Q1.Siyintoni isizathu sokungathathi hlangothi kwe-silicone sealant ejike ibe tyheli?

Impendulo:

I-yellowing ye-silicone sealant engabonakaliyo engathathi hlangothi ibangelwa iziphene kwi-sealant ngokwayo, ngokukodwa ngenxa ye-agent edibanisayo kunye ne-thickener kwi-sealant engathathi hlangothi.Isizathu kukuba ezi zixhobo zimbini ziqulethe "amaqela e-amino", achaphazeleka kakhulu kukutyheli.Uninzi lwezitywini ze-silicone ezidumileyo ezithengiswa kumazwe angaphandle nazo zinento etyheli.

Ukongeza, ukuba i-silicone sealant engathathi hlangothi ecacileyo isetyenziswa ngaxeshanye njenge-acetic silicone sealant, inokubangela ukuba i-sealant engathathi hlangothi ijike ibe tyheli emva kokunyanga.Isenokubangelwa lixesha elide lokugcinwa kwe-sealant okanye ukuphendula phakathi kwe-sealant kunye ne-substrate.

OLV128 Transparent Neutral Silicone Sealant

Q2.Kutheni umbala omhlophe we-silicone ongathathi hlangothi ujika ube pink?Enye i-sealant ijika ibe mhlophe kwiveki emva kokunyanga?

Impendulo:

I-alkoxy enyangisiweyo yohlobo olungathathi hlangothi lwe-silicone sealant inokuba nalo mcimbi ngenxa yemveliso ye-titanium chromium ekrwada.I-Titanium chromium ikhompawundi ngokwayo ibomvu, kwaye umbala omhlophe we-sealant ufezekiswa yi-titanium dioxide powder kwi-sealant esebenza njengombala.

Nangona kunjalo, i-sealant yinto ephilayo, kwaye uninzi lweekhemikhali zendalo ziyakwazi ukuguqulwa, kunye neempendulo zecala ezenzekayo.Ubushushu ngundoqo ekuqaliseni ezi ntshukumo.Xa iqondo lokushisa liphezulu, iimpendulo ezintle nezingalunganga zenzeka, ezibangela utshintsho lombala.Kodwa emva kokuba iqondo lobushushu lihlile kwaye lizinzile, ukusabela kubuyela umva kwaye umbala ubuyela kwimeko yawo yangaphambili.Ngobugcisa obulungileyo bemveliso kunye nobuchule befomula, le nto kufuneka ithintelwe.

Q3.Kutheni le nto imveliso ye-sealant ecacileyo yasekhaya ijika umbala omhlophe emva kweentsuku ezintlanu zokufakwa kwesicelo?Kutheni i-sealant eluhlaza engathathi hlangothi ijika umbala omhlophe emva kokufakwa kwesicelo?

Impendulo:

Oku kufuneka kubangelwe nengxaki yokukhethwa kwezinto eziluhlaza kunye nokuqinisekiswa.Enye imveliso ye-sealant ecacileyo yasekhaya iqulethe iiplasticizers eziguquguqukayo ngokulula, ngelixa ezinye ziqulethe iifayili zokuqinisa ngakumbi.Xa i-plasticizers iguquguquka, i-sealant iyancipha kwaye ilula, ityhila umbala weefayili (zonke iifayili kwi-sealant engathathi hlangothi zimhlophe ngombala).

Izitywini ezinemibala zenziwe ngokufaka i-pigments ukuze zibe nemibala eyahlukeneyo.Ukuba kukho iingxaki ngokukhethwa kwe-pigment, umbala we-sealant unokutshintsha emva kokusetyenziswa.Kungenjalo, ukuba izitywini ezinemibala zisetyenziswa kancinci kakhulu ngexesha lolwakhiwo, ukushwabana okungokwemvelo kwe-sealant ngexesha lokunyanga kunokubangela ukuba umbala ube lula.Kule meko, kucetyiswa ukuba kugcinwe ubukhulu obuthile (ngaphezulu kwe-3mm) xa usebenzisa i-sealant.

Itshathi yoMbala ka-Olivia

Q4.Kutheni amabala okanye imikhondo ivela kwisibuko emva kokusebenzisa i-silicone sealant ngasemva kwi-aixesha?

Impendulo:

Ngokuqhelekileyo kukho iintlobo ezintathu zeengubo emva kwezibuko kwimarike: i-mercury, isilivere ecocekileyo kunye nobhedu.

