2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13
Thaum npaj rau lub caij txias, nws yog ib qho tseem ceeb uas yuav tau xav txog kev tiv thaiv koj lub tsev. Polyurethane polyurethane ua npuas ncauj yuav pab daws cov haujlwm tseem ceeb no yam tsis muaj nqi ntau.
Peculiarities
Polyurethane ua npuas dej sib xyaw ua ke muaj cov tshuaj hydrogen-oxygen ntau thiab cov dej ua kom hnyav. Cov khoom siv hauv paus yog polyol lossis polyisocyanate. Cov muaj pes tsawg leeg ntawm cov ua npuas dej kuj suav nrog kev sib xyaw propane-butane, cov tshuaj uas ua kom nrawm cov txheej txheem tshuaj lom neeg. Cov xim ntawm cov sib xyaw muaj cov xim daj, uas tuaj yeem ua rau tsaus ntuj hauv lub hnub. Cheebtsam ntxiv sib txawv nyob ntawm qhov xwm txheej ntawm nws siv.
Cov muaj pes tsawg leeg muaj nyob hauv cov pa aerosol yooj yim , peb lub hlis twg uas muaj cov pa nkev. Qhov no ua rau nws muaj peev xwm ua tiav kev kho cua sov-rwb thaiv tsev, piv txwv li, txhaws cov pob qij txha lossis nqaws hauv lub sijhawm luv.
Lub hauv paus ntsiab lus ntawm kev ua haujlwm yog ua raws kev sib cuam tshuam ntawm cov khoom nrog huab cua ntub. Ua ntej, cov tshuaj nthuav dav, thiab tom qab ntawd tawv nrog kev tsim cov polyurethane ua npuas ncauj. Nws lub peev xwm los nthuav tawm hauv ntim tso cai rau nws nruj nreem sau ib qho qhib, yog li muab cov rwb thaiv tsev txhim khu kev qha. Tom qab ua npuas dej ua kom tawv, cov ntawv ntsa tuaj yeem ua rau nws los yog plaster lossis putty tuaj yeem thov.
Saib
Muaj ob hom polyurethane ua npuas ncauj: ib qho tivthaiv thiab ob-tivthaiv.
- Ib-tivthaiv qhov sib xyaw sib txawv hauv qhov ntawd thaum nws siv, nws yuav tsum tau ntub dej. Cov muaj pes tsawg leeg nthuav dav nthuav dav, hauv qee kis muaj kev nthuav dav thib ob.
- Ob-feem qhov sib tov tsis xav tau ntub dej saum npoo. Cov khoom siv muaj lub neej ua haujlwm ntev, ntom ntom ntom ntom ntom, thiab tseem muaj qhov tshwj xeeb los ntawm kev nthuav dav me me.
Cov khoom muag raug muag hauv ob qho
- Hauv thooj voos kheej kheej . Lub foob tau siv los siv lub raj txheem, tsis xav tau cov cuab yeej ntxiv, thiab siv tau yooj yim. Qhov kev xaiv no yog qhov pheej yig tshaj, siv hauv lub neej txhua hnub.
- Hauv rab phom . Lub foob yog siv rab phom. Cov txheej txheem kev tshaj lij ntawm kev siv ua kom ntseeg tau qhov ua tau zoo thiab tseem pab txo qhov nthuav dav. Cov khoom siv tawv nyob rau lub sijhawm luv.
Mounting kua nplaum yog tsim los ntawm:
- rau lub caij ntuj no;
- rau lub caij ntuj sov;
- lub caij so.
Nws yuav tsum nco ntsoov tias rau txhua lub sijhawm muaj ntau qhov kev tso cai kub, uas tau qhia hauv cov lus qhia rau kev siv.
Chaw tsim tshuaj paus
Niaj hnub no, polyurethane ua npuas ncauj los ntawm ntau lub tuam txhab paub zoo yog muag.
- Soudal tuam txhab . Cov khoom lag luam yog tus yam ntxwv zoo, xaiv dav ntawm cov qauv uas tso cai siv ua npuas dej hauv ntau yam xwm txheej ib puag ncig, ntawm tus nqi pheej yig. Txhua yam no tau lees paub ua tsaug rau cov thev naus laus zis tshiab tau nquag nkag mus rau hauv kev tsim cov khoom.
- Dr. Schenk . Lub tuam txhab tsim cov khoom tsim los ntawm cov qauv zoo thiab tus nqi pheej yig. Muaj kev xaiv dav ntawm cov qauv sib txawv ntawm kev ua lag luam rau kev siv hauv tsev thiab kev tshaj lij.
