UK Karting - Notice Board (Combined Forum) : Re: Helmet painting or chroming?

Notice Board (Combined Forum)

Re: Helmet painting or chroming?
Posted by 'Invader' on 05 Dec 2008 @ 22:22

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InvaderJoined: July 2003
Total Posts: 2
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You can get the shell chromed properly but to do it they have to grow a very thin layer of copper onto the shell but this is no good as it changes the shells rigidity.the next process is to apply silver nitrate to a prepared surface and that looks exactly like chrome but the process has many problems if you look back at the maclaren pit crew helmets at spa this year they had a gold tint to them that was one of the problems they are affected by sun also problems with adhesion.Maclaren now use the next process which is vacuum metalising a much better system the helmet is prepared and put in a vacuum vesel and aluminium is exploded into the chamber and it deposits on the surface of your helmet and again it looks exactly like chrome it is a very thin layer and needs laquer over it.The best chrome you can get from a paint gun is what is on the maclaren cars looks more like a polished stainless steel.The only problem with any of the above methods is they are prone to small surface imperfections a small dust particle stands out but on a normal painted surface they don't.If you are after a chrome helmet most helmet painters can supply that finish but be aware of the imperfections. :-)

Message Thread:

Helmet painting or chroming? by 'Booney' (04 Dec 2008 @ 22:30)

Re: Helmet painting or chroming? by 'buzzinrussell' (04 Dec 2008 @ 23:34)

Re: Helmet painting or chroming? by 'tj30' (05 Dec 2008 @ 10:33)

Re: Helmet painting or chroming? by 'dave56' (05 Dec 2008 @ 16:20)

Re: Helmet painting or chroming? by 'Invader' << You are here!

Re: Helmet painting or chroming? by 'Booney' (06 Dec 2008 @ 22:19)

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