A cikin tsire-tsire masu sinadarai, layukan lantarki, da masana'anta na semiconductor, kayan aiki koyaushe suna fallasa su zuwa ga acid, alkalis, da kaushi. Zaɓin kayan kariya mai kyau yana tasiri kai tsaye ga aminci da rayuwar kayan aiki.
PTFE (polytetrafluoroethylene) galibi ana kiranta da 'sarkin filastik' saboda tsananin rashin kuzarinsa. Amma 'inert' ba yana nufin 'wanda ba a iya cin nasara ba' - wadanne sinadarai ne zasu iya lalata shi? Ta yaya zafin jiki da maida hankali ke shafar aikinsa?
A Aokai PTFE , mun shafe shekaru gwaji Yadudduka masu rufaffiyar PTFE akan mahallin sinadarai na zahiri. Wannan labarin yana raba abubuwan bincikenmu don taimaka muku zaɓi cikin hikima.
Sinadaran da PTFE Fabric High-Temperature Juriya
1. Acids masu ƙarfi
PTFE masana'anta yana ba da kyakkyawan juriya ga:
Sulfuric acid (H₂ SO₄)
Nitric acid (HNO₃)
Hydrochloric acid (HCl)
Phosphoric acid (H₃PO₄)
Acids mai ƙarfi kamar aqua regia da hydrofluoric acid (HF)
2. Alkalai masu karfi
Mai jure wa sodium hydroxide (NaOH), potassium hydroxide (KOH), ruwan ammonia (NH₃ · H₂O), da sauran abubuwa masu ƙarfi na alkaline.
3. Maganganun Halitta
Inert ta hanyar kemikal akan yawancin kaushi na halitta, gami da alcohols (methanol, ethanol), ketones (acetone, MEK), hydrocarbons (benzene, toluene, xylene), da fetur.
4. Sauran Sinadaran
Yana riƙe da ingantaccen aiki akan abubuwan da ake buƙata (misali, hydrogen peroxide), gishiri (sodium chloride, sodium sulfate), da iskar gas (chlorine, hydrogen sulfide).
Iyakance - Sinadaran da ke lalata Fabric na PTFE
Duk da mafi girman juriya na sinadarai, masana'anta masu zafin jiki na PTFE suna da iyakancewa a ƙarƙashin matsanancin yanayin zafi ko babban yanayi. Wasu takamaiman sinadarai na iya haifar da lalacewa kamar yadda aka lissafa a ƙasa:
Abubuwan da ba su da juriya
Lalacewa Yanayi & Tasiri
Narkakken alkali karafa (sodium, potassium)
Yana lalata tsarin kwayoyin PTFE mai tsanani - PTFE an rage shi zuwa carbon
Ma'aikatan fluorine masu ƙarfi (gas na fluorine, chlorine trifluoride, perchloryl fluoride)
Amsa da lalata kayan, musamman a yanayin zafi
Bugu da ƙari, masana'anta mai rufi na PTFE don amfani da: ba a ba da shawarar
Chlorine trifluoride (ClF₃) - ƙonewa na gaggawa na iya faruwa
Oxygen difluoride (OF₂) - tashin hankali dauki
Liquid ko gas mai suna fluorine (F₂) a yanayin zafi - yana kai hari ga PTFE
Abubuwan Da Suka Shafi Juriyar Sinadarai Na Fabric Mai Rufe PTFE
Abubuwa da yawa suna shafar ainihin juriya na lalata PTFE masana'anta mai zafin jiki a aikace-aikacen ainihin duniya:
Zazzabi: Tsayayyen aikin sinadarai ana kiyaye shi tsakanin -70°C zuwa 260°C. Juriya yana raguwa a kan takamaiman sinadarai a yanayin zafi da yawa.
Mayar da hankali: Nitsewa na dogon lokaci a cikin matsugunin watsa labarai masu lalata na iya lalata aikin kayan aiki. Ana ba da shawarar gwajin kan layi.
Damuwar injina: Haɗuwar lalata sinadarai da gogayya ta inji tana haɓaka tsufa. Kare rufin PTFE daga karce yana da mahimmanci - da zarar an lalace, fiberglass ɗin da ke ciki ya zama mai rauni.
Tsawon lokacin fallasa: Juriya na ɗan gajeren lokaci ya bambanta da ci gaba da nutsewa.
Matsin lamba: Hawan matsi na iya tilasta sinadarai zuwa cikin ramukan da ba a gani ba ko lahani.
Bayanan dakin gwaje-gwaje na Aokai PTFE sun nuna cewa ana yawan yin la'akari da haɗin kai da zafin jiki. Alal misali, masana'anta na PTFE da ke da shekaru a cikin 50% sulfuric acid a 100 ° C na iya nuna launin fata a cikin watanni a 200 ° C tare da taro iri ɗaya. Koyaushe yi amfani da gefen aminci.
Takaitawa - Juriya na Chemical na PTFE High-Temperature Fabric
Nau'in Sinadari
Matsayin Juriya
Bayanan kula
Acids mai ƙarfi (sulfuric, nitric, HCl, HF, aqua regia)
Madalla
Har zuwa 260 ° C, sai dai zafi mai daɗaɗɗen oxidizing acid
alkalis mai ƙarfi (NaOH, KOH, ammonia)
Madalla
Babu wani gagarumin lalacewa
Organic kaushi (giya, ketones, aromatics, fetur)
Madalla
Kumburi na iya faruwa tare da wasu kaushi
Oxidants, gishiri, iskar gas
Da kyau zuwa Excellent
Duba takamaiman yanayi
Narkakken alkali karafa
Bai dace ba
Cikakken lalacewa
Magunguna masu ƙarfi masu ƙarfi
Bai dace ba
Halin sinadarai a matsanancin zafi
Don yawancin mahallin sinadarai na masana'antu, masana'anta mai rufi na PTFE suna ba da abin dogaro, aiki mai dorewa. Koyaya, koyaushe tabbatar da dacewa ƙarƙashin ainihin yanayin aiki - musamman zafin jiki, maida hankali, da damuwa na inji.
A taƙaice , masana'anta masu zafin jiki na PTFE suna ba da juriya ga kusan dukkanin acid, alkalis, da kaushi na halitta a cikin kewayon aikin sa na yau da kullun (-70 ° C zuwa 260 ° C). Maɓallin keɓancewa shine narkakken alkali karafa da ƙaƙƙarfan jami'an fluorinating. Hot, mai da hankali oxidizing acid shima yana buƙatar ƙarin taka tsantsan.
A aikace, zafin jiki, maida hankali, da damuwa na inji suna aiki tare don rinjayar rayuwar kayan aiki. Don yanayi mai mahimmanci, muna ba da shawarar gwajin kan-site ko amfani da tazarar aminci na 30-40°C ƙasa da matsakaicin ƙimar zafin jiki.
Kuna buƙatar taimako tare da takamaiman yanayin sinadarai? Ƙungiyar fasaha ta Aokai PTFE ta tattara bayanan lalata don daruruwan kafofin watsa labaru. Tuntuɓe mu don jagorar zaɓi ko keɓance hanyoyin masana'anta mai rufi na PTFE.
Jiangsu Aokai New Materials Technology Co., Ltd. ne ya bayar.
Don cikakkun sigogi, yanayin aikace-aikacen, da keɓaɓɓen mafita na samfuran samfuran samfuran da suka haɗa da masana'anta na PTFE high zafin jiki, PTFE high zafin jiki tef, PTFE raga bel, sumul fusing bel, guda-gefe PTFE zane, high zafin jiki resistant conveyor bel da fiberglass masana'anta , don Allah ji free to tuntube mu:
