Cov roj ziab: daim ntawv thov, impregnation yam ntxwv

Cov txheej txheem:

Cov roj ziab: daim ntawv thov, impregnation yam ntxwv
Cov roj ziab: daim ntawv thov, impregnation yam ntxwv

Video: Cov roj ziab: daim ntawv thov, impregnation yam ntxwv

Video: Cov roj ziab: daim ntawv thov, impregnation yam ntxwv
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Thaum tsim thiab kho tsev, ntoo feem ntau siv, vim nws yog ib qho ntawm cov khoom siv zoo tshaj plaws. Txawm li cas los xij, txhawm rau kom cov ntoo ntawm koj lub tsev nyob ntev li ntev tau, yog li ntawd lawv tsis raug puas los ntawm fungus thiab kab, lawv yuav tsum tau tiv thaiv. Ib lub cuab yeej xws li ziab cov roj tuaj yeem yooj yim tiv nrog txoj haujlwm no.

drying roj daim ntawv thov
drying roj daim ntawv thov

Impregnation daim ntawv thov

Kev siv cov roj kom qhuav tso cai rau koj ua kom lub neej ntawm cov khoom siv ntoo rau ntau xyoo lawm. Qhov no yog tshwj xeeb tshaj yog muaj tseeb rau rafters, vim hais tias lawv yog tas li raug rau ya raws. Cov roj ziab kom qhuav yog cov khoom siv hluavtaws thiab ntuj tsim, homogeneous nkaus xwb, polydiene, hluavtaws hloov, slate, coumarone-indene, thiab lwm yam. Natural drying oil yog nrov heev. Kev siv cov khoom no yuav tsis ua mob rau tib neeg lossis tsiaj txhu. Tom qab tag nrho, nws yog raws li zaub roj (txog 97%). Impregnation ntawm facade ntoo ntsiab nrog ziab roj tso cai rau koj los tiv thaiv lawv los ntawm qhov kub thiab txias huab cua thiab, ntawm chav kawm, los ntawm atmospheric influences. Thaum ua cov ntoo nto nrog qhov muaj pes tsawg leeg ntawm nwsib qho nyuaj, tab sis tib lub sij hawm elastic tiv thaiv zaj duab xis yog tsim, uas tiv thaiv tsob ntoo los ntawm sab nraud influences, nrog rau cov fungus puas. Ntuj ziab roj yog tsim los ntawm paj noob hlis, taum pauv, roj linseed. Cov khoom lag luam zoo tshaj plaws yog raws li cov roj linseed.

drying roj yam ntxwv
drying roj yam ntxwv

Tam sim no, muaj ntau yam impregnations uas muaj tshuaj lom neeg, nrog zoo heev, los ntawm txoj kev, yam ntxwv. Tab sis tib lub sij hawm, qhuav roj tsis tau poob nws qhov tseeb. Kev siv natural impregnation, ntxiv rau ib puag ncig tus phooj ywg, muaj lwm qhov txiaj ntsig tseem ceeb - qhov no yog qhov pheej yig ntawm cov khoom siv. Yeej, ziab cov roj yog npaj rau kev kho kom zoo nkauj sab hauv, nws siv hauv kev ua haujlwm sab nraum zoov tsuas yog ua rau muaj kev cuam tshuam ib ntus, xav tau txheej txheej ntxiv nrog roj pleev xim, enamel lossis cov kua roj vanish. Hauv kev tsim cov roj pleev xim thiab putties, ziab roj kuj tseem siv. Kev siv cov khoom zoo li no tiv thaiv cov ntoo saum npoo los ntawm kev lwj. Kev siv cov roj ziab kom qhuav ua ntej kev kho mob yuav txo tau cov xim thiab cov kua roj vanish thaum ua cov xim pleev xim. Feem ntau cov khoom siv yog siv rau hauv ob lossis peb txheej, thiab tom qab ntawd lub npoo yog pleev xim rau. Nws tseem pom zoo kom sov lub impregnation mus rau qhov kub ntawm 80-90 degrees Celsius, thiab tom qab ntawd muab nws kub rau tsob ntoo. Yog li, qhov kev nkag tau zoo dua thiab tob dua ntawm qhov muaj pes tsawg leeg rau hauv qhov pores ntawm tsob ntoo yog tiav.

Olifa: impregnation yam ntxwv

roj impregnation
roj impregnation

Tam sim no peb hom roj ziab yog ntau: ntuj, "Oksol" thiab sib xyaw. Natural impregnation muaj 97feem pua ntawm cov roj ntuj, qhov seem peb feem pua yog ib qho desiccant (ib yam khoom uas txhawb kom qhuav sai). Qhuav roj "Oksol" nyob rau hauv nws muaj pes tsawg leeg muaj tsuas yog 55 feem pua cov roj (linseed los yog sunflower), plaub caug feem pua ntawm cov dawb ntsuj plig thiab 5 feem pua desiccant. Xws li impregnation yog pheej yig dua li ntuj. Cov khoom sib xyaw ua ke yog tus cwj pwm los ntawm cov ntxhiab tsw phem; lawv suav nrog cov roj av polymer resins uas ua haujlwm hloov pauv rau cov khoom siv ntuj, nrog rau lwm yam khoom siv petrochemical. Hom roj ziab no yog qhov pheej yig tshaj. Composite impregnations tsis pom zoo siv rau hauv thaj chaw nyob, txawm tias nyob rau ntawm lub sam thiaj, vim tias txawm tias tom qab cov khoom sib xyaw no tau qhuav, tseem muaj cov ntxhiab tsw zoo.

Pom zoo: