PU cevthiabPA cevyog ob hom hoses nrov siv rau ntau yam kev siv.Thaum ob qho tib si ua haujlwm rau lub hom phiaj ntawm cov kua dej lossis cua hloov mus, lawv muaj qee qhov sib txawv ntawm lawv cov khoom thiab kev ua haujlwm.
Ib qho kev sib txawv ntawm PU hose thiab PA hose yog lawv qhov nyuaj.PU hoses yog softer piv rau lawv PA counterparts.Qhov no softness ua rau PU hoses hloov tau yooj yim dua thiab yooj yim rau maneuver, tso cai rau yooj yim installation thiab siv nyob rau hauv nruj qhov chaw.Ntawm qhov tod tes, PA hoses muaj zog dua, uas ua rau lawv nruj dua thiab tsis yooj yim dua.
Lwm qhov sib txawv tseem ceeb ntawm PU hose thiab PA hose hais txog lawv qhov kub thiab txias.PA hoses muaj qhov kub thiab txias zoo dua piv rau PU tubes.Qhov no ua rau lawv tsim nyog rau cov ntawv thov uas hloov pauv cov kua dej kub lossis cov pa roj sib txuas, nrog rau cov tshuab hluav taws xob siab.Ntawm qhov tsis sib xws, PU hoses tsis tiv taus qhov kub thiab txias, txwv tsis pub lawv siv hauv cov xwm txheej zoo li no.
PU hoses paub txog lawv cov kev ua haujlwm zoo heev.Lawv tuaj yeem tiv taus hnav thiab tsim kua muag, ua rau lawv zoo tagnrho rau cov ntawv thov uas cov hose tuaj yeem tiv nrog cov chaw ntxhib lossis muaj kev cuam tshuam ntau zaus.Cov cuab yeej ntawm PU hoses no ua kom lawv cov kav ntev thiab lub neej ntev, muab lawv ib qho ntug ntawm PA hoses nyob rau hauv cov nqe lus ntawm lub neej ntev.
Nyob rau hauv cov nqe lus ntawm cov tshuaj tiv thaiv, ob qho tib si PU thiab PA hoses muaj kev tiv thaiv zoo rau ntau yam tshuaj.Lawv tuaj yeem tiv taus cov roj, cov kuab tshuaj, cov kua qaub, thiab alkalis, ua rau lawv haum rau ntau yam kev lag luam.Txawm li cas los xij, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias qhov tshwj xeeb tsis kam rau qee yam tshuaj yuav txawv nyob ntawm qhov kev tsim ntawm lub hose, yog li nws yog ib qho tseem ceeb uas yuav tau xaiv hom hose rau cov ntawv thov.
Thaum nws los txog rau tus nqi-zoo, PU hoses zoo li pheej yig dua piv rau PA hoses.Qhov no ua rau lawv muaj kev xaiv nrov rau cov ntawv thov uas muaj kev txwv nyiaj txiag muaj kev txhawj xeeb.Tsis tas li ntawd, PU hoses yog qhov hnyav, uas ua rau kev tuav thiab kev thauj mus los yooj yim dua thiab yooj yim dua.
Hauv cov ntsiab lus, qhov sib txawv ntawm PU hose thiab PA hose nyob rau hauv lawv cov hardness, kub thiab siab tsis kam, puas kuj, tshuaj tsis kam, thiab nqi-zoo.PU hoses yog softer, hloov tau yooj yim, thiab muaj kev puas tsuaj zoo heev, thaum PA hoses muaj qhov kub thiab txias zoo dua.Qhov kev xaiv ntawm ob yog nyob ntawm cov kev cai tshwj xeeb ntawm daim ntawv thov, xws li qhov kub thiab txias, siab, thiab qhov xwm txheej ntawm cov kua dej lossis cov pa xa mus.
Post lub sij hawm: Jun-26-2023