Matakan da ke cikin teku, jiragen ruwa, injinan iska na bakin teku, da kayan aikin injiniya na ruwa suna fuskantar maƙiyi marar ƙarfi: fesa gishiri . Yana lalata karafa, yana lalata kayan adhesives, kuma yana rage rayuwar kayan aiki. Can PTFE high-zazzabi tef tsira daga wadannan matsananci yanayi?
Amsa ta takaice: PTFE substrate kanta ba shi da lalacewa a cikin gishiri. Amma gaba ɗaya aikin tef ɗin ya dogara sosai akan nau'in mannewa da ingancin shigarwa.
Aokai PTFE ya ba da kaset na PTFE don aikace-aikacen ruwa na shekaru. Wannan labarin yana bayanin juriya na feshin gishiri, zaɓin mannewa, shirye-shiryen ƙasa, rufe baki, da kiyayewa - don haka zaku iya samun dogaro na dogon lokaci a yanayin bakin teku da na bakin teku.
Resistance Salt Spray - PTFE Substrate vs. Adhesive
1. PTFE Substrate - Cikakken Resistant
PTFE yana nuna rashin ƙarfi na sinadarai. Yana da kusan rashin amsawa tare da ruwan teku da fesa gishiri, tare da yawan sha ruwa ƙasa da 0.01% . Hakanan yana ba da ingantaccen UV da juriya na yanayi. Tsarin PTFE da kansa yana da juriya ga feshin gishiri - babu lalata, lalacewa, ko asarar kaddarorin jiki.
Maɓalli mai mahimmanci: PTFE ba ta nuna wani canjin nauyi da za a iya aunawa ko lalacewa bayan dubban sa'o'i a cikin ɗakunan gishiri.
2. Adhesive - The Rauni Link
Gabaɗaya juriyar feshin gishiri na tef ɗin ya dogara ne akan nau'in mannewa:
Nau'in mannewa
Resistance Salt Spray
Dace da Marine
Silicone PSA
Kyakkyawan - yana jure wa 500-1000 + gwajin gwajin gishiri tsaka tsaki; riƙe ƙarfin kwasfa> 80%
Me yasa silicone yayi nasara: Tsarin silicone mai haɗin giciye shine ainihin hydrophobic, mai jurewa UV, kuma barga tsakanin -70°C zuwa 260°C. Yana kula da mannewa da sassauƙa ko da bayan tsawaita bayyanar feshin gishiri.
Me yasa acrylic ya kasa: Adhesives na al'ada na acrylic suna sha hydrolysis a cikin mahalli mai zafi. Gwargwadon gishiri yana haɓaka rugujewar haɗin gwiwar ester, yana haifar da laushi mai laushi, ƙaura, da gazawar haɗin gwiwa.
Aokai PTFE yana amfani da PSA silicone mai girma kawai don kaset ɗin PTFE masu darajar ruwa. Mun inganta kaset ɗin mu ta hanyar gwajin feshin gishiri tsaka tsaki na sa'o'i 1000 mai zaman kansa tare da> 80% riƙe ƙarfin kwasfa - akwai takaddun da ake buƙata.
Bukatun Aikace-aikacen don Ma'aunin Ruwa & Babban Gishiri Mai Ruwa
Don ingantaccen sabis a kan dandamali na ketare, tasoshin ruwa, wuraren wutar lantarki na bakin teku, da kayan aikin injiniya na ruwa, ana buƙatar cikakken tsarin sarrafawa da ke rufe zaɓin kayan, gini, ƙira, da kiyayewa.
1. Zabin kayan aiki
Bukatu
Ƙayyadaddun bayanai
M
Silicone-tushen, zafin jiki juriya ≥260 ° C, dogon lokaci resistant zuwa high zafi, gishiri fesa, da UV
Substrate
Fim ɗin PTFE mai tsabta ko masana'anta na fiberglass mai inganci na PTFE - babban ƙarfin injin, ƙarancin ƙarfi, ingantaccen yanayi
Aikace-aikacen rufin lantarki
Zaɓi kauri tef bisa ga matakin ƙarfin lantarki; asusu don nisan rarrafe don hana rarrafe saman ƙasa ƙarƙashin feshin gishiri da yanayin damp
2. Maganin Sama
Cire mai sosai, gishiri, da tsatsa daga saman haɗin gwiwa. Tabbatar cewa saman ya bushe gaba daya.
Shafa akai-akai tare da ethanol mai ƙarancin ruwa ko acetone har sai wani gurɓataccen abu ya ragu.
Don filayen ƙarfe: An ba da shawarar don yin roughen ta hanyar ɓarke yashi ko yashi (80-120 grit) don haɓaka ƙarfin injin injin.
Don matsananciyar yanayi: Aiwatar da siliki na bugu da ƙari - yana inganta mannewa na farko da juriya na feshin gishiri na dogon lokaci akan filayen ƙarfe.
Dalilin da ya sa wannan ya shafi: Tef-substrate interface shine mafi rauni a wuraren fesa gishiri. Rashin isassun magani yana ba da damar feshin gishiri don kutsawa tare da mu'amala, haifar da lalata kayan ƙarfe ko lalata manne.
