Tag: poda coating pretreatment
Filiform corrosion iri kuoneka zvakanyanya paaluminium
Filiform corrosion imhando yakakosha yekuora inoonekwa zvakanyanya paaluminium. Chiitiko chacho chakafanana nehonye inokambaira pasi pejasi, inogara ichitanga kubva kumucheto wakachekwa kana kukuvadzwa mumucheka. Filiform corrosion inokura zviri nyore kana chinhu chakaputirwa chikaiswa munyu pamwe netembiricha 30/40°C uye mwando 60-90%. Iri dambudziko saka rinongogumira kunzvimbo dzemahombekombe uye rakabatana neinosuruvarisa kusanganisa kwealuminium alloys uye pre-kurapa. Kuti uderedze filiform corrosions inorayirwa kuve nechokwadiVerenga Zvimwe…
Kemikari pamusoro pekugadzirira pamberi pehupfu
Kemikari Yepamusoro Kugadzirira Kunyanya kushandiswa kune hukama zvakanyanya nechimiro chepasi chiri kucheneswa uye chimiro chekusvibiswa. Nzvimbo zhinji dzehupfu dzakaputirwa mushure mekuchenesa ingave simbi, simbi, kana aluminiyamu. Sezvo isiri yese yemakemikari-mhando yekugadzirira inoshanda kune zvese izvi zvinhu, iyo nzira yekugadzirira yakasarudzwa zvinoenderana neiyo substrate zvinhu. Pachinhu chimwe nechimwe, mhando yekuchenesa ichakurukurwa uye maitiro ayo akasiyana eiyo substrate achatsanangurwa. Maitiro ekushandisa chaiwo akanyanyaVerenga Zvimwe…
Shanduko Coating of Galvanized Simbi
Iron phosphates kana cleaner-coater zvigadzirwa zvinogadzira zvishoma kana zvisingaonekwe ekushandura mabhanhire pane zinc pamusoro. Mazhinji multimetal ekupedzisa mitsara anoshandisa yakagadziridzwa iron phosphates inopa kuchenesa, uye inosiya micro-makemikari etch pane zinc substrates kupa adhesion zvivakwa. Makanzuru mazhinji nematunhu zvino ane miganhu pazinc PPMs, zvichimanikidza simbi dzekupedza simbi kuti dzipe kurapwa kwechero mhinduro umo zinc substrates inogadziriswa. Iyo zinc phosphate conversion coating, pamwe, iyo yepamusoro yemhando yekupfeka iyo inogona kugadzirwa pamusoro pemarara. ToVerenga Zvimwe…
Tsanangudzo dze corrosion classification
Serubatsiro mukutsvaga kuti ndezvipi zvinodiwa kuti munhu atange arapwa, tinogona kutsanangura kupatsanurwa kwakasiyana kwecorrosion: Corrosion Class 0 Mumba mune hunyoro hunopfuura 60% Kashoma kukonzeresa Corrosion risk (aggressivity) CORROSION CLASS 1 Mumba mune isingadziye, inofefetera zvakanaka. kamuri Ngozi shoma yekuora (hasha) Corrosion Kirasi 2 Mumba mune tembiricha inochinja uye mwando. Kunze munzvimbo dzekunze, kure negungwa neindasitiri. Njodzi yecorrosion yepakati (aggressivity) CHIKRASI CHECHITATU Munzvimbo dzine vanhu vakawanda kana pedyo nenzvimbo dzemaindasitiri. Pamusoro pemvura yakashamaVerenga Zvimwe…
Phosphate Coatings Pretreatment yeSimbi Substrates
Phosphate Coatings Pretreatment for Simbi Substrates Iyo inozivikanwa pre-kurapwa kwesimbi substrates nguva pfupi isati yaiswa poda ndeye phosphating iyo inogona kusiyanisa mukuremedza. Iyo yakakura iyo yekuchinjisa coating uremu ndiyo yakakura dhigirii yekudzivirira kwemarara inowanikwa; iyo yakaderera coating uremu zviri nani michina zvinhu. Saka zvinodikanwa kuti usarudze kuwirirana pakati pema mechanical properties uye kurwisana nekuora. High phosphate coating weights inogona kupa dambudziko nehupfu hwekuputira mune iyo crystal kuputsika kunogona kuitikaVerenga Zvimwe…
Alkaline Acid Cleaners yeCLEANING ALUMINIUM
