An buga 2016-12-22Sanannen abu ne cewa Dacromet shine maganin ruwa mai tarwatsewa wanda ya ƙunshi flake na zinc, flake aluminum da ƙari.Workpieces bayan tsoma da spraying, curing 20min a 80 ℃ a pre-dumama tanderu, 30min a 300 ℃ a curing tanderu.Yi hexavalent chromium ya kasance barasa mai adipic da raguwar kwayoyin halitta cikin ruwa na dacromet shafi baya narke cikin ruwa.
Ya kamata a lura cewa raguwar chromium hexavalent zuwa trivalent chromium da trivalent chromium oxidation zuwa chromium hexavalent tsari ne mai juyawa.Saboda haka, a cikin sintered workpiece, trivalent chromium zai ci gaba da zama oxidized zuwa hexavalent chromium, kuma hexavalent chromium ne carcinogen, don haka lamba zai kawo illa ga lafiya.Sabili da haka, maganin gargajiya na chromium-dauke da sutura ba gaba ɗaya ba ne, idan dai kasancewar chromium hexavalent, zai sami wani tasiri akan yanayi da mutane, saboda haka, shaharar Dacromet na chrome kyauta yana da mahimmanci.
Tare da ƙoƙarin kare muhalli na ƙasa yana ci gaba da ƙarfafawa, ƙarin masana'antun kera motoci suna buƙatar sassa masu rufaffiyar dacromet kyauta.Kuma har ma da haɓaka ƙa'idodin fasaha na chrome dacromet kyauta.Irin su Volkswagen GMW3359, GM7111M da dai sauransu.
Dacromet mai kyauta na Chrome galibi yana neman wasu abubuwa maimakon chromic acid passivation da bonding.Rufin Dacromet kyauta na Chrome yana amfani da silicon Organic, silicon inorganic, molybdate, tungstate, phosphate a matsayin mai ɗaure, irin wannan amfani da scaly zinc / flake aluminium azaman babban ɓangaren filler, kuma ta hanyar jerin hatimi Bayan jiyya, don cimma kyakkyawan sakamako iri ɗaya. juriya lalata tare da chromium-dauke da shafi na Dacromet.
Fasahar Dacromet kyauta ta Chrome ba wai kawai tana da fa'ida ta fasahar chromium-dacromet ba, har ma daga shirye-shiryen fenti, sutura, fim, suturar kanta ba ta da chromium na hexavalent, ainihin ma'anar fahimtar kore mara guba mara lahani.Daga ra'ayi na muhalli, a cikin sararin duniya na chrome free Dacromet maimakon chrome dacromet janar shugabanci ba zai canza ba, zai kawo sabon zagaye na fasahar rigakafin lalata na juyin juya halin muhalli.
Lokacin aikawa: Janairu-13-2022