Silicone inoshandiswa zvakanyanya se sealant, gasket material, uye sealant.chivharo chesiliconemumagetsi nekuti inogara ichichinjika, inobatanidzwa zvakanaka kune akawanda ma substrates, uye inoshanda munzvimbo dzakasiyana-siyana dzekupisa. Asi mubvunzo unowanzo bvunzwa nevatengi nemainjiniya muGoogle—“Mvura inogona kudonha kuburikidza nesilicone here?”—une mhinduro chaiyo yehunyanzvi:
Mvura inogona kupfuura nepakati pesilicone (nepaburi, isina kunamira zvakanaka, kana kuti isina kunaka) kakawanda kupfuura painopfuura nesilicone yanyatsogadzirwa. Zvisinei, zvinhu zvesilicone hazvisi nguva dzose zvinodzivirira utsi, sakamhute yemvura inogona kupinda zvishoma nezvishoma mumasero akawanda esilicone elastomerskupfuuridza nguva.
Kunzwisisa musiyano uripo pakati pemvura inobudauyekupenya kwemhepondiyo kiyi yekusarudza silicone encapsulant kana sealant yakakodzera yekushandisa kwako.
Mvura yemvura vs. Utsi hwemvura: "Kudonhedza" Kuviri kwakasiyana
1) Mvura inobuda
Kana silicone ikashandiswa nemazvo inowanzovhara mvura yemvura zvinobudirira. Muzviitiko zvakawanda zvinoitika, mvura inopinda nekuda kwe:
- Kuvhara mabhora kusina kukwana kana kuti mavanga matete
- Kusagadzirira zvakanaka pamusoro (mafuta, guruva, zvinoburitsa tsvina)
- Kufamba kunoputsa tambo yechisungo
- Mafuro emhepo, maburi, kana maburi anobva pakusagadzirwa zvakanaka
- Kemikari yesilicone isiriyo ye substrate (kunamatira kwakaderera)
Silikoni bead inoenderera mberi, yakabatana zvakanaka inogona kutsungirira kupfapfaidzwa, kunaya, uye kunyange kunyudzwa kwenguva pfupi zvichienderana nekugadzirwa, ukobvu, uye chimiro chenhengo.
2) Kupinda kwemvura muutsi
Kunyangwe kana silicone isina kusvibiswa, ma silicone elastomers mazhinji anobvumira kupararira kweutsi hwemvura zvishoma nezvishoma. Uku hakusi "kudonha" kunooneka segomba—kufanana nehunyoro hunofamba zvishoma nezvishoma nepa membrane.
Pakudzivirira magetsi, musiyano iwoyo unokosha: PCB yako inogona kuramba ichiona hunyoro kwemwedzi/makore kana silicone encapsulant ichikwanisa kunyura muutsi, kunyangwe ikavhara mvura yemvura.
Nei Silicone Inoshandiswa Sechivharo
A chivharo chesiliconeInosarudzwa kwete chete yekudzivirira mvura, asiwo yekuvimbika kwese:
- Tembiricha yebasa rakafara:masilicone mazhinji anoshanda zvishoma kubva-50°C kusvika +200°C, ine mamakisi epamusoro.
- Kusununguka uye kusununguka pakushushikana:modulus yakaderera inobatsira kuchengetedza majoini e solder uye zvikamu panguva yekupisa.
- Kudzivirira UV uye mamiriro ekunze:silicone inogara zvakanaka panze kana ichienzaniswa nema organic polymers akawanda.
- Kudzivirira magetsi:kushanda zvakanaka kwe dielectric kunotsigira magadzirirwo emagetsi ane simba guru uye anonzwa zviri nani.
Nemamwe mashoko, silicone inowanzo vandudza kugara kwenguva refu kunyangwe kana "chidziviriro chakakwana chehunyoro" chisiri icho chinangwa chikuru.
Chii Chinosarudza Kana Mvura Ichipinda Nekuna silicone?