- Kim Tec . Cov khoom lag luam ntawm lub tuam txhab no muaj kev ntseeg tau thiab zoo. Kev sib xyaw muaj rau siv nyob rau ntau qhov xwm txheej kub. Muaj kev xaiv rau tsev lossis kev siv txuj ci.
- Profflex . Cov khoom lag luam ntawm Lavxias lub tuam txhab yog tus yam ntxwv zoo. Kev sib xyaw rau kev tshaj lij, kev siv hauv tsev, nrog rau cov khoom sib xyaw tshwj xeeb tau tsim. Cov kab yog sawv cev los ntawm kev sib xyaw ua kom haum rau ntau qhov kub thiab txias, uas muaj hluav taws tiv taus thiab cov nplaum zoo.
Kev qhia tshwj xeeb
Polyurethane ua npuas ncauj muaj tus lej ntawm cov khoom tseem ceeb uas ua rau nws tsis tseem ceeb hauv ntau kis. Kev paub txog cov yam ntxwv ntawm cov khoom tso cai rau koj kom ua tiav qhov tshwm sim zoo tshaj plaws.
Polyurethane ua npuas ncauj yog tus yam ntxwv los ntawm:
- zoo suab rwb thaiv tsev;
- txhim khu kev qha rwb thaiv tsev;
- ceev;
- lub zog;
- kev pab lub neej ntev;
- zoo adhesion;
- ceev solidification;
- hluav taws tsis kam;
- conductivity;
- tiv thaiv pwm;
- ua siab ntev rau kev hloov pauv kub;
- kev phooj ywg zoo;
- kev ruaj ntseg;
- yooj yim ntawm kev siv.
Nws yuav tsum nco ntsoov tias cov dej tsis sib haum yuav tsum tau tiv thaiv los ntawm ultraviolet rays, vim lawv pab txhawb kev puas tsuaj ntawm cov khoom hauv lub sijhawm luv. Yog li ntawd, ua npuas dej tau npog nrog xim, plaster, putty. Nws yuav tsum tau sau tseg ntawm no tias polyurethane tsis sib raug zoo nrog silicone, polyethylene, Teflon.
Txij li qhov sib tov nqus tau cov kua zoo, nws yuav tsum tau tiv thaiv los ntawm ya raws. Qhov no yog ua tiav nrog cov khoom tiv thaiv dej. Nws tseem yuav tsum tau nco ntsoov tias tom qab tawv tawv, cov khoom tuaj yeem ua xim.
Scope ntawm daim ntawv thov
Lub hom phiaj tseem ceeb ntawm kev ua npuas dej yog txhawm rau sau cov voids, pob qij txha, kab nrib pleb hauv cov qauv uas twb tau teeb tsa. Nws yog siv rau kev ua haujlwm sab hauv thiab sab nraum zoov.
Polyurethane yog siv:
- thaum txhim kho qhov rais, insulating thav duab;
- rau rwb thaiv tsev ntawm thaj chaw, suav nrog lub sam thiaj;
- rau rwb thaiv tsev ru tsev;
- raws li kev nce hauv cov khoom cua sov rwb thaiv tsev ntawm hauv pem teb, lub hauv paus;
- thaum insulating partitions, qhov rooj;
- txhawm rau txhawm rau tiv thaiv cov cua sov thiab cov tshuab dej;
- hauv kev tsim cov rooj tog, khoom siv hauv tsev;
- rau kho phab ntsa panels;
- rau gluing nto;
- rau kho cov ntaub ntawv insulating xws li ua npuas ncauj;
- txhawm rau txo suab nrov thaum ua haujlwm ntawm lub tshuab cua txias, cov cua sov ua haujlwm;
- rau kev sib khi kab noj hniav ntawm cov raj xa dej, cov pob qij txha ntawm lub hoods, cais cov tshuab;
- hauv kev tsim cov duab zoo nkauj;
- polyurethane yog ib feem ntawm cov khoom siv hluavtaws xws li spandex, lycra.
Nrog kev pab los ntawm kev sib xyaw ua ke, cov nplaim uas muaj iav, hlau, ntoo, pob zeb lossis pob zeb tuaj yeem tiv thaiv tau.
Cov txiaj ntsig ntawm kev siv
Lub tshuab foob yog siv los thaiv ib chav los ntawm kev sau qhov khoob. Qhov loj ntawm kab noj hniav tuaj yeem yog los ntawm 1 txog 8 cm inch.
Ua npuas dej yuav tsum tau siv rau saum npoo kom zoo, zam kev txav chaw sai, thaum tswj hwm qhov nrawm. Ua ntej ua haujlwm, lub hauv paus yuav tsum tau ntxuav ntawm cov av, cov khoom txawv teb chaws, kho nrog dej.
