Sealant rau lub tsheb taws - uas yog ib tug zoo dua?

Tam sim no los yog yav tom ntej, txhua txhua lub tsheb tus tswv yuav fim qhov yuav tsum tau los kho lub teeb. Feem ntau, nws yog ua los ntawm tshem lub khob, raws li cov sab nraud ntawm lub diffuser yog tsis mus txog. Tab sis tsis muaj teeb meem dab tsi ua hauj lwm ua, mus cuag ceev ceev thaiv yuav tsum tau siv cov sealant rau lub tsheb taws. Nws siv, hom thiab nta piav tom qab nyob rau hauv no tsab xov xwm.

feature

Yuav ua li cas yog qhov cuab tam? Sealant rau lub tsheb taws - ib yam khoom uas rau lub oligomer los yog polymer caj qaum, muaj cov fillers thiab tua cov neeg ua hauj. Lub hom phiaj - sealing thiab rwb thaiv tsev ntawm cov pob qij txha, sib txuas.
Raws li ib tug tshwm sim, siv cov muaj pes tsawg leeg kom tshaj plaws ob leeg ceev ceev. Sealant rau lub tsheb taws - ib txhij sib khi thiab nplaum. Nws yuav ua tau zoo li ib tug muab tshuaj txhuam thiab kua nyob rau hauv cov hlab, yob los yog aerosol. Tiam sis ua ntej tej yam uas ua ntej.

Qhov twg thov li cas?

Kho thiab hloov ntawm lub qhov rais teeb - tsis yog kev tshwm sim uas yuav siv ib tug sealant rau lub tsheb taws. Yog li, xws li ib tug muaj pes tsawg leeg feem ntau yog siv thaum nyob hauv lub headlight unit. Qhov no tej zaum yuav teeb linzovannaya caij bixenon thiab lwm yam kev hloov nyob rau hauv optics. Tab sis yog hais tias raws li nws tej zaum yuav, nyob rau hauv cov ntaub ntawv ntawm parsing teeb yuav tsum tau muab nws nrog lub siab tshaj plaws kev ncaj ncees, txwv tsis pub nws yuav mus txuas ntxiv los hws. Nyob rau hauv thaiv npoo tsim dej condensate. Thaum lub sij hawm, nws yuav corrode lub lens. Zoo Teeb pom kev zoo rau headlamp misted noticeably zuj zus. Thiab yog hais tias nws yog tseem yas, nws yuav ua pos huab los ntawm lub sab hauv thiaj li hais tias tsis muaj nyiaj ntawm polishing yuav cawm tau nws.

hom

Sealant rau lub tsheb taws yuav ua tau ntau hom:

• Pasty. Tej compositions muaj muag nyob rau cov kaus poom. Ua ntej siv, lawv yuav tsum tau ua tib zoo thinned spetsveschestvom, uas yog muaj nyob rau hauv cov khoom siv.
• Kua. Nws yog xav paub ntau nrov sealant rau lub tsheb taws. Abro - lub tuam txhab, uas kuj ua nws. Lub txhais tau tias yog ib tug ib-feem sib tov thiab siv tam sim ntawd tom qab qhib, yam uas tsis tau npaj thiab hmoov sib tov.

Tsis tas li ntawd qhov txawv ntawm silicone thiab tshav kub-resistant sealants. Txhua tus tsiaj yuav xav txog nyias.

Silicone sealant rau lub tsheb taws

"Toyota" yog siv xws cov nyiaj rau lawv cov machine. Silicone nplaum thiab tso cai rau koj los ua ib tug saj zawg zog gasket nyob rau hauv qhov chaw nws yog dab tsi yav tas los. Muaj pes tsawg leeg universal. Piv txwv li, silicone sealants yuav siv tsis tau tsuas yog rau teeb, tab sis kuj rau kev khi pob qij txha nyob rau hauv hatches, thiab lwm yam sib txuas. Cov khoom no yog raws li nyob rau hauv pob zeb ntais. Qhov no zoo ntawm cov organic roj hmab uas yog tov nrog cov vulcanizing Cheebtsam. Yog li, ib tug sib tov ntawm ntau siab elasticity thiab yog siv txawm nyob rau hauv lub feem ntau complex siv. Tom qab tua tas ib tug tuab roj hmab txheej. Yuav ntsaws cov kab nrib pleb ntawm mus txog rau millimeters.

Nrog hais txog kub tej yam kev mob, lub silicone sealant tsis plam nws cov khoom ntawm ib tug kub ntawm 250 degrees Celsius. Qhov no yog qho tseem ceeb heev, txij thaum lub headlamp (tshwj xeeb yog halogen muag) yog rhuab mus heev kub. Ib tug disadvantage ntawm lub silicone sealant - tsawg kuj mus roj av thiab dej ntsuab. Vim li no, nws tsis yog haum rau kho ntawm engine qhov chaw, dab thiab lwm yam tsheb Cheebtsam.

thermostable

Nws yog kim kim sealants. Tsim los rau cov lag luam nyob rau hauv lub tej yam kev mob rau +380 degrees Celsius. Lawv feem ntau muag nyob rau hauv daim ntawv ntawm ob-feem mixtures. Lub tsuas drawback - ntev ncuav. Thaum kawg qauv ntxiv dag zog rau tsuas yog ib hnub tom qab daim ntawv thov. Hauv qab no peb piav qhia txog lub nrov manufacturers ntawm sealants.

