Q1.Dab tsi yog vim li cas rau nruab nrab pob tshab silicone sealant tig daj?

Teb:

Lub yellowing ntawm nruab nrab pob tshab silicone sealant yog tshwm sim los ntawm qhov tsis xws luag nyob rau hauv lub sealant nws tus kheej, feem ntau yog vim lub cross-linking tus neeg saib xyuas thiab thickener nyob rau hauv lub nruab nrab sealant.Yog vim li cas yog tias ob cov khoom siv raw no muaj "cov pab pawg amino", uas cuam tshuam rau yellowing.Ntau lub npe nrov npe nrov silicone sealants kuj muaj qhov tshwm sim daj daj.

Tsis tas li ntawd, yog hais tias nruab nrab pob tshab silicone sealant siv tib lub sij hawm raws li acetic silicone sealant, nws yuav ua rau lub nruab nrab sealant tig daj tom qab kho.Nws kuj yuav tshwm sim los ntawm lub sij hawm ntev cia ntawm lub sealant los yog cov tshuaj tiv thaiv ntawm lub sealant thiab substrate.

OLV128 Pob tshab Neutral Silicone Sealant

Q2.Vim li cas qhov nruab nrab silicone sealant dawb xim qee zaum tig liab?Ib co sealant tig rov qab rau dawb ib lub lis piam tom qab kho?

Teb:

Alkoxy kho hom nruab nrab silicone sealant yuav muaj qhov tshwm sim vim yog cov khoom siv raw khoom titanium chromium compound.Titanium chromium compound nws tus kheej yog liab, thiab xim dawb ntawm lub sealant yog tiav los ntawm titanium dioxide hmoov nyob rau hauv lub sealant ua raws li ib tug colorant.

Txawm li cas los xij, sealant yog ib qho khoom siv organic, thiab feem ntau cov tshuaj lom neeg cov tshuaj tiv thaiv yog thim rov qab, nrog rau kev tshwm sim tshwm sim.Qhov kub thiab txias yog tus yuam sij rau kev ua rau cov tshuaj tiv thaiv no.Thaum qhov kub thiab txias, qhov zoo thiab qhov tsis zoo tshwm sim, ua rau cov xim hloov.Tab sis tom qab qhov kub thiab txias stabilizes, cov tshuaj tiv thaiv rov qab thiab cov xim rov qab mus rau nws qhov qub qub.Nrog rau cov cuab yeej tsim khoom zoo thiab cov qauv kev txawj ntse, qhov tshwm sim no yuav tsum zam.

Q3.Vim li cas qee cov khoom lag luam pob tshab hauv tsev ua xim dawb tom qab tsib hnub ntawm daim ntawv thov?Vim li cas neutral ntsuab sealant tig xim dawb tom qab thov?

Teb:

Qhov no kuj yuav tsum raug ntaus nqi rau qhov teeb meem ntawm kev xaiv raw khoom thiab kev txheeb xyuas.Qee cov khoom lag luam pob tshab hauv tsev muaj cov yas yas uas yooj yim volatile, thaum lwm tus muaj cov khoom ntxiv ntxiv.Thaum cov plasticizers volatilize, lub sealant shrinks thiab stretches, nthuav tawm cov xim ntawm cov fillers (tag nrho cov fillers nyob rau hauv nruab nrab sealant yog xim dawb).

Coloured sealants yog tsim los ntawm kev ntxiv cov pigments kom lawv cov xim sib txawv.Yog tias muaj teeb meem nrog kev xaiv xim, cov xim ntawm cov sealant yuav hloov tom qab thov.Tsis tas li ntawd, yog tias cov xim pleev xim pleev xim tau siv ntau dhau thaum lub sij hawm tsim kho, lub hauv paus shrinkage ntawm sealant thaum kho tuaj yeem ua rau cov xim sib zog.Nyob rau hauv cov ntaub ntawv no, nws yog pom zoo kom muaj ib tug tej yam thickness (tshaj 3 hli) thaum thov lub sealant.

Olivia Xim Daim duab

Q4.Vim li cas cov pob qij txha los yog cov kab nrib pleb tshwm rau ntawm daim iav tom qab siv silicone sealant rau sab nraub qaum rau alub sijhawm?

Teb:

Feem ntau muaj peb hom txheej txheej nyob tom qab ntawm daim iav ntawm lub khw: mercury, nyiaj ntshiab, thiab tooj liab.

