Nyob rau hauv lub ntiaj teb no mov saw thiab logistics system, txheem thawv yog lub hauv paus rau nqa lub ntiaj teb no luam. Lub qhov rooj sealing strips feem ntau yog tus yuam sij kom muaj kev nyab xeeb thiab kev ncaj ncees ntawm cov khoom hauv lub thawv thaum thauj mus los hauv ntau yam xwm txheej. Ntawm ntau cov ntaub ntawv polymer, ethylene propylene diene monomer (EPDM) tau lees paub los ntawm ntau lub tuam txhab thiab cov neeg ua haujlwm thoob ntiaj teb raws li tus qauv kub rau ntim ntim.
Cov qauv molecular zoo ntawm EPDM
Cov qauv tshuaj tshwj xeeb ntawm EPDM muab nws cov qauv tshuaj tshwj xeeb. Nws yog tsim los ntawm copolymerization ntawm ethylene, propylene, thiab ib qho me me ntawm dienes. Qhov kev tsim molecular no coj peb qhov zoo:
1. Tsis tshua muaj tshuaj lom neeg inertness:Cov saw tseem ceeb ntawm EPDM yog saturated thiab tsis muaj ob daim ntawv cog lus, yog li nws muaj zog tiv thaiv ozone, ultraviolet rays, thiab lwm yam, thiab tuaj yeem tiv thaiv roj hmab los ntawm kev laus thiab tawg mus rau lub sijhawm ntev sab nraum zoov.
2. Flexibility thiab qis -kub yooj:Qhov sib ntxiv ntawm propylene txo cov crystallinity ntawm cov polymer, uas tuaj yeem tswj tau zoo elasticity nyob rau hauv ntau yam.
3. Zoo heev hydrophobicity:Nws cov saw hlau molecular tsis muaj -cov yam ntxwv ntawm lub ncov qaumteb qabteb, yog li nws muaj ntuj tiv taus dej, dej vapor, thiab polar tshuaj.
ua tau raws li cov kev cai nruj ntawm tag nrho lub neej voj voog ntawm ntim
Qhov chaw ua haujlwm ntawm cov thawv ntim khoom xav tau ntau dua li cov khoom lag luam zoo tib yam, thiab kev ua haujlwm ntawm EPDM zoo kawg nkaus phim cov kev cov nyom no.
1. Huab cua tsis kam thiab kev laus ua haujlwm
EPDM muaj zog tiv thaiv ozone, ultraviolet rays, oxidation, thiab av noo, thiab txawm tias tom qab lub sij hawm ntev - raug rau lub hnub, tus nqi ntawm lub cev kev ua tau zoo degradation xws li elasticity thiab lub zog yog qis dua li cov roj hmab ntuj thiab lwm yam khoom. Qhov no ncaj qha ua kom ntseeg tau tias lub sealing sawb tseem siv tau thoob plaws hauv nws lub neej.
2. Kub adaptability
EPDM muaj qhov dav tshaj plaws ua haujlwm kub ntawm txhua hom roj hmab. Nws tsis ua nkig thiab tawg nyob rau hauv qhov chaw txias heev, thiab nws tsis poob nws lub peev xwm sealing vim yog softening ntau heev nyob rau hauv cov mob kub heev. Qhov kev ruaj ntseg no tseem ceeb heev rau lub thawv ntim khoom.
3. Tsis tu ncua elasticity
Lub sealing sawb yuav tiv taus txhua hnub ntau qhov qhib thiab kaw ntawm lub thawv. EPDM muaj qhov deformation qis heev nyob rau hauv compression. Nws zoo hnav tsis kam thiab tsim kua muag kuj tuaj yeem tiv thaiv kev sib tsoo thiab kev sib txhuam thaum thauj khoom thiab tshem tawm cov khoom, txuas ntxiv nws lub neej kev pab cuam.
4. Dej tsis kam, tshuaj tiv thaiv, thiab kev nyab xeeb ib puag ncig
EPDM muaj kev tiv thaiv zoo rau dej, dej hiav txwv, tshuaj ntxuav, thiab lwm yam, thiab yuav tsis muaj kev puas tsuaj vim kev nqus dej nthuav dav lossis hydrolysis. EPDM nws tus kheej tsis yog - tshuaj lom thiab tsis muaj ntxhiab, ua raws li kev tiv thaiv kev thauj mus los thoob ntiaj teb.
npog tag nrho cov kev lag luam ntawm cov thawv
1. Txheem ntim cov thawv ntim khoom qhuav:EPDM sealing strips yog tus qauv rau hom ntim no, kom ntseeg tau tias kev ua tau zoo thiab txhim khu kev qha thoob ntiaj teb.
2. Cov thawv txias txias:Feem ntau, foamed EPDM los yog composite sponge sealing strips yog siv los txhim kho rwb thaiv tsev kev ua tau zoo, txo tus choj txias, thiab txo lub zog noj.
3. Tank thawv:Rau cov thawv thauj khoom qee yam tshuaj los yog zaub mov- qib kua, lub qhov rooj ntsaws ruaj ruaj (xws li manhole cover seals) yuav xav tau cov qauv tsim tshwj xeeb ntawm EPDM txhawm rau txhim kho kev tiv thaiv rau chav dej lossis cov xov xwm tshwj xeeb.
4. Tub rog thiab ntim tshwj xeeb:Hauv cov xwm txheej uas xav tau cov nplaim hluav taws ntau dua, EPDM tuaj yeem hloov kho hauv nws cov qauv kom tau raws li UL 94 V-0 lossis cov qauv kev ua tub rog cuam tshuam.
kev khwv nyiaj txiag thiab lub neej voj voog nqi
1. Tsawg tus nqi tu:EPDM muaj kev tiv thaiv kev laus zoo heev, yog li nws yuav txo tau tus nqi txij nkawm vim kev xau, kev puas tsuaj, thiab lwm yam.
2. Ntev hloov lub voj voog:EPDM muaj lub neej ua haujlwm ntev dua, txo qhov zaus ntawm kev sib khi sawb hloov, thiab yog li txo cov nqi zog ntxiv.
3. Kev txuag khoom vaj khoom tsev:Lub qhov dej zoo- khaws cia lub kaw lus yog ib yam khoom tseem ceeb hauv kev ntsuas qhov ntim rau kev muag khoom thib ob.
Yog vim li cas vim li cas EPDM tau dhau los ua tus qauv kub rau lub thawv ntim khoom yog qhov tshwm sim ntawm kev sib koom ua ke ntawm nws cov qauv kev tshawb fawb molecular, kev ua tau zoo ntawm matrix, muaj peev xwm tiv taus qhov huab cua puag ncig, thiab ntev - lub sij hawm pov thawj kev lag luam. Nws tau dhau mus dhau qhov kev xaiv khoom siv thiab tau dhau los ua lub cim ntawm kev ntseeg siab, kev nyab xeeb, thiab kev sib raug zoo thoob ntiaj teb.
Yog tias koj txaus siab rau peb cov khoom,thov koj xav tiv tauj peb txhua lub sijhawm!