Abro

Cov feem nrov - sealant rau lub tsheb taws Abro WS-904. Nws yog no lub tuam txhab nyob rau hauv lub tebchaws United States. Txawm li cas los, muaj ib tug ntau ntawm importers thiab tus neeg sawv cev chaw ua hauj lwm nyob rau hauv Russia, Ukraine thiab lwm yam CIS lub teb chaws. Yuav ua li cas yog thaj sealant rau lub tsheb taws Abro? Khoom duab no nyob rau hauv peb tsab xov xwm. Model 904 yog ib tug nplaum kab xev, uas yog curled mus rau hauv ib yob.

Lub sealant yog ua los ntawm polyisobutylene nrog tas li ntawd curing Cheebtsam. Ib pob yog txaus rau kev kho ntawm ob medium-qhov loj qhov teeb. Khoom Xyuas "Abro" zoo. Txawm li cas los, muaj ib tug uas yuav khiav mus rau hauv ib tug fake, vim hais tias cov chaw tsim tshuaj paus yog nto moo heev.

Dow Corning

Sealant ntawm no chaw tsim tshuaj paus qauv 7091 yog raws li nyob rau hauv silicone. Nws yuav siv tau rau tsevneeg ob yas thiab iav. Nws muaj ib tug elastic thiab check qauv. Xyuas hais tias los ntawm Dow Corning khoom uas yus muaj los ntawm siab adhesion rau ntawm qhov chaw. Nws yuav siv tau rau fastening ntawm inductive coils, lub electronics tsev thiab LEDs.

DoneDeal

Nws yog ib tug ntau yam sealant los ntawm lub American lub tuam txhab. Cov nyob tus yeees yog txaus ruaj khov rau kub hloov. Lub sealant tsis hloov nws cov khoom ntawm ib tug kub ntawm los ntawm -60 mus +250 degrees Celsius. Nws yog resistant rau tshuaj thiab cov roj cov khoom (roj av nrog). Nws yuav siv tau raws li ib tug kua gasket. tag nrho curing lub sij hawm - 15-20 feeb. Xyuas ntawm no sealant tau overwhelmingly zoo. Txawm li cas los, ib co neeg tsav tsheb hais tias lub sij hawm lub muaj pes tsawg leeg pib crystallize thiab tsim ib tug precipitate, uas yog tsis tsim nyog rau tsheb taws.

Emfimastic PB

Cov khoom no yog raws li nyob rau hauv polyurethane. Nws tsis emit lom pa thaum lub sij hawm siv. Ib pob yog txaus rau cov leeg mus txog rau meters. Nws yuav muab muag nyob rau hauv daim ntawv ntawm cov thooj voos kheej kheej los yog "sausages". Lub teb chaws ntawm hauv paus chiv keeb - Fabkis.
Lub tuam txhab tseem manufactures sealants 74110f series. Lub qhov txawv feature ntawm muaj pes tsawg leeg - tau ib tug compound iav thiab txhuas chaw. Muaj pes tsawg leeg yog yus muaj los ntawm siab zog thiab durability.

Cov lus qhia rau kev siv

Yuav ua li cas mus thov cov khoom? Tom qab kho los yog nyob rau hauv lub teeb yuav tsum tau ua tib zoo muab tshem tawm los ntawm nws qub sealant. Nws yog tsim nyog los tshem tawm txawm qhov tsawg tshaj plaws hais ntawm yav tas los muaj pes tsawg leeg. Txwv tsis pub, fogging teeb yuav inevitable. Yuav kom pab txhawb cov txheej txheem, kws txawj pom zoo thaum tshav kub kub Sealer siv hairdryer. Yog hais tias cov laus qauv yog yooj yim rau tshem tawm, koj yuav pry nws nrog ib tug nyias sau riam. Nws yog ib qho tseem ceeb tsis ua puas tsuaj rau sab hauv ntawm lub teeb, nrog rau ib tug diffuser. Tom ntej no, qhov chaw yog meej degreased. Tam sim no koj nyob nraum npaj kom xa ib tug tshiab muaj pes tsawg leeg.
Thov yuav niaj hnub zoo li, tsis heev tuab. Nyob ntawm seb lub hom sealant, yuav tsum tau tos kom txog thaum tus tshiab muaj pes tsawg leeg ntawm cov iav yog kiag li qhuav li. Nws yuav siv sij hawm los ntawm 15 feeb mus rau 24 teev. Tom qab ntawd koj yuav xyuam xim nruab ib lub optics nyob rau hauv qhov chaw thiab npaj mus rau ib tug tag nrho-fledged lag luam.

xaus

Yog li ntawd, peb pom seb zoo li cas ib tug sealant rau lub tsheb taws. Qhov zoo tshaj ntawm cov weld tshwm sim los ntawm koj thiab ntxiv ceev ceev yog ncaj qha nyob rau ntawm qhov chaw tau raug npaj. Muaj mob thaum lub iav yog tsau mus rau lub pheej yig tshaj cov khoom, tsis tawm hws txawm nyob rau rainy hnub. Yog li ntawd, ua ntej installation, ua tib zoo xyuas seb puas muaj cov khoob. Yog hais tias tej thawj sealant thov tshaj lub hlws ris.