb, EVA yog dab tsi? EVA ib leeg yog khau khau nrog ntau yam txiaj ntsig uas ua rau nws lub hauv paus zoo tagnrho rau slippe uars.Cias muab, ib qho EVA ib leeg yog ib qho khau yas uas tuaj yeem sib dua thiab hloov tau ntau dua li roj hmab.Qhov no tsuas yog qhov chaw ntawm cov khau no yog dab tsi thiab lawv cov txiaj ntsig ntawm EVA slippyog ers.

 EVA, tshuaj hais lus, yog Ethylene-Vinyl Acetate, ib qho elastic co-polymer zoo ib yam li roj hmab thiab kuj siv hauv tsev thiab kev siv hauv tsev.EVA yog suav tias yog ib puag ncig tus phooj ywg nyob rau hauv uas nws tsis't siv cov tshuaj chlorine hauv nws cov khoom, thiab tuaj yeem rov ua dua rau hauv cov khoom xws li chaw ua si lossis cov ntaub pua tsev.Vim nws yog tib neeg tsim thiab tsiaj tus phooj ywg, nws yog feem ntau siv hauv khau vegan.EVA muab cushion, caij nplooj ntoos hlav (rebound), thiab yog resistant rau hardening thiab cracking.Nws kuj tiv thaiv UV hluav taws xob, tsis't nqus dej, thiab nyob twj ywm hauv qhov txias, txhua yam ua rau nws muaj txiaj ntsig zoo rau cov khau sab nraum zoov.Mos thiab saj zawg zog, EVA yog technically ua npuas ncauj es tsis txhob roj hmab, vim nws yog tsim los ntawm expanding yas thiab ntxiab hnab ris ntawm roj (cua) nyob rau hauv ntau yam ntom ntom.Feem ntau khiav thiab xws li khautawmsoles yog tsim los ntawm EVA.Nyob rau hauv xyoo tas los no, ob peb hom tau tig mus rau PU (polyurethane) los tsim kom muaj zog duatawmib leeg technology, tshwj xeeb tshaj yog nyob rau hauv backpacking khau boots.Tab sis EVA tseem tau pom tias muaj kev rov qab ntau dua, thaum ncav nws qhov kawg-lub neej (compression) sai dua PU.Koj'Yuav pom ntau lub npe khiav siv cov khoom sib xyaw ua ke ntawm cov roj hmab sib xyaw nrog EVA.Thiab thaum lub lag luam khau khiav tiag tiag innovated EVA midsole, nws yog tam sim no siv dav hauv yuav luag txhua hom khau, suav nrog, yog tias tsis yog, khau khiab.Ib qho EVA ib leeg tsis tsuas yog muab cov lus hais saum toj no rov qab thiab cushion, tab sis nws tiv thaiv ko taw los ntawm kev cuam tshuam thaum txhua ko taw tsoo hauv av.Kev rov qab los ntawm EVA pab koj tawm ntawm txhua txoj kev.Tab sis zoo li txhua yam zoo, EVA ua tiav.Thaum lub sij hawm, EVA yuav compress thiab xoob nws rebound, thaum lub sij hawm nws yuav tsum tau hloov.Ntawm cov khau khiav, nws yuav siv li 300 mais mus txog qhov no.Ntawm lwm cov khau, Qhov no feem ntau tshwm sim ntawm nws compresses, poob nws rebound, thiab thaum kawg mus txog qhov chaw uas nws yuav tsum tau hloov, feem ntau tom qab nyob ib ncig ntawm 300 mais ntawm ib tug khiav khau.Qhov no txawv ntawm qhov tseeb ntawm qhov hnyav npaum li cas tus neeg siv, lawv txoj kev taug thiab hom mais twg lawv muab tso rau ntawm khau.EVA midsoles feem ntau yog txhaj tshuaj molded.Txhawm rau ua kom muaj zog ntau dua, ntau tus tsim khau siv compression-molded EVA midsoles.Nyob rau hauv cov txheej txheem no, EVA yog pressurized nyob rau hauv ib tug pwm kom lub midsole-rau-tau tsim ib tug tuab txheej ntawm daim tawv nqaij.Qhov no ntxiv lub neej rau midsole, torsional qauv, thiab tso cai rau embellishments xws li xim, designs thiab logos.Siv EVA, cov tuam txhab tsim khoom kuj tuaj yeem tsim cov thicknesses sib txawv thiab qhov ntom ntom, ntxiv cov cushion nyob rau hauv lub pob taws, ib txheej softer rau saum txheej nyuaj, thiab dab tsi hu ua“tshaj tawm”los tiv thaiv pronation ntawm ko taw thaum taug kev thiab khiav.Thaum kawg ntawm hnub, tsuas yog paub tias EVA yog cov mos mos, squishy txheej ntawm sab sauv thiab sab hauv ntawm koj cov khau uas muaj nyob tiv thaiv koj thiab ntxiv me ntsis caij nplooj ntoos hlav rau koj cov kauj ruam.