Feem ntau, tom qab siv silicone sealant rau nruab iav rau qee lub sijhawm, daim iav saum npoo yuav muaj cov pob.Qhov no feem ntau yog tshwm sim los ntawm kev siv acetic silicone sealant, uas cuam tshuam nrog cov ntaub ntawv hais los saum toj no thiab ua rau muaj pob ntawm daim iav saum npoo.Yog li ntawd, peb hais txog kev siv cov sealant nruab nrab, uas tau muab faib ua ob hom: alkoxy thiab oxime.

Yog tias daim iav tooj liab tau nruab nrog oxime nruab nrab sealant, oxime yuav me ntsis corrode cov khoom tooj liab.Tom qab ib lub sij hawm ntawm kev tsim kho, yuav muaj cov cim corrosion nyob rau sab nraum qab ntawm daim iav uas siv lub sealant.Txawm li cas los xij, yog siv alkoxy neutral sealant, qhov tshwm sim no yuav tsis tshwm sim.

Tag nrho cov saum toj no yog vim kev xaiv cov khoom siv tsis zoo los ntawm kev sib txawv ntawm cov substrates.Yog li, nws tau pom zoo tias cov neeg siv ua qhov kev sib tw ua ntej siv lub sealant kom pom tias cov sealant puas haum rau cov khoom siv.

Q5.Vim li cas qee cov silicone sealants zoo li granules qhov loj ntawm cov ntsev ntsev thaum lawv siv, thiab vim li cas qee cov granules yaj ntawm lawv tus kheej tom qab kho?

Teb:

Qhov no yog ib qho teeb meem nrog cov khoom siv raw khoom siv hauv kev xaiv cov silicone sealant.Qee cov silicone sealanst muaj cov kab sib txuas sib txuas uas tuaj yeem crystallize ntawm qhov kub thiab txias, ua rau tus neeg sawv cev sib txuas kom khov rau hauv lub raj mis nplaum.Yog li ntawd, thaum cov nplaum yog dispensed, ntsev zoo li granules ntawm ntau qhov ntau thiab tsawg yuav pom, tab sis lawv yuav maj mam yaj thaum lub sij hawm, ua rau cov granules yuav cia li ploj thaum kho.Qhov teeb meem no tsis tshua muaj txiaj ntsig rau qhov zoo ntawm silicone sealant.Qhov laj thawj tseem ceeb ntawm qhov xwm txheej no yog qhov cuam tshuam loj ntawm qhov kub thiab txias.

Olivia silicone sealant muaj du nto

Q6.Yuav ua li cas yog vim li cas vim li cas ib co domestically tsim silicone sealant thov rau iav tsis kho tom qab 7 hnub?

Teb:

Qhov xwm txheej no feem ntau tshwm sim thaum huab cua txias.

1.Lub sealant yog thov heev tuab, ua rau qeeb curing.

2.Qhov chaw tsim kho yog cuam tshuam los ntawm huab cua phem.

3.Lub sealant yog tas sij hawm los yog puas lawm.

4.Lub sealant yog mos heev thiab xav tias kho tsis tau.

q7 ua.Dab tsi yog vim li cas rau cov npuas uas tshwm sim thaum siv qee yam hauv tsev tsim cov khoom siv silicone sealant?

Teb:

Tej zaum yuav muaj peb yam laj thawj:

1.Kev siv tshuab tsis zoo thaum lub sijhawm ntim khoom, ua rau huab cua nkag rau hauv lub raj mis.

2.Ib tug ob peb unscrupulous manufacturers txhob txwm tsis nruj lub hauv qab hau ntawm lub raj, tawm hauv cov cua hauv lub raj tab sis muab lub tswv yim ntawm txaus silicone sealant ntim.

3.Qee lub teb chaws tsim silicone sealants muaj cov khoom ntim uas tuaj yeem ua rau cov tshuaj lom neeg nrog PE mos yas ntawm silicone sealant ntim raj, ua rau lub raj yas o thiab nce siab.Yog li ntawd, huab cua tuaj yeem nkag mus rau qhov chaw hauv lub raj thiab ua rau cov voids hauv silicone sealant, uas ua rau lub suab ntawm cov npuas thaum thov.Txoj hauv kev zoo los kov yeej qhov tshwm sim no yog siv lub raj ntim thiab ua tib zoo saib xyuas qhov chaw cia khoom (hauv qab 30 ° C hauv qhov chaw txias).