Co lub peev xwm ua ntej thov lub foob. Nws yog ib qho tseem ceeb los xav txog qhov tseeb tias ua npuas ncauj nthuav dav thaum nws kho. Yog li ntawd, tus nqi ntawm cov khoom siv yuav tsum tau suav kom raug raws li qhov ua tau.
Thaum ua ntawv thov ua npuas dej, lub kaus poom yuav tsum tau tuav upside down . Kev ua haujlwm ntawm kev tiv thaiv ntawm qhov chaw ntsug tau ua tiav hauv kev taw qhia los ntawm hauv qab. Ua kom tiav cov khoom khov kho tshwm sim tom qab li 8 teev. Txog rau thaum kawg ziab cov khoom, nws tsis pom zoo kom kov nws nrog koj txhais tes.
Txhua txoj haujlwm yuav tsum tau ua hauv cov khoom tiv thaiv. Txhawm rau tiv thaiv cov tshuaj los ntawm kev nkag mus rau lub qhov muag, tsom iav tshwj xeeb tau siv. Hnab looj tes tau siv los tiv thaiv tes. Yog tias muaj kev sib chwv nrog daim tawv nqaij lossis cov hnoos qeev, yaug saum npoo nrog dej ntau.
Qhov yuav tshwm sim yog tias cov lus qhia rau siv tsis ua raws
Nrog kev siv tsis raug cai, koj yuav ntsib teeb meem xws li:
- shrinkage ntau dhau;
- cov tsos ntawm npuas;
- kis cov teeb meem hla saum npoo;
- qhov nyuaj ntawm kev tso cov khoom siv;
- ntub pas.
Cov laj thawj no feem ntau tshwm sim vim tsis ua raws li qhov ntsuas kub, muaj cov khoom tsis zoo hauv cov ua npuas dej. Cov yam ntxwv ntawm cov tshuaj uas siv los ua kom lub sijhawm tawv tawv tuaj yeem cuam tshuam tsis zoo. Lub hauv paus uas tsis tau npaj ua ntej yuav tseem cuam tshuam nrog kom tau txais qhov zoo.
Nws yog qhov tsim nyog los saib xyuas qhov kub ntawm lub tog raj kheej nws tus kheej, vim tias ua kom sov nws mus rau 50 degrees tuaj yeem ua rau tawg.
Ua ntej ua haujlwm kho qhov rwb thaiv tsev ntawm chav tsev ntawm koj tus kheej, koj yuav tsum ua tib zoo kawm cov lus qhia rau kev siv, thiab tseem ntsuas me me ntawm cov tshuaj hauv thaj chaw me me.
Yog tias koj muaj lus nug, koj yuav tsum sab laj nrog cov kws tshaj lij lossis tso siab rau txhua txoj haujlwm rau lawv. Qhov no yuav pab koj kom tau txais qhov txiaj ntsig xav tau hauv lub sijhawm luv.
Cov Lus Qhia Xaiv
Thaum yuav lub foob, koj yuav tsum tau them sai sai rau hnub tso tawm ntawm cov khoom, nrog rau sab nraud tsis xws, piv txwv li, hnyav, pob nruj. Nws yuav tsum tau nco ntsoov tias lub txee lub neej tuaj yeem yog los ntawm ib mus rau ib thiab ib nrab xyoo. Lub zais pa hnyav txog 900 grams.
Ua npuas ncauj yuav tsum tau xaiv raws li lub caij nyoog . Koj tuaj yeem xaiv qhov kev xaiv siv rau lub caij ntuj sov, lub caij ntuj no lossis yuav khoom ua npuas txhua lub caij.
Nws yuav tsum raug sau tseg tias lub caij ntuj sov suav nrog huab cua sov los ntawm 5 degrees siab dua xoom. Nyob rau tib lub sijhawm, qhov kub ntawm daim cartridge nws tus kheej yuav tsum yog yam tsawg 10 degrees siab dua xoom. Hauv lub caij txias, cov khoom sib xyaw tshwj xeeb tau siv los ua kom cov khoom sib zog ua kom ruaj khov. Thaum xaiv ua npuas dej rau hom caij so, nco ntsoov tias nws tuaj yeem siv tau ntawm qhov kub tsawg kawg rho tawm 10 degrees. Qhov kub ntawm lub tog raj kheej nws tus kheej yuav tsum yog yam tsawg 5 degrees siab dua xoom.
Ib qho ntawm cov txheej txheem zoo ntawm kev muaj pes tsawg leeg yog qhov tsis muaj ua npuas dej los ntawm qhov chaw ntsug. Thaum ua kom khov, nws yuav tsum tau them sai sai rau cov qauv ntawm cov khoom. Qhov me me ntawm qhov me me, siab zog lub zog, tiv taus ya raws, thiab cov yam ntxwv nplaum.
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