Cov txheej txheem:
- Thaum twg urea formaldehyde ua npuas ncauj thaiv thaiv?
- Vim li cas urea formaldehyde ua npuas ncauj rwb thaiv tsev ua rau muaj kev phom sij?
- Puas muaj formaldehyde hauv npuas rwb thaiv tsev?
- Koj tuaj yeem ntes urea formaldehyde ua npuas ncauj rwb thaiv tsev li cas?
Video: Thaum twg urea formaldehyde ua npuas ncauj rwb thaiv tsev txwv uk?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Rov qab rau 1982, thaum Consumer Products Safety Commission tau txwv cov khoom siv ib ntus, formaldehyde tau suav tias yog "qhov tshwm sim ntawm tib neeg carcinogen," tab sis cov lus ceeb toom txaus ntshai tau hloov kho mus rau "paub paub. carcinogen. "
Thaum twg urea formaldehyde ua npuas ncauj thaiv thaiv?
Nws tau siv kwv yees li ib nrab lab tsev nyob hauv North America. UFFI raug txwv hauv Canada hauv 1980, thiab ob xyoos tom qab ntawd nws raug txwv hauv Tebchaws Meskas vim kev ntshai txog kev tawm ntawm cov pa phem ntawm formaldehyde, ua rau khaus thiab muaj peev xwm ua rau cov pa roj carbon monoxide.
Vim li cas urea formaldehyde ua npuas ncauj rwb thaiv tsev ua rau muaj kev phom sij?
Kev noj qab haus huv tsis zoo cuam tshuam nrog formaldehyde, tshwj xeeb hauv kev ua haujlwm, suav nrog khaus ntawm qhov muag, qhov ntswg, thiab caj pas. Nws tuaj yeem ua rau bronchial spasm thiab pulmonary irritation, tshwj xeeb tshaj yog nyob rau hauv cov neeg rhiab heev (xws li mob hawb pob).
Puas muaj formaldehyde hauv npuas rwb thaiv tsev?
RetroFoam txhaj tshuaj ua npuas ncauj muaj ib kab ntawm formaldehyde tam sim no hauv cov khoom qhuav, tab sis thaum nws sib xyaw hauv peb cov tsheb thauj khoom, formaldehyde dissipates. Qhov no txhais tau hais tias cov khoom ua npuas ncauj tiav rau hauv koj cov phab ntsa yog formaldehyde-dawb.
Koj tuaj yeem ntes urea formaldehyde ua npuas ncauj rwb thaiv tsev li cas?
Saib ntawm cov npuas rwb thaiv tsev xim thiab ua tiav daim tawv nqaij: UFFI ua npuas ncauj yog daj thiab tsis ci, tab sis tej zaum yuav tau khaws dirt lossis plua plav thaum lub sij hawm teeb tsa thaum nws tawm ntawm qhov qias neeg lub tsev kab noj hniav los yog vim muaj hnub nyoog yooj yim thiab raug nws sab nrauv yuav tsaus daj.
Pom zoo:
Puas yog fiberglass rwb thaiv tsev txo suab?
Yog, rwb thaiv tsev pab txo cov suab nrov ntawm sab nraud thiab nruab nrab ntawm qib sib txawv thiab chav hauv koj lub tsev. Qhov tseeb, yog tias cov suab nrov sab nraud zoo li nrov dua li lawv yuav tsum yog, nws yuav yog ib qho qhia tias koj tsis muaj rwb thaiv tsev txaus.
Puas soffits xav tau rwb thaiv tsev?
Yuav teb yooj yim: tsis yog, koj cov soffits yuav tsum tsis txhob raug insulated, thiab muaj caij nyoog uas koj cov rwb thaiv tsev tau puas los ntawm qhov no . Kuv puas yuav tsum thaiv kuv lub eaves? A minimal nyiaj rwb thaiv tsev ntawm lub eaves ua rau lub zog poob, uas yog hmoov tsis, tab sis tsis yog ib qho kev txhawj xeeb loj.
Yuav tsum tau tso cov rwb thaiv tsev?
Phab ntsa rwb thaiv tsev muab koj lub tsev nrog kev ua haujlwm zoo dua thermal thiab txhim kho acoustics, ua rau koj cov qauv sov thiab qhov chaw nyob ntsiag to. Rwb thaiv tsev phab ntsa yuav thaiv cua txias, cua kub, thiab cua txias kom nkag mus thiab tawm hauv lub tsev.
Vim li cas dej hiav txwv ua npuas ncauj?
Hiav txwv ua npuas ncauj thaum yaj cov organic teeb meem hauv dej hiav txwv churned. … Thaum loj hlob ntawm algae lwj nyob rau hauv ntug dej, ntau npaum li cas ntawm decaying algal teeb meem feem ntau ntxuav rau ntawm ntug dej. Ua npuas ncauj ua raws li cov organic teeb meem no yog churned los ntawm nthwv dej .
Kuv puas yuav tsum tso cov npuas npuas ntawm kuv daim di ncauj?
Tib neeg yuav tsum sim tsis txhob tawg lossis tawg ib qho hlwv, vim qhov no tuaj yeem ua rau muaj kev pheej hmoo kis tus kab mob thiab ua rau cov txheej txheem kho kom zoo . Kuv puas tuaj yeem tsim npuas ntawm kuv daim di ncauj? Tus mob khaub thuas yog hlwv uas tshwm sim vim HSV thiab feem ntau tshwm nyob ib ncig ntawm lub qhov ncauj.