Olivia Workshop

q8 ua.Vim li cas qee qhov nruab nrab silicone sealants thov ntawm kev sib tshuam ntawm cov pob zeb thiab hlau qhov rais thav duab tsim ntau npuas tom qab kho thaum lub caij ntuj sov, thaum lwm tus tsis?Puas yog qhov teeb meem zoo?Vim li cas cov xwm txheej zoo sib xws tsis tshwm sim ua ntej?

Teb:

Ntau lub lag luam ntawm nruab nrab silicone sealant tau ntsib cov xwm txheej zoo sib xws, tab sis nws tsis yog qhov teeb meem zoo.Neutral sealants tuaj nyob rau hauv ob hom: alkoxy thiab oxime.Thiab alkoxy sealants tso pa roj (methanol) thaum kho (methanol pib evaporate nyob ib ncig ntawm 50 ℃), tshwj xeeb tshaj yog thaum raug tshav ntuj ncaj qha los yog kub kub.

Tsis tas li ntawd, pob zeb thiab hlau qhov rais thav duab yog tsis permeable rau huab cua, thiab nyob rau hauv lub caij ntuj sov, nrog kub thiab av noo, lub sealant kho sai dua.Cov roj tso tawm los ntawm lub sealant tuaj yeem tsuas yog khiav tawm ntawm cov txheej txheem kho ib nrab ntawm cov sealant, ua rau cov npuas ntawm ntau qhov sib txawv tuaj yeem tshwm sim ntawm cov sealant kho.Txawm li cas los xij, oxime nruab nrab sealant tsis tso roj thaum lub sijhawm kho, yog li nws tsis tsim npuas.

Tab sis qhov tsis zoo ntawm oxime nruab nrab silicone sealant yog tias yog tias cov cuab yeej siv thiab kev tsim tsis tau ua haujlwm zoo, nws tuaj yeem ntsws thiab tawg thaum lub sijhawm kho hauv huab cua txias.

Yav dhau los, cov xwm txheej zoo sib xws tsis tau tshwm sim vim tias silicone sealants tsis tshua siv nyob rau hauv cov chaw xws li kev tsim kho, thiab acrylic waterproof sealing cov ntaub ntawv feem ntau siv hloov.Yog li ntawd, qhov tshwm sim ntawm bubbling nyob rau hauv silicone nruab nrab sealant tsis yog heev.Nyob rau hauv xyoo tas los no, kev siv cov silicone sealants tau maj mam dhau los, txhim kho qib zoo ntawm engineering, tab sis vim tsis muaj kev nkag siab txog cov yam ntxwv ntawm cov khoom, kev xaiv cov khoom siv tsis raug tau ua rau muaj qhov tshwm sim ntawm sealant bubbling.

q9 ua.Yuav ua li cas kuaj kev sib raug zoo?

Teb:

Kev hais lus nruj me ntsis, kev ntsuas kev sib raug zoo ntawm cov nplaum thiab lub tsev substrates yuav tsum tau ua los ntawm lub teb chaws lees paub lub tsev kuaj cov khoom siv.Txawm li cas los xij, nws yuav siv sij hawm ntev thiab raug nqi kom tau txais txiaj ntsig los ntawm cov chaw haujlwm no.

Rau cov haujlwm uas xav tau cov kev sim no, nws yog ib qho tsim nyog yuav tsum tau txais daim ntawv soj ntsuam tsim nyog los ntawm lub chaw kuaj xyuas lub teb chaws ua ntej txiav txim siab seb puas yuav siv cov khoom siv hauv tsev.Rau cov dej num dav dav, cov substrate tuaj yeem muab rau cov chaw tsim khoom silicone sealant rau kev sib tw.Cov txiaj ntsig kev ntsuas tuaj yeem tau txais nyob rau hauv kwv yees li 45 hnub rau cov qauv silicone sealant, thiab 35 hnub rau nruab nrab thiab acetic silicone sealant.

Cov qauv sealant compatibility kuaj chamber

Q10.Vim li cas acetic silicone sealant yooj yim tev tawm ntawm cov cement?

Teb: Acetic silicone sealants tsim cov kua qaub thaum kho, uas ua rau lub ntsej muag ntawm cov khoom alkaline xws li cov cement, marble, thiab granite, tsim cov tshuaj chalky uas txo cov adhesion ntawm cov nplaum thiab cov substrate, ua rau cov kua qaub sealant kom yooj yim tev tawm. ntawm cement.Txhawm rau zam qhov teeb meem no, nws yog ib qho tsim nyog yuav tsum siv nruab nrab lossis oxime nplaum haum rau alkaline substrates rau kev sib khi thiab kev sib txuas.