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best way to paint chromed parts

  • Thread starter Thread starter lorello
  • Start date Start date
L

lorello

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My hadle bars and exhaust are chromed and have some dots of rust on them. I wanted to know what the best way to paint them black would be
 
Be sure to use the paint designed for exhaust pipes. Do everything you can to follow the curing process listed on the paint. Then, be careful about spilling any kind of brake fluid or other caustic chemical on them - spoken from experience.
 
Or this way to get to bare metal and do any filler work that may be required due to rust pitting ( yes there can be rust under the chrome thats not readily vissible ).




The proceedure is very much the same as removing rust but with different
chemical. First, degrease completely and scrub thoroughly with detergent.
Mix 1 cup of Muriatic acid with 3 gallons of water in a plastic bucket.
NOTE; ALWAYS ADD ACID TO WATER. NEVER WATER TO ACID !!! (It WILL explode)
Hang two or three copper wires (#12 or larger) around sides of bucket.
Connect these to ground of battery charger. Hang item to be dechromed in
fluid with positive lead connected. Be sure part doesn"t touch ground wires.
Within a few seconds or minutes, depending on thickness of chrome, it should
come clean. More or less time as required. When finnished, wash parts in
mild soda water solution to nutralize acid. (Do this right way to prevent
rust) As with any caustic acid, handle with care.
 
Thanks ill probly try sanding them this weekend depenfing on how long this airbox takes me to get on... yea that sounds pretty strightchuck pretty much the opesite of off you chrome them probly have to try that at another date
 
The chrome will literally melt off and sit on the bottom of the bin. The thing that sucks is disposal of the chromium..which is a toxic hazmat in liquid form.

I usually just take it down to the river at midnight and dump it in..then in about 3 weeks i start catching 3 eyed catfish..JK.
 
Sand blasting is the ticket. You end up with a nice smooth finish to spray the paint onto. Every tiny bit of shine has to be completely gone. Chrome is incredibly hard and sanding takes forEVER..and chances are it still won't adhere. Sand blasting is fast, cheap, no chemicals to deal with, and the paint sticks.
 
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sanding works perfectly fine for me as long as you use a metal primer, speaking from my experiences..
 
Have you tried cleaning the pitting off with 0000 steel wool and chrome polish, and just leaving them chrome?
 
Yes...sometimes the damage isnt that bad and sometimes it is. It kinda a case by case thing reallly. One can look at the part and reasonably guage the severity of the rust effects.
 
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