Silicone sealant ko m samfur ne mai ƙarfi, mai sassauƙa wanda za'a iya amfani dashi a aikace-aikace daban-daban. Duk da cewa siliki na siliki ba shi da ƙarfi kamar wasu manne ko adhesives, silicone sealant ya kasance mai sassauƙa sosai, koda da zarar ya bushe sosai ko ya bushe.warke. Silicone sealant kuma yana iya jure yanayin zafi sosai, yana mai da shi manufa don aikace-aikacen da ke fama da matsanancin zafi, kamar a kan gas ɗin injin.
Silicone sealant da aka warke yana nuna kyakkyawan juriya na yanayi, juriya na tsufa, juriya na UV, juriya na lemar sararin samaniya, juriya mai girma da ƙarancin zafin jiki, juriyawar girgiza, juriyar danshi, da kaddarorin hana ruwa; don haka aikace-aikacen sa suna da yawa sosai. A cikin 1990s, yawanci ana amfani da shi don haɗawa da hatimi a cikin masana'antar gilashi, don haka an fi sani da "manne gilashi."
Hoto na sama: Ciwon siliki mai warkewa
Hoton hagu: Marufin ganga na silinda mai siliki
Silicone sealant yawanci dogara ne a kan 107 (hydroxy-terminated polydimethylsiloxane), kuma shi ne hada da kayan irin su high-molecular-nauyin polymers, plasticizers, fillers, giciye-linking jamiái, hada guda biyu jamiái, catalysts, da dai sauransu Yawancin amfani plasticizers sun hada da silicone. mai, farin mai, da sauransu. Filayen da aka fi amfani da su sun haɗa da nano-activated calcium carbonate, nauyi calcium carbonate, ultrafine calcium. carbonate, fumed silica, da sauran kayan.
Silicone sealants zo a cikin nau'i-nau'i daban-daban.
Dangane da nau'in ajiya, an raba shi zuwa: sassa biyu (multi) da guda ɗaya.
Bangaren biyu (multi) yana nufin cewa silicone sealant ya kasu kashi biyu (ko fiye da biyu) sassa A da B, duk wani abu daya kadai ba zai iya samar da magani ba, amma bayan an hade sassan biyu (ko fiye da biyu) za su hadu. samar da amsawar warkarwa ta hanyar haɗin gwiwa don samar da elastomers.
Dole ne a yi cakuda nan da nan kafin amfani da shi, wanda ya sa irin wannan nau'in silicone sealant ya zama mai wahala don amfani.
Silicone sealant kuma na iya zuwa azaman samfur guda ɗaya, ba tare da haɗawa da ake buƙata ba. Ana kiran nau'in nau'i ɗaya na siliki mai siliki mai-samfuriZazzaɓin ɗaki Vulcanizing(RTV). Wannan nau'i na sealant yana fara warkewa da zarar an fallasa shi zuwa iska - ko kuma, mafi daidai, danshi a cikin iska. Don haka, ya zama dole ku yi aiki da sauri yayin amfani da silinda na siliki na RTV.
Silicone sealant guda ɗaya-bangaren za a iya raba kusan zuwa: nau'in deacidification, nau'in dealcoholization, nau'in deketoxime, nau'in deacetone, nau'in deamidation, nau'in dehydroxylamine, da sauransu bisa ga ma'auni daban-daban na crosslinking (ko ƙananan ƙwayoyin da aka samar yayin warkewa) da aka yi amfani da su. Daga cikin su, nau'in deacidification, nau'in dealcoholization da nau'in deketoxime ana amfani da su a kasuwa.
Nau'in deacidification shine methyl triacetoxysilane (ko ethyl triacetoxysilane, propyl triacetoxysilane, da dai sauransu) a matsayin wakili na crosslinking, wanda ke samar da acetic acid yayin warkewa, wanda aka fi sani da "acid glue". Amfaninsa shine: kyakkyawan ƙarfi da nuna gaskiya, saurin warkarwa da sauri. Rashin hasara shine: ƙanshin acetic acid mai ban haushi, lalata karafa.
Nau'in shayarwa shine zuwa methyl trimethoxysilane (ko vinyl trimethoxysilane, da dai sauransu) a matsayin wakili mai haɗin gwiwa, tsarin warkarwa yana samar da methanol, wanda akafi sani da "nau'in giya mai manne". Amfaninsa shine: kare muhalli, mara lalacewa. Hasara: jinkirin warkewar saurin, rayuwar shiryayye ba ta da rauni kaɗan.
Nau'in Deketo oxime shine methyl tributyl ketone oxime silane (ko vinyl tributyl ketone oxime silane, da dai sauransu) a matsayin wakili mai haɗin gwiwa, wanda ke samar da butanone oxime yayin warkewa, wanda akafi sani da "oxime type glue". Amfaninsa shine: babu kamshi mai girma, mai kyau mannewa ga kayan daban-daban. Hasara: lalata tagulla.
Dangane da yin amfani da samfuran da aka raba zuwa: Tsarin tsarin, mai jure yanayin yanayi, shingen kofa da taga, shingen haɗin gwiwa, mai ɗaukar wuta mai ƙarfi, shingen rigakafin mildew, babban zazzabi mai zafi.
Dangane da launi na samfurin zuwa maki: na al'ada launi baki, ain fari, m, azurfa launin toka 4 iri, sauran launuka za mu iya aiwatar bisa ga abokin ciniki bukatun toning.
Akwai nau'ikan nau'ikan nau'ikan nau'ikan ci-gaba na fasaha na silicone sealant kuma. Nau'i ɗaya, mai sunam matsiSilicone sealant, yana da matsi na dindindin kuma yana manne da matsi da gangan - a wasu kalmomi, kodayake koyaushe zai kasance “mai ɗaure,” ba zai tsaya ba idan wani abu kawai ya goge ko ya tsaya akansa. Wani nau'in kuma ake kiraUV or radiation warkeSilicone sealant, kuma yana amfani da hasken ultraviolet don warkar da abin rufewa. Daga karshe,thermosetSilicone sealant yana buƙatar haskakawa ga zafi don warkewa.
Ana iya amfani da silinda mai siliki a aikace-aikace iri-iri. Ana yawan amfani da irin wannan nau'in na'urar a cikin motoci da aikace-aikace masu alaƙa, kamar taimako don rufe injin, tare da ko ba tare da gaskets ba. Saboda mafi girman sassaucin sa, silin kuma zaɓi ne mai kyau don sha'awa ko sana'a da yawa.
Lokacin aikawa: Dec-29-2023
