I was looking for some decent switch knobs and even the NOS ones I have have a yellow tint to them. After 40 years they all start to turn, even my new ones. These are moulded in a solid color so I thought 'why not?' its just like buffing paint right?The black colored ones on C cabs get dull too and this works for them also.
On the NOS ones, I rubbed them out with a medium synthetic compound by hand.
On the dirty used ones I used enamel reducer and a lint free rag rubbing quickly and set them aside to 'dry'. I followed with a quick rub with compound.
I used a rag pretty 'wet' and kept moving. if the chemical dwells to long, you may 'melt' too deep into the plastic, so do this quickly. If it does not work the first time, let them dry and do it again. Use only clean, lint free cloth. and follow with rubbing compound.
They cleaned up very well, I am sure you enjoy the results too!
On the NOS ones, I rubbed them out with a medium synthetic compound by hand.
On the dirty used ones I used enamel reducer and a lint free rag rubbing quickly and set them aside to 'dry'. I followed with a quick rub with compound.
I used a rag pretty 'wet' and kept moving. if the chemical dwells to long, you may 'melt' too deep into the plastic, so do this quickly. If it does not work the first time, let them dry and do it again. Use only clean, lint free cloth. and follow with rubbing compound.
They cleaned up very well, I am sure you enjoy the results too!
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