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Author Topic: "De-Chroming" plastic parts  (Read 3525 times)

essex2visuvesi

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"De-Chroming" plastic parts
« on: January 21, 2013, 10:00:40 am »

I have a RTR boat that has some chromed plastic details, which in my opinion make it look a bit naff.  whats the best way to remove the chrome plating so I can repaint in a more suitable colour?


Would also be useful for a model motorbike I'm currently building as well
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goBulawayo

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Re: "De-Chroming" plastic parts
« Reply #1 on: January 21, 2013, 11:26:34 am »

I am building a revell harley davidson and their chrome is way too overpowering - I removed the chrome with fairy power spray, put the sprue or parts into a plastic bag, make sure they are covered in power spray, seal bag and leave over night, wash off under water and light scrub with an old toothbrush and its all come off - I would suggest testing a small part on the RTR model as the chrome finish or underlying plastic may be different to Revell's

Cheers

Wayne
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Circlip

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Re: "De-Chroming" plastic parts
« Reply #2 on: January 21, 2013, 12:00:47 pm »

Probably changed to a more exotic type, but the plastic of choice for "Chroming" used to be ABS so watch out if using a solvent (Acetone, MEK etc. for cleaning)

  Regards  Ian.
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Bryan Young

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Re: "De-Chroming" plastic parts
« Reply #3 on: January 21, 2013, 01:20:39 pm »

I once tried polishing a "chrome" rear lamp on my car.....and the Solvol Autosol I was using removed the chrome in a few seconds! BY.
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essex2visuvesi

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Re: "De-Chroming" plastic parts
« Reply #4 on: January 21, 2013, 02:20:09 pm »

I am building a revell harley davidson and their chrome is way too overpowering - I removed the chrome with fairy power spray, put the sprue or parts into a plastic bag, make sure they are covered in power spray, seal bag and leave over night, wash off under water and light scrub with an old toothbrush and its all come off - I would suggest testing a small part on the RTR model as the chrome finish or underlying plastic may be different to Revell's

Cheers

Wayne


Ok Ill give it a go with the powerspray, the kit is a tamyia model of the ducati 916.... having actually owned I real one I can say hand on heart there are no chomed parts on it anywhere.
The boat is a carrera Arno RTR hydro


I once tried polishing a "chrome" rear lamp on my car.....and the Solvol Autosol I was using removed the chrome in a few seconds! BY.


I'll try this one as well as I have some of that in the shed


Will report back on my findings
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essex2visuvesi

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Re: "De-Chroming" plastic parts
« Reply #5 on: January 26, 2013, 12:50:10 pm »

My findings:-


Autosol... works well but not suitable for dechroming small components


Fairy Powerspray... couldn't find any in the shops


Oven cleaner (Mr Muscle Foam spray)... this worked the best.  I used the spray in a plastic bag method and had most of the chrome off in a few hours.  I rinsed thoroughly and then gave it another spray and now its all gone.


one word of warning, the first bag I tried (sandwich type bag) disolved, so use the thicker zipseal types.


I will be painting some of the dechromed components tonight so I will report back if there are any issues with finish
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