Nyob rau hauv lub neej niaj hnub, peb feem ntau tuaj mus rau hauv kev sib cuag nrog ntau yam rwb thaiv tsev thawv, ntawm uas EPP rwb thaiv tsev thawv thiab EPS ua npuas ncauj thawv yog ntau dua. Tab sis koj puas to taub qhov txawv ntawm lawv? Niaj hnub no, cia peb tshawb nrhiav qhov sib txawv ntawm ob lub thawv rwb thaiv tsev no hauv qhov tob kom muab cov ntaub ntawv tseeb dua rau koj xaiv.
1. Cov khoom siv sib txawv
EPP rwb thaiv tsev lub thawv siv cov khoom siv foamed polypropylene, uas muaj qhov zoo ntawm lub teeb tshwj xeeb lub ntiajteb txawj nqus, zoo elasticity, poob siab thiab compression tsis kam, siab deformation rov qab tus nqi, thiab kev ua haujlwm zoo.
Nws kaw -cov qauv ntawm tes ua rau nws zoo heev nyob rau hauv waterproofness thiab noo noo tsis kam, thiab nws muaj peev xwm tswj tau zoo rwb thaiv tsev kev ua tau zoo txawm nyob rau hauv ib qho chaw ntub dej. Ntxiv mus, cov khoom siv EPP tsis yooj yim rau hnub nyoog tom qab siv sijhawm ntev - thiab muaj kev ua haujlwm siab.
Hauv qhov sib piv, EPS ua npuas ncauj lub thawv yog ua los ntawm polystyrene ua npuas ncauj. Nws muaj kev ntxhib los mos, tsis tshua muaj zog, thiab yooj yim tawg, tshwj xeeb tshaj yog thaum nyem los yog sib tsoo.
Txawm li cas los xij, nws muaj cov rwb thaiv tsev zoo thiab tsis muaj zog, thiab tuaj yeem tiv thaiv cov khoom hauv lub thawv rau qee yam.
2. Txawv rwb thaiv tsev kev ua tau zoo
Cov nyhuv rwb thaiv tsev ntawm EPP rwb thaiv tsev lub thawv yog zoo heev. Vim nws qhov tshwj xeeb kaw- qauv ntawm tes, nws tuaj yeem tiv thaiv kev ua haujlwm, convection thiab hluav taws xob ntawm tshav kub, yog li qhov kub hauv lub thawv tuaj yeem khaws cia ntev ntev.
Feem ntau hais lus, lub sij hawm rwb thaiv tsev ntawm EPP rwb thaiv tsev lub thawv yog li 30% mus rau 50% ntev dua li ntawm EPS npuas lub thawv.
Txawm hais tias EPS ua npuas ncauj lub thawv kuj muaj qee qhov rwb thaiv tsev thiab rwb thaiv tsev kub, vim nws cov qauv xoob, cov cua sov tau yooj yim poob los ntawm huab cua convection thiab lwm yam txhais tau tias, yog li cov rwb thaiv tsev kev ua tau zoo me ntsis qis dua. Nyob rau hauv lub sij hawm uas xav tau kev rwb thaiv tsev siab, EPP rwb thaiv tsev lub thawv feem ntau yog ib qho kev xaiv zoo dua.
3. Qhov sib txawv loj hauv kev tiv thaiv ib puag ncig
Los ntawm qhov kev xav ntawm kev tiv thaiv ib puag ncig, EPP rwb thaiv tsev lub thawv muaj qhov pom tseeb zoo. Cov khoom siv EPP tuaj yeem siv rov ua dua thiab rov siv dua, muaj kev tiv thaiv ib puag ncig zoo, tuaj yeem degraded nyob rau hauv ib puag ncig ntuj, yuav tsis ua rau ntev - muaj kuab paug rau ib puag ncig, thiab ua tau raws li cov kev xav tau ntawm lub neej niaj hnub rau kev tiv thaiv ib puag ncig.
EPS npuas lub thawv yog hu ua "dawb paug" vim tias nws nyuaj rau degrade ib txwm muaj thiab yuav muaj nyob hauv ib puag ncig rau ntau pua xyoo. Kev siv ntau ntawm EPS ua npuas ncauj lub thawv yuav ua rau muaj kev kub ntxhov rau ib puag ncig thiab ua rau lub ecological puas tsuaj.
4. Kev nyab xeeb muaj nws tus yam ntxwv
EPP lub thawv rwb thaiv tsev tsis yog - tshuaj lom thiab tsis muaj ntxhiab, muaj tshuaj lom neeg ruaj khov, thiab yuav tsis tso cov tshuaj phem. Nws kuj muaj kev nyab xeeb siv txawm tias nyob rau hauv qhov kub thiab txias ib puag ncig thiab tsis muaj teeb meem rau tib neeg kev noj qab haus huv.
EPS ua npuas ncauj lub thawv muaj kev nyab xeeb nyob rau hauv qhov kub thiab txias, tab sis nyob rau hauv qhov kub thiab txias los yog nyob rau hauv kev sib cuag nrog tej yam organic solvents, lawv yuav tso tawm tej yam teeb meem xws li styrene monomers, uas poses tej yam kev nyab xeeb.
Yog li ntawd, thaum siv EPS ua npuas ncauj lub thawv, koj yuav tsum tau xyuam xim kom tsis txhob muaj qhov kub thiab txias thiab tiv thaiv cov khoom tsis zoo.
5. Txawv durability
EPP rwb thaiv tsev lub thawv muaj lub zog siab thiab tawv, thiab tuaj yeem tiv taus qee qhov cuam tshuam sab nraud yam tsis muaj kev puas tsuaj yooj yim. Nws tuaj yeem siv tau ntau zaus thiab muaj lub neej ua haujlwm ntev, uas haum rau kev siv sijhawm ntev - siv sijhawm ntev thiab kev thauj mus los tsis tu ncua.
EPS ua npuas ncauj lub thawv yog nkig thiab yooj yim tawg thaum thauj los yog siv. Feem ntau hais lus, nws tsuas yog siv tau ib zaug lossis ob peb zaug thiab muaj qhov tsis zoo. Yog tias koj xav tau siv lub thawv rwb thaiv tsev ntau zaus, EPP lub thawv rwb thaiv tsev yog qhov tsis xav tau kev xaiv ntau dua thiab pheej yig dua.
6. Tus nqi sib txawv
Vim yog cov txheej txheem ntau lawm thiab kev ua tau zoo ntawm EPP cov ntaub ntawv, nws cov nqi tsim khoom feem ntau yog siab dua li ntawm EPS ua npuas ncauj thawv. Qhov no yog vim li cas nyob rau hauv kev ua lag luam, tus nqi ntawm EPP rwb thaiv tsev thawv yog feem ntau kim dua EPS ua npuas ncauj thawv.
Txawm li cas los xij, xav txog qhov zoo ntawm EPP lub thawv rwb thaiv tsev nyob rau hauv cov nqe lus ntawm durability, rwb thaiv tsev kev ua tau zoo thiab kev tiv thaiv ib puag ncig, nws yuav zoo dua los ntawm kev xav ntawm kev siv sijhawm ntev -.
Hauv cov ntsiab lus, muaj qhov sib txawv ntawm EPP rwb thaiv tsev lub thawv thiab EPS npuas lub thawv hais txog cov khoom siv, kev ua haujlwm rwb thaiv tsev, kev tiv thaiv ib puag ncig, kev nyab xeeb, ruaj khov thiab nqi. Thaum xaiv lub thawv rwb thaiv tsev, peb tuaj yeem xaiv raws li peb cov kev xav tau tiag tiag thiab cov xwm txheej siv.