Zvicheneso zveKUCHENZA ALUMINUM Alkaline Cleaners Alkaline cleaners for aluminium yakasiyana neiyo inoshandiswa simbi; kazhinji vane musanganiswa wemunyu wakapfava wealkaline kudzivirira kurwisa nzvimbo yealuminium. Mune zvimwe zviitiko, diki kusvika pakati nepakati yemahara caustic soda inogona kunge iripo mune inochenesa kubvisa ivhu rakaoma, kana kupa inodiwa etch. Mune simba rekupfapfaidza nzira yekushandisa, zvikamu zvinofanirwa kucheneswa zvinomiswa mumugero apo mhinduro yekuchenesaVerenga Zvimwe…
Pendi Kubvisa, Maitiro ekubvisa Pendi
Mabvisirwo Ependi Kana uchipendazve chikamu, jasi repende idzva risati raiswa chekare, pendi kazhinji inofanira kubviswa. Kuongororwa kwekuderedza tsvina kunofanira kutanga nekuongorora kuti chii chinokonzera kudiwa kwekupendazve: kusakwana kwekutanga chikamu kugadzirira; kukanganisa mukuputira kushandiswa; matambudziko emidziyo; kana kukanganisa kwekuvhara nekuda kwekubata kusina kunaka. Kunyange zvazvo pasina maitiro akakwana, kuderedza kudiwa kwekupenda zvakare kune simba rakananga pahuwandu hwemarara anogadzirwa kubva pakubviswa kwependi. Kamwe kudiwa kwependeVerenga Zvimwe…
Mhando dzePhosphate Kurapa kwePowder Coating
Mhando dzePhosphate kurapwa kwehupfu yekuputira Iron phosphate Kurapa nesimbi phosphate (inowanzonzi yakatetepa layer phosphating) inopa yakanakisa adhesion zvivakwa uye haina mhedzisiro yakaipa mumichina yehupfu hwekuputira. Iron phosphate inopa yakanaka corrosion dziviriro yekufumurwa mumakirasi ekudzika uye epakati, kunyangwe isingakwanise kukwikwidza ne zinc phosphate mune izvi. Iron phosphate inogona kushandiswa mupfapfaidzo kana dip nzvimbo. Nhamba yematanho mukuita inogonaVerenga Zvimwe…
Chromate coating yealuminium pamusoro
Aluminium uye aruminiyamu alloys anobatwa neiyo corrosion resistant conversion coating inonzi "chromate coating" kana "chromating". General nzira ndeyekuchenesa nzvimbo yealuminium uye wozoisa acidic chromium kuumbwa pane iyo yakachena nzvimbo. Chromium conversion coatings inoshingirira mukuora zvakanyanya uye inopa kuchengetedzwa kwakanaka kwemajasi anotevera. Rudzi rwakasiyana rwemachira anotevera anogona kuiswa kune chromate yekushandura coating kuti ibudise inogamuchirwa nzvimbo. Yatinoti phosphating kusimbi simbi ndiyoVerenga Zvimwe…
Zvinodiwa kuti upfu coating pamusoro inopisa dip galvanizing
Zvinotevera zvinotsanangurwa zvinokurudzirwa: Shandisa zinc phosphate pretreatment kana yakanyanya kunamatira ichidikanwa. Pamusoro panofanira kuva yakachena zvachose. Zinc phosphate haina detergent chiito uye haibvise mafuta kana ivhu. Shandisa iron phosphate kana yakajairika kuita kunodiwa. Iron phosphate ine diki detergent chiito uye inobvisa zvishoma zvishoma zvekusvibiswa kwepamusoro. Yakanyanya kushandiswa kune pre-galvanized zvigadzirwa. Pre-heat basa risati rashandiswa poda. Shandisa 'degassing' giredhi polyester poda coating chete. Tarisa kupora kwakaringana ne solventVerenga Zvimwe…
Phosphating kutendeuka machira
Iyo inozivikanwa pre-kurapwa kwesimbi substrates nguva isati yatanga kushandiswa kwehupfu hwekufukidzira ndeye phosphating iyo inogona kusiyanisa mukuyeresa uremu. Iyo yakakura iyo yekuchinjisa coating uremu ndiyo yakakura dhigirii yekudzivirira kwemarara inowanikwa; iyo yakaderera coating uremu zviri nani michina zvinhu. Saka zvinodikanwa kuti usarudze kuwirirana pakati pema mechanical properties uye kurwisana nekuora. High phosphate coating weights inogona kupa dambudziko neupfu hwekuputira mune iyo crystal kuputsika kunogona kuitika kana iyo yekuputira ichiiswa.Verenga Zvimwe…