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Surface Coatings

Kuti tisangane nezvinodiwa zvemapurojekiti akasiyana, tinopa tekinoroji dzakasiyana-siyana dzekupfeka tekinoroji dzakagadzirirwa mamiriro ekunze enzvimbo uye zvinodiwa pamusika. Isu tinopa akagadziridzwa epamusoro marapirwo kune ese zvigadzirwa zvedu, zvichibva pane zvinodiwa nevatengi, uku tichipawo kurudziro yehunyanzvi.

Anodizing vs. Powder Coating

Iyi tafura inotevera inoratidza kuenzanisa kwakananga pakati peanodizing uye poda coatings sepamusoro pekugadzirisa maitiro.

Anodizing

Powder Coating

Inogona kuve yakaonda kwazvo, zvichireva chete shanduko shoma kune zviyero zvechikamu.

Inogona kuwana majasi akakora, asi zvakaoma kwazvo kuwana danda rakatetepa.

Yakakura akasiyana-siyana esimbi mavara, ane akatsetseka kupera.

Zvinoshamisa zvakasiyana-siyana mumavara uye maumbirwo anogona kuwanikwa.

Nekudzokorodza kwakaringana kwe electrolyte, anodizing ine hushamwari hwakatipoteredza.

Hapana zvinonyungudutsa zvinosanganisirwa mukuita uku, zvichiita kuti zvive zvine hushamwari zvakatipoteredza.

Kupfeka kwakanakisa, kukwenya, uye kusagadzikana kwekuora.

Good corrosion resistance kana nzvimbo iri yunifomu uye isina kukuvara. Inogona kupfeka uye kukwenya zviri nyore pane anodizing.

Inoshingirira kupera kweruvara chero bedzi dhayi yakasarudzwa iine yakakodzera UV kupikisa kwekushandisa uye yakavharwa nemazvo.

Kunyanya kushingirira kudzima kwemavara, kunyangwe kana yakafumurwa kune UV mwenje.

Inoita kuti aruminiyamu pamusoro pemagetsi ive isina-conductive.

Mamwe magadzirirwo emagetsi mukuputira asi asina kunaka searuminiyamu isina chinhu.

Inogona kuva nzira inodhura.

Yakanyanya kudhura-inoshanda pane anodizing.

Aluminium inogadzika mutsetse mutete weokisidhi pamusoro payo kana yaiswa mumhepo. Iyi oxide layer haina kupindirana, zvichireva kuti haichapindirana nenharaunda yakatenderedza - uye inodzivirira yasara simbi kubva kuzvinhu.

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Anodizing

Anodizing mushonga wepamusoro wealuminium zvikamu zvinotora mukana weiyi oxide layer nekuiomesa. Vanamazvikokota vanotora chidimbu chealuminium, senge chikamu chakawedzerwa, vochinyudza mubhati remagetsi, uye vanomhanyisa magetsi kuburikidza naro.

Nekushandisa aluminium seanode mudunhu, iyo oxidation process inoitika pamusoro pesimbi. Iyo inogadzira iyo oxide layer yakakora kupfuura iyo inowanzoitika.

Powder coating

Powder coating ndiyo imwe mhando yekupedzisa nzira inoshandiswa pane zvakasiyana-siyana zvesimbi zvigadzirwa. Iyi nzira inoguma nekudzivirira uye kushongedza kwepamusoro pamusoro pechigadzirwa chakarapwa.

Kusiyana nemamwe maapplication ekuputira (semuenzaniso, kupenda), kupfekedza hupfu inzira yakaoma yekushandisa. Hapana zvinonyungudutsa zvinoshandiswa, zvichiita kuti poda ifukidze imwe nzira ine ushamwari kune mamwe marapirwo ekupedzisa.

Mushure mekuchenesa chikamu, nyanzvi inoshandisa poda nerubatsiro rwepfuti yespray. Pfuti iyi inoshandisa negative electrostatic charge kune hupfu, izvo zvinoita kuti ikwekwe kune yakadzika simbi chikamu. Hupfu hunoramba hwakabatana nechinhu ichi kana ichiporeswa muchoto, ichishandura jasi rehupfu kuita yunifomu, yakasimba.