Ngokuqhelekileyo, emva kokusebenzisa i-silicone sealant ukufaka izibuko ixesha elithile, umphezulu wesibuko unokuba namabala.Oku kudla ngokubangelwa ukusebenzisa i-acetic silicone sealant, ephendula kunye nezinto ezikhankanywe ngasentla kwaye ibangele amabala kumphezulu wesibuko.Ngoko ke, sigxininisa ukusetyenziswa kwe-sealant engathathi hlangothi, eyahlulahlulwe kwiintlobo ezimbini: i-alkoxy kunye ne-oxime.

Ukuba isibuko esine-copper-backed sifakwe nge-oxime neutral sealant, i-oxime iya kugqwala kancinci izinto zobhedu.Emva kwexesha lokwakhiwa, kuya kuba neempawu zokubola ngasemva kwesibuko apho i-sealant ifakwe khona.Nangona kunjalo, ukuba i-alkoxy neutral sealant isetyenzisiweyo, le nto ayiyi kwenzeka.

Konke oku ngasentla kungenxa yokukhethwa kwezinto ezingafanelekanga ezibangelwa ukuhlukahluka kwe-substrates.Ke ngoko, kuyacetyiswa ukuba abasebenzisi benze uvavanyo lokuhambelana ngaphambi kokusebenzisa i-sealant ukubona ukuba i-sealant iyahambelana nemathiriyeli.

Q5.Kutheni ezinye ii-silicone sealants zibonakala njengeegranules ubungakanani bekristale zetyuwa xa zifakwa, kwaye kutheni ezinye zezi granules zinyibilika ngokwazo emva kokunyanga?

Impendulo:

Le yingxaki kwifomula yempahla ekrwada esetyenziswa ekukhetheni i-silicone sealant.Ezinye ze-silicone sealanst ziqulethe i-agent edibanisayo enokuthi idibanise kwiqondo lokushisa eliphantsi, ebangela ukuba i-agent edibeneyo idibanise ngaphakathi kwebhotile yokunamathela.Ngenxa yoko, xa i-adhesive ikhutshwa, iigranules ezinjengetyuwa ezinobungakanani obahlukeneyo zinokubonwa, kodwa ziya kunyibilika kancinci ngokuhamba kwexesha, zibangele ukuba iigranules zinyamalale ngokuzenzekelayo ngexesha lokunyanga.Le meko inempembelelo encinci kumgangatho we-silicone sealant.Isizathu esiphambili sale meko yimpembelelo ebalulekileyo yokushisa okuphantsi.

I-Olivia silicone sealant inomgangatho ogudileyo

Q6.Ziziphi izizathu ezinokubangela ukuba i-silicone sealant eyenziwe ekhaya efakwe kwiglasi inganyangeki emva kweentsuku ezisi-7?

Impendulo:

Le meko idla ngokwenzeka kwimozulu ebandayo.

I-1.I-sealant isetyenziswa kakhulu, ikhokelela ekunyangeni okucothayo.

2.Indawo yokwakha ichatshazelwa yimozulu embi.

3.I-sealant iphelelwe lixesha okanye ineziphene.

4.I-sealant ithambile kakhulu kwaye ivakalelwa kukuba ayikwazi ukunyanga.

Q7.Sisiphi isizathu samaqamza avelayo xa usebenzisa iimveliso ze-silicone sealant eziveliswe ekhaya?

Impendulo:

Kusenokubakho izizathu ezithathu ezinokuthi:

I-1.I-teknoloji ephosakeleyo ngexesha lokupakisha, kubangela ukuba umoya uvaleleke kwibhotile.

I-2.Abenzi abambalwa abangathembekanga ngamabomu abaqinisi i-cap ephantsi yombhobho, beshiya umoya kwi-tube kodwa banike ingcamango yevolumu ye-silicone sealant eyaneleyo.

I-3.Ezinye ii-silicone sealants eziveliswa ekhaya ziqulethe iifayili ezinokusabela ngamakhemikhali kunye ne-PE ethambileyo yeplastiki ye-silicone sealant yokupakisha ityhubhu, ebangela ukuba ityhubhu yeplastiki ivuvuke kwaye inyuke ukuphakama.Ngenxa yoko, umoya ungangena kwisithuba ngaphakathi kwi-tube kwaye ubangele i-voids kwi-silicone sealant, okubangelwa isandi se-bubbles ngexesha lokufaka isicelo.Indlela esebenzayo yokunqoba le nto isebenzisa ukupakishwa kwe-tube kunye nokubeka ingqalelo kwindawo yokugcina imveliso (ngaphantsi kwe-30 ° C kwindawo epholileyo).

Olivia Workshop

Q8.Kutheni ezinye ii-silicone sealants ezingathathi hlangothi ezifakwe kwindawo yokuhlangana kwekhonkrithi kunye neefestile zentsimbi zenza amaqamza amaninzi emva kokunyanga ehlotyeni, ngelixa abanye bengenzi?Ngaba ngumba womgangatho?Kwakutheni ukuze izinto ezifanayo zingenzeki ngaphambili?

