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Introduction
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This is a list of which Japanese models are known to be affected by Zinc Pest. You can read more about the phenomena here: https://en.wikipedia.org/wiki/Zinc_pest
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Once a model is affected, the process is irreversible and the damaged parts need to be replaced.
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That your model is on this list, does not automatically mean that your train will crumble into dust, as it could be that your specific model is made with a different batch of Zinc.
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Most affected Micro Ace models are from a batch of releases from May & June 2010 (grouping is highlighted in green).
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It is worthwhile to keep an eye on the models you own that are included on this list, and to doublecheck second hand purchases you make.
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If a model is affected but not on this list, let me know through JNS Forum http://www.jnsforum.com/community/topic/15657-list-of-zinc-pest-zinc-rot-affected-japanese-model-trains/
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ManufacturerProduct codeYear ReleasedMonthTrain ModelNotesSourceComments
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Tomix
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TOMIX??????DD51Disintegration of motor chassisReported but no other information available
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TOMIX928082010March300 Shinkansen (base)Swelling and warping of Motor chassishttp://www.jnsforum.com/community/topic/15657-cracked-tomix-300-series-chassis/
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TOMIX928092010March300 Shinkansen (expansion A)Suspected, since base model is affected, but not yet confirmed
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TOMIX928102010March300 Shinkansen (expansion B)Suspected, since base model is affected, but not yet confirmed
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TOMIX22232010DecemberDE10Swelling and warping of Motor chassisTwitter and JNS forum member
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TOMIX22222010DecemberDE10Swelling and warping of Motor chassishttps://twitter.com/tsuchiyaseije/status/1661284923204947971?s=46&t=PCdWiaMbXFqElYtImqSkAg
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Micro Ace
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Micro AceA15032000EF57-5 Joetsu TypeMotor Chassis breaking in halfhttps://shinshonan.exblog.jp/21918432/
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Micro AceA70012001C53 StreamlinedDisintegration of motor chassishttps://tetsumo.exblog.jp/23235848/Possibly A7007 also, unconfirmed
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Micro AceA02592002January0 Series ShinkansenSwelling and warping of motor chassisJNS forum member
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Micro AceA54302002AprilSeries 157 Imperial Train FormationDisintegration of motor chassishttps://twitter.com/huruyakimiaki/status/1549008729135144961
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Micro AceA89012002DecemberDD50-4/5 Tsuruga Engine DepotDisintegration of motor chassishttps://blogs.yahoo.co.jp/fusion0921/22443761.html
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Micro AceA01402005JanuaryED71-4 First VersionDisintegration of motor chassishttps://sinshonan3.exblog.jp/28187483/
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Micro AceA01412005JanuaryED71-45Disintegration of motor chassishttps://sinshonan3.exblog.jp/28187483/
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Micro AceA86682005JulyKiHa 40 View Coaster KazekkoSwelling and warpinghttps://blogs.yahoo.co.jp/fusion0921/20777263.html
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Micro AceA89062006AugustDD50-2/3 Toyama Engine DepotDisintegration of motor chassishttps://blogs.yahoo.co.jp/fusion0921/22443761.htmlConfirmed by various sources
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Micro AceA89072006AugustDD50-4/5 Toyama Engine DepotDisintegration of motor chassishttp://gxxyan.blog58.fc2.com/blog-entry-198.htmlConfirmed by various sources
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Micro AceA14042010FebruaryEF56-12Disintegration of motor chassishttps://www.youtube.com/watch?v=s2TZf44CVmw
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Micro AceA54402010March157 Series "Kodama"Swelling and warpinghttps://blogs.yahoo.co.jp/fusion0921/20777263.html
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Micro AceA54312010March157 SeriesSwelling and warpinghttps://twitter.com/huruyakimiaki/status/1549008729135144961?s=20&t=BZokWbqhoB6SutMEkkcK4A
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Micro AceA06492010May811 Series
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Micro AceA60702010MayKiHa 47 Setouchi Marine Viewhttps://youtu.be/ElgaTpFeYKQ
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Micro AceA60712010MayKiHa 140 Hayate No KazeDisintegration of motor chassisJNS forum memberConfirmed
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Micro AceA60722010MayIsaburo ShimpeiPending confirmation Some have reported body swelling, but not confirmed with pictures. http://hello.5ch.net/test/read.cgi/gage/1350697634/
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Micro AceA81442010May719 SeriesDisintegration of motor chassishttps://ameblo.jp/sendai485-1000a1a2/entry-12301317830.html
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Micro AceA81452010May719 SeriesDisintegration of motor chassishttps://ameblo.jp/sendai485-1000a1a2/entry-12301317830.html
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Micro AceA86602010MayKiHa48 Kazekko "Winter Style"Swelling and warping of Motor chassishttps://blogs.yahoo.co.jp/fusion0921/20808982.html
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Micro AceA00792010JuneKeikyu 1000 Air Conditioner CarPending confirmation Some have reported body swelling, but not confirmed with pictures. http://hello.5ch.net/test/read.cgi/gage/1350697634/
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Micro AceA00842010JuneJNR Moha 52 Shonan ColorPending confirmation Some have reported body swelling, but not confirmed with pictures. http://hello.5ch.net/test/read.cgi/gage/1350697634/
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Micro AceA00862010JuneJNR Moha 52 Maroon ColorPending confirmation Some have reported body swelling, but not confirmed with pictures. http://hello.5ch.net/test/read.cgi/gage/1350697634/
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Micro AceA28802010JuneViva Aizu 485 SeriesPending confirmation Some have reported body swelling, but not confirmed with pictures. http://hello.5ch.net/test/read.cgi/gage/1350697634/
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Micro AceA36992010JuneKuroshio 485 SeriesPending confirmation Some have reported body swelling, but not confirmed with pictures. http://hello.5ch.net/test/read.cgi/gage/1350697634/
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Micro AceA38952010JuneSeries E501 Under Floor GrayPending confirmation Some have reported body swelling, but not confirmed with pictures. http://hello.5ch.net/test/read.cgi/gage/1350697634/Set owned without issues (owned for 10 years)
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Micro AceA38972010JuneSeries E501 Under Floor GrayPending confirmation Some have reported body swelling, but not confirmed with pictures. http://hello.5ch.net/test/read.cgi/gage/1350697634/Set owned without issues (owned for 10 years)
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Micro AceA50712010JuneEidan Series 03 Hibiya SubwayPending confirmation Some have reported body swelling, but not confirmed with pictures. http://hello.5ch.net/test/read.cgi/gage/1350697634/
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Micro AceA63812010JuneKeikyu 1500 Chopper ControlPending confirmation Some have reported body swelling, but not confirmed with pictures. http://hello.5ch.net/test/read.cgi/gage/1350697634/
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Micro AceA63902010JuneKeikyu 1500 Inverter ControlPending confirmation Some have reported body swelling, but not confirmed with pictures. http://hello.5ch.net/test/read.cgi/gage/1350697634/
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Micro AceA05532010October103 Series Joban LinePending confirmation for A0551https://twitter.com/FunModel1/status/1313655200935157760?s=20&t=BZokWbqhoB6SutMEkkcK4A
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Product lines (not yet specified with model number)
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ManufacturerProduct codeYear ReleasedMonthTrain ModelNotesSourceComments
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Micro Ace
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Micro AceC63, maybe?https://blogs.yahoo.co.jp/fusion0921/20777263.html
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Micro Ace922 ShinkansenThough it has been produced around the same time as the 0 series, I couldn't find an image confirming that this model does have zinc pest. Mine doesn't. Confirmation pending.
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