Hauv kev ua npuas khw pu npuas, nws tau muab faib ua ob hom: phau ntawv hom thiab rab phom. Yog tias koj tsis paub tias PU ua npuas ncauj yog qhov zoo, koj yuav tau kawm zoo los ntawm cov hauv qab no.
Txheeb xyuas cov phom phom
Yog tias nws yog phom-hom PU ua npuas, tshuaj xyuas seb cov kua nplaum yog tus du thiab seb cov ua npuas ncauj zoo tagnrho. Nquag, foam yuav tsum tsis txhob nyias lossis tuab heev, txwv tsis pub nws yuav cuam tshuam cov nyhuv sau.
Ntsuam xyuas koj tus kheej
Ua ntej kev yuav khoom, koj tuaj yeem txau pu ua npuas ncauj ntawm cov ntawv xov xwm kom pom yog tias qhov xaus ntawm cov npaus yog nqa. Thaum qhov no tshwm sim, foam shrinkage yog siab dhau. Yog tias tsis muaj kev ntaus rog, nws txhais tau tias cov npaus yog qhov zoo thiab muaj peev xwm ua tau. Kev koom tes nrog cov khoom siv muaj zog, tsis yog tuaj yeem tsom rau cov kev tshawb fawb pU ua npuas, tab sis kuj tau siv hluav taws xob ua npuas, tab sis kuj tau siv hluav taws xob, kev siv hluav taws xob, qib siab ceev thiab lwm yam lag luam.
Saib ntawm lub ntsej muag ntawm cov npaus
Txhawm rau xaiv cov khoom ua npuas zoo dua, nws raug nquahu kom txiav cov npaus thiab saib. Tshawb xyuas seb cov qauv sab hauv yog khaub ncaws zoo thiab zoo. Yog tias lub hlwb loj, lub ntom ntom tsis zoo thiab nws tsis haum rau kev yuav khoom.
Soj ntsuam cov ua npuas ncauj
Ua tibzoo saib kom ze rau saum npoo ntawm npaus, cov npuas dej zoo muaj qhov chaw du thiab ci ci, tsis yog ua npuas zoo li cov hmoov av zoo. Saib ntawm qhov loj me ntawm lub cell, cov npaus zoo yog puag ncig thiab tag nrho, thaum tus ua npuas dej tsis zoo thiab tsaus muag, thiab tsis muaj tus nqi siv siab.
Kov cov ua npuas ncauj
Sim nrog koj txhais tes kom pom yog tias tus npuas yog ywj. Ua npuas ncauj zoo muaj elasticity zoo, thaum tsis zoo ua npuas ncauj xav tias nyuaj thiab muaj tus brittleness uas tsis tuaj yeem tiv taus sab nraud extrusion.
Lub Sijhawm Post: Sep-15-2022