Impendulo:

Iintlobo ezininzi ze-silicone sealant engathathi hlangothi ziye zahlangabezana nemeko efanayo, kodwa ayingombandela womgangatho.Izitywini ezingathathi hlangothi ziza kwiindidi ezimbini: i-alkoxy kunye ne-oxime.Kwaye ialkoxy sealants ikhupha irhasi (methanol) ngexesha lokunyanga (imethanol iqala ukuba ngumphunga malunga ne 50℃), ngakumbi xa ibekwe elangeni okanye amaqondo obushushu aphezulu.

Ukongezelela, iifestile zekhonkrithi kunye nentsimbi azikwazi ukungena emoyeni, kwaye ehlobo, ngamaqondo okushisa aphezulu kunye nomswakama, i-sealant iphilisa ngokukhawuleza.Irhasi ekhutshiweyo kwisitywini inokuphuncuka kuphela kumaleko onyangekileyo we-sealant, ebangela ukuba amaqamza anobukhulu obahlukeneyo avele kwisitywina esinyangisiweyo.Nangona kunjalo, i-oxime neutral sealant ayikhuphi igesi ngexesha lenkqubo yokunyanga, ngoko ayivelisi amaqamza.

Kodwa ukungonakali kwe-oxime engathathi hlangothi ye-silicone sealant kukuba ukuba iteknoloji kunye nokuqulunqwa kungaphathwanga ngokufanelekileyo, inokuncipha kwaye iqhekeke ngexesha lenkqubo yokunyanga kwimozulu ebandayo.

Kwixesha elidlulileyo, izinto ezifanayo azizange zenzeke ngenxa yokuba izitywini ze-silicone zazingafane zisetyenziswe kwiindawo ezinjalo ngamayunithi okwakha, kunye nezixhobo zokutywina ezingenakumanzi ze-acrylic zazisetyenziswa ngokubanzi endaweni.Ke ngoko, isenzeko sokugquma kwi-silicone engathathi hlangothi sealant yayingaqhelekanga kakhulu.Kwiminyaka yakutshanje, ukusetyenziswa kwe-silicone sealants kuye kwanda ngokuthe ngcembe, kuphucula kakhulu umgangatho wobunjineli, kodwa ngenxa yokungabikho kokuqonda kweempawu eziphathekayo, ukukhethwa kwezinto ezingafanelekanga kuye kwabangela ukuba kwenzeke i-sealant bubbling.

Q9.Indlela yokuqhuba uvavanyo lokuhambelana?

Impendulo:

Ukuthetha ngokuthe ngqo, uvavanyo lokuhambelana phakathi kwezinto ezincamathelayo kunye nezakhiwo ezisezantsi kufuneka zenziwe ngamasebe ovavanyo lwesizwe olwamkelweyo.Nangona kunjalo, kusenokuthatha ixesha elide kwaye kubize kakhulu ukufumana iziphumo ngala masebe.

Kwiiprojekthi ezifuna uvavanyo olunjalo, kuyafuneka ukuba ufumane ingxelo yokuhlola efanelekileyo kwiziko lovavanyo eligunyazisiweyo lesizwe ngaphambi kokuba wenze isigqibo malunga nokuba usebenzisa imveliso ethile yemathiriyeli yokwakha.Kwiiprojekthi eziqhelekileyo, i-substrate inokunikezelwa kumenzi we-silicone sealant ukuze kuhlolwe ukuhambelana.Iziphumo zokuvavanya zinokufumaneka malunga neentsuku ze-45 ze-silicone sealant yesakhiwo, kunye neentsuku ze-35 zokungathathi hlangothi kunye ne-acetic silicone sealant.

Igumbi lokuvavanya ukuhambelana kwe-sealant yesakhiwo

Q10.Kutheni i-acetic silicone sealant ikhupha ngokulula kwisamente?

Impendulo: I-acetic silicone sealants ivelisa i-asidi ngexesha lokunyanga, ephendula kunye nomphezulu wezinto ze-alkaline ezifana ne-samente, i-marble, kunye ne-granite, eyenza into e-chalky eyanciphisa ukunamathela phakathi kwe-adhesive kunye ne-substrate, ebangela ukuba i-asidi sealant ikhuphe ngokulula. kwisamente.Ukuze ugweme le meko, kuyimfuneko ukusebenzisa i-adhesive engathathi hlangothi okanye i-oxime efanelekileyo kwi-substrates ye-alkali yokutywinwa kunye nokudibanisa.