1) Hunhu hwekuporesa uye ukobvu
Kupenda kwakatetepa kuri nyore kuti utsi hwemvura hupinde, uye mabhora matete ari nyore kupwanyika. Pakuvhara, ukobvu hwakafanana hunokosha. Pakuputira/kufukidza, kuwedzera ukobvu kunogona kunonotsa kutapurirana kwehunyoro uye kuvandudza dziviriro yemuchina.
2) Kunamira pasi pevhu
Silicone inogona kunamira zvakasimba, asi kwete yega. Simbi, mapurasitiki, uye pamusoro pakafukidzwa zvingada:
- Kupukuta / kubvisa mafuta ekugadzirisa zvinonyungudutsa
- Kuora kweganda (kana zvakakodzera)
- Primer yakagadzirirwa silicone bonding
Mukugadzirwa, kutadza kunamira ndicho chikonzero chikuru chekubuda kwemvura, kunyangwe silicone pachayo isina dambudziko.
3) Kusarudzwa kwezvinhu: RTV vs. kuwedzera-kurapa, kuzadzwa vs. kusina kuzadzwa
Haasi ese masilicone anoita zvakafanana. Kugadzirwa kwechinhu kunokanganisa:
- Kudzikira kweganda pakurapwa (kudzikira kweganda kunoderedza mipata midiki)
- Modulus (kuchinjika vs. kuomarara)
- Kusagona kushandisa makemikari
- Mwero wekupararira kwehunyoro
Mamwe masilicone akazadzwa uye mafomura akagadzirwa nesimbi anoderedza kupinda kwemvura zvichienzaniswa nemasilicone akajairwa, anofema zvakanaka.
4) Kugadzira uye kufamba kwemajoini
Kana kubatanidzwa kwacho kukakura/kupfupika, chisimbiso chinofanira kugamuchira kufamba pasina kukweshwa. Kusimba kwesilicone ndiyo mukana mukuru pano, asi chete kana dhizaini yemajoini ichipa nzvimbo yakakwana yekubatanidza uye ichidzivirira makona akapinza anoisa kushushikana kwakanyanya.
Nhungamiro Inoshanda: Kana Silicone Yakwana—Uye Kana Isina Kukwana
Silicone inowanzova sarudzo yakanaka kana uchida:
- Kuvhara mamiriro ekunze ekunze (mvura, mvura inonaya)
- Kuramba kutenderera kwemhepo nekupisa
- Kudzivirira magetsi ne cushioning yemakanika
Funga nezvezvimwe zvingasarudzwa kana zvimwe zvipingamupinyi kana uchida:
- Kudzivirira kwenguva refu kupinda kwehunyoro mumagetsi anonzwa
- Kuvharwa kwechokwadi kwe "hermetic" (silicone haisi hermetic)
- Kunyudzwa nguva dzose nekumanikidzwa kwakasiyana-siyana
Muzviitiko izvi, mainjiniya anowanzo sanganisa nzira: silicone encapsulant yekuderedza kushushikana + gasket yemumba + conformal coating + desiccant kana vent membrane, zvichienderana nenzvimbo.
Mutsetse Wekupedzisira
Mvura haiwanzobudakuburikidzasilicone yakagadziriswa semvura—matambudziko mazhinji anobva pakunamatira kusina kunaka, maburi, kana zvikanganiso. Asi utsi hwemvura hunogona kupinda nesilicone, ndosaka "hunodzivirira mvura" uye "hunodzivirira hunyoro" zvisiri zvakafanana nguva dzose mukudzivirira magetsi. Kana ukandiudza bhokisi rako rekushandisa (kunze kwekunze, PCB potting, kudzika kwekunyudzwa, tembiricha), ndinogona kukurudzira mhando yakakodzera yesilicone encapsulant, ukobvu hwechinangwa, uye bvunzo dzekusimbisa (IP rating, soak test, thermal cycling) kuti ienderane nezvinangwa zvako zvekuvimbika.
Nguva yekutumira: Ndira-16-2026