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Virginia Rocks!
Join Date: Oct 2003
Location: Just outside the beltway
Posts: 8,497
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Anodized/Powdercoating
Can someone define and tell me the difference between anodization, powdercoating and "paint"? What parts of my 911 are which?
Thanks gurus.. 
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Rosewood 1983 911 SC Targa | Black 1990 944 S2 | White 1980 BMW R65 | Past: Crystal 1986 944 na Guards Red is for the Unoriginal
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12-14-2003, 01:40 PM
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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
Posts: 55,964
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Powder coating involves spraying a fine plastic powder at a metal part that has been electrostatically charged (so it attracts the powder like static cling in clothes). Once the part is covered with the powder the part is baked, during baking the powder melts and forms a shiny, durable coating.
Anodizing is when a layer of oxidation is grown on the outside of aluminum alloy parts. The aluminum oxide is harder than the alloy underneath. Because the oxide is porous it can be dyed different colors. I don't think anything on our cars is powder coated unless a previous owner has done it. Stock Fuchs are Anodized (the black and the clear, I believe). Most everything else is either cadmium plated (goldish finish on nuts and bolts) or painted.
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Steve '08 Boxster RS60 Spyder #0099/1960 - never named a car before, but this is Charlotte. '88 targa  SOLD 2004 - gone but not forgotten
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12-14-2003, 01:57 PM
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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
Posts: 55,964
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Here's a really cool site on Anodizing. The guy does anodizing at home and tells you how he does it.
http://www.focuser.com/atm/anodize/anodize99.html
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Steve '08 Boxster RS60 Spyder #0099/1960 - never named a car before, but this is Charlotte. '88 targa SOLD 2004 - gone but not forgotten
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12-14-2003, 02:05 PM
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Registered
Join Date: Feb 2003
Location: Orange County, California
Posts: 1,257
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Steve, thanks for the great anodizing link...Very cool!
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12-14-2003, 02:57 PM
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Virginia Rocks!
Join Date: Oct 2003
Location: Just outside the beltway
Posts: 8,497
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Quote:
 Is powedercoatining sort of like that process they use to paint a fridge or oven?
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Rosewood 1983 911 SC Targa | Black 1990 944 S2 | White 1980 BMW R65 | Past: Crystal 1986 944 na Guards Red is for the Unoriginal
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12-14-2003, 04:12 PM
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