3. Tsarin Gina
Mataki
Bukatu
Me yasa
Yanayin muhalli
Yanayin yanayi ≥10°C, dangi zafi ≤75%. Kada a shafa a saman raɓa ko rigar
Yana hana tashewa a ƙarƙashin tef
Kawar da kumfa ta iska
Mirgine ko kaset mai santsi cikakke bayan aikace-aikacen don fitar da duk kumfa na iska
Yana tabbatar da matsewar lamba 100%, babu sarari don feshin gishiri ya taru
Faɗin cinya
≥10-15 mm. Aiwatar da ƙarin matsa lamba akan wuraren da suka haɗa juna. Zabi mai laushi m tare da ƙananan zafin iska mai zafi kafin dannawa
Yana haɓaka hatimi a zoba
Edge sealing (mahimmanci ga marine)
Rufe duk gefuna da aka fallasa tare da silicone sealant mai jure yanayi
Yana toshe kutsewar gishiri tare da musaya - mafi mahimmancin mataki don dogaro na dogon lokaci
4. Zane & Ka'idojin Zabi
Nisa tef - Zai fi girma fiye da yankin da aka karewa, yana tanadin cikakken gefen hatimi na akalla 5-10 mm a kowane gefe.
Fadada yanayin zafi - Ganin canje-canjen zafin jiki mai tsauri tsakanin wuraren hasken rana/inuwa da rana/dare, zaɓi kaset tare da sassauci mai kyau da daidaituwa don guje wa haɓakawa daga hawan keken zafi.
Lantarki na Electrochemical - Lokacin da aka yi amfani da tsarin kariya na cathodic ko haɗin gwiwar karafa iri-iri, tabbatar da cewa tef ɗin yana da isasshiyar juriya mai ƙarfi don gujewa lalata galvanic.
5. Aiki & Maintenance
Aiki
Yawanci
Aiki
dubawa akai-akai
Kowane watanni 3-6
Bincika don yaƙe-yaƙe, lalacewa, tsagewa, amincin hatimin gefen
Gishiri ajiya cire
Kamar yadda ake buƙata (bayan abubuwan fesa gishiri)
Kurkura da ruwa mai dadi; bar bushewa ta halitta. Guji riƙon gishiri na dogon lokaci (samfurin da aka mayar da hankali kan mafita, mu'amalar hari)
Gyara lalacewar gida
Nan take
Tsaftace yankin da ya lalace, yi amfani da sabon tef kowane daidaitaccen tsari, sake rufe gefuna
Canjin da aka tsara
Dangane da ƙwarewar filin + ingantattun sakamakon gwaji
Sauya ko da babu lahani na bayyane - da zarar rayuwar sabis ta kai
Takaitawa - Mahimman Abubuwan Nasara don Aikace-aikacen Tef na PTFE na Marine
Dalilin Nasara
Mahimman Aiki
Zaɓin m
Yi amfani da PSA silicone kawai - acrylic zai gaza
Aiwatar da silinda mai jure yanayin yanayi zuwa duk gefen da aka fallasa - wanda ba za a iya sasantawa ba ga ruwa
Kulawa na yau da kullun
Duba kowane watanni 3-6; kurkura gishiri adibas; gyara lalacewa nan da nan
Canjin da aka tsara
Dangane da ƙwarewar filin - kar a jira gazawar bayyane
A taƙaice , PTFE high-zazzabi tef ne inherently kyau kwarai ga marine da high gishiri fesa muhallin – da PTFE substrate tsayayya gishiri, UV, da danshi daidai. Koyaya, amincin tef ɗin na dogon lokaci ya dogara da abin ɗamara. Silicone PSA shine kawai zaɓi don aikace-aikacen waje da bakin teku, tare da tabbatar da aikin gwajin gishiri na sa'o'i 500-1000+ (> 80% riƙe kwasfa). Acrylic PSA zai gaza cikin watanni.
Bayan zaɓin mannewa, nasara na buƙatar tsaftataccen tsaftar ƙasa da jujjuyawa, aikace-aikacen kumfa, kuma - mafi mahimmanci - rufe baki tare da silin siliki don toshe kutsewar gishiri. Binciken akai-akai da kuma sauye-sauyen da aka tsara sun cika dabarun dogaro.
Kuna buƙatar tef ɗin PTFE don aikace-aikacen ruwa ko na teku? Aokai PTFE yana ba da kaset ɗin PSA PTFE na silicone waɗanda aka inganta don juriyar feshin gishiri. Tuntube mu tare da yanayin muhallinku, kayan da ake tsammani, da rayuwar sabis da ake tsammanin don ingantaccen shawarwarin.
Idan kuna son ƙarin koyo game da cikakkun sigogi, yanayin aikace-aikacen, da mafita na musamman don kewayon samfuranmu, gami da masana'anta masu zafin jiki na PTFE, kaset ɗin zafin jiki na PTFE, bel ɗin raga na PTFE, bel ɗin injin fusing mara ƙarfi, yadudduka PTFE guda ɗaya mai gefe, babban zafin jiki mai juriya mai ɗaukar hoto da bel ɗin filastik mai ƙarfi, bel ɗin gilashi mai tsayi mai tsayi, bel ɗin filastik mai ƙarfi .
