![Puas yog gyprock qub muaj asbestos? Puas yog gyprock qub muaj asbestos?](https://i.answers-medical.com/preview/medical-health/13979479-does-old-gyprock-contain-asbestos-j.webp)
Video: Puas yog gyprock qub muaj asbestos?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub tsev tsim los ntawm 1930 thiab 1950 lub Tsib Hlis muaj phab ntsa lossis qab nthab rwb thaiv tsev ua los ntawm asbestos . Hauv cov tsev no asbestos rwb thaiv tsev tau muab tso rau hauv phab ntsa kab noj hniav tom qab ib tug plaster thiab lath los yog plasterboard tiav phab ntsa.
Ua kom pom qhov no, puas qub phab ntsa qhuav puas muaj asbestos?
Kuj hu ua gypsum wallboard los yog ntawv pob zeb , American builders muaj siv phab ntsa cov khoom rau ntau tshaj xya xyoo lawm. Txog rau xyoo 1980, xyaum txhua yam phab ntsa cov khoom tsim muaj asbestos . Keeb kwm, manufacturers ntxiv asbestos fibers rau hauv phab ntsa cov ntaub ntawv los ua kom lawv sib zog, muaj zog thiab tiv taus hluav taws ntau dua.
Ib yam li ntawd, Gyproc puas muaj asbestos? Drywall yog ib qho khoom siv zoo heev rau kev siv. Qhov txaus ntshai tshaj plaws yog plua plav thiab silica raug los ntawm kev xuab zeb. Qub drywall av nkos thiab qee cov gypsum boards tuaj yeem muaj asbestos.
Qhov thib ob, puas qub plaster muaj asbestos?
Plaster tsuas yog yuav tsum muaj 1% asbestos raug suav tias yog ib qho muaj asbestos cov khoom (ACM) thiab yog li muaj kev phom sij rau kev noj qab haus huv. Laus cov hom cement tuaj yeem muaj asbestos fibers nyob rau hauv plaster sib tov. Feem ntau lub tsev tsis ua muaj asbestos plaster hauv lawv.
Thaum twg asbestos siv nyob rau hauv drywall?
Seb puas muaj asbestos hauv koj lub tsev phab ntsa los tsis, feem ntau ntawv pob zeb av nkos (tseem hu ua phab ntsa-sib koom ua ke) uas tau muag thaum xyoo 1940 thiab 1980 muaj asbestos fiber ntau. Cov khoom no tuaj nyob rau hauv ob daim ntawv thiab yog siv mus fuse cov seams nruab nrab phab ntsa panels thaum lawv raug ntsia.
Pom zoo:
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Plaster phab ntsa nrog cov xim pleev xim yog muaj ntau nyob hauv cov tsev qub. Tshem tawm lub lath thiab phab ntsa plaster tsim cov hmoov av ntau, uas txhais tau tias yuav tsum tau saib xyuas zoo kom muaj cov hmoov av thiab tiv thaiv cov neeg ua haujlwm thiab lwm tus los ntawm nqus nws. Kev noj qab haus huv nyob rau lub sijhawm luv ntawm cov tshuaj lom lom suav nrog ntuav, ntuav, tsis nco qab thiab tuag
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