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PVDF coatings

PVDF machira anokwana pakati pemhuri yefluorocarbon yemapurasitiki, ayo anoumba mabhondi akanyanya kugadzikana mumakemikari uye nemafuta. Izvi zvinogonesa mamwe maPVDF ekuputira akasiyana-siyana kuti arambe achisangana kana kupfuura zvakaomesesa zvinodiwa (seAAMA 2605) nekuderera kushoma kwenguva refu. Iwe unogona kunge uchinetseka kuti machira aya anoiswa sei.

Iyo PVDF Application process

PVDF machira ealuminium anoiswa mudumba rekupenda nepfuti yekupfapfaidza yemvura. Matanho anotevera anotsanangura maitiro akazara ekuzadzisa yemhando yepamusoro PVDF coating:

  1. Kugadzirira Kwepamusoro- Chero ipi neipi yemhando yepamusoro inoda kugadzirira kwakanaka kwepamusoro. Yakanaka PVDF yekubatisa adhesion inoda kuchenesa, kudzikisa, uye deoxidizing (kubvisa ngura) iyo aruminiyamu pamusoro. Superior PVDF machira anozoda kuti kushandiswa kwechrome-based conversion coating kuti iiswe pamberi pekutanga.
  2. Primer- Iyo primer inonyatso kudzikamisa uye inodzivirira simbi pamusoro apo ichivandudza kunamatira kwepamusoro pejasi.
  3. PVDF Top Coating- Ruvara pigment zvimedu zvinowedzerwa pamwe nekushandiswa kweiyo yepamusoro yekuputira. Musoro wepamusoro unoshanda kupa chifukidzo nekudzivisa kukanganisa kubva kune chiedza chezuva nemvura, pamwe nekuwedzera kweabrasion resistance. Kuvhara kunofanira kuporeswa mushure medanho iri. Iyo yekuputira yepamusoro ndiyo yakakora musara muPVDF coating system.
  4. PVDF Yakajeka Coating- Mune 3-layer PVDF coating process, iyo yekupedzisira layer ndiyo yakajeka yekuvhara, iyo inopa imwe chengetedzo kubva kune zvakatipoteredza uye inobvumira ruvara rwetopcoat kuburikidza pasina kuisa pachena kukuvara. Iyi yekuputira layer inofanirawo kurapwa.

Kana zvichidiwa kune mamwe maapplication, 2-jasi kana 4-jasi process inogona kushandiswa panzvimbo ye3-jasi nzira inotsanangurwa pamusoro.

Mabhenefiti Akakosha ekushandisa PVDF Coatings

  • Yakanyanya kushamwaridzana kwezvakatipoteredza kupfuura dip coatings, ine volatile organic compounds (VOCs)
  • Kudzivirira kuchiedza chezuva
  • Kudzivirira kune corrosion uye chalking
  • Kudzivirira kupfeka uye abrasion
  • Inochengetedza yakakwira ruvara kuenderana (inoramba kupera)
  • Kupikisa kwakanyanya kumakemikari uye kusvibiswa
  • Kugara kwenguva refu nekugadzirisa kushoma

Kuenzanisa PVDF uye Powder Coatings

Misiyano yepakutanga pakati pePVDF yekupfeka uye poda coating ndeyekuti PVDF coatings:

  • Shandisa pendi yakakwenenzverwa yemvura, nepo machira ehupfu anoshandisa hupfu hwakaiswa mumagetsi
  • Idzo dzakatetepa kupfuura poda coatings
  • Inogona kurapwa pakamuri tembiricha, ukuwo hupfu hwekuputira hunofanira kubikwa
  • Inoshingirira kuchiedza chezuva (UV mwaranzi), nepo machira ehupfu anopera nekufamba kwenguva kana akafumurwa
  • Inogona chete kuve nekupedza matte, nepo machira ehupfu anogona kuuya mune yakazara yakazara mavara uye kupera
  • Zvinodhura zvakanyanya pane zvekupfapfaidza hupfu, izvo zvakachipa uye zvinogona kuchengetedza mari yekuwedzera nekushandisa zvakare yakawandisa-spray poda.

Ndinofanira Kupfekedza Architectural Aluminium nePVDF?

Zvinogona kutsamira pamashandisirwo ako chaiwo asi kana iwe uchida kusimba zvakanyanya, kusagadzikana kwezvakatipoteredza, uye zvekugara kwenguva refu extruded kana yakakungurutswa aruminiyamu zvigadzirwa, PVDF coatings inogona kunge yakakunakira iwe.

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