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Removing Fuel Stains From White Plastic Parts Empty Removing Fuel Stains From White Plastic Parts

Post  DrCox Sat Jan 26, 2019 2:18 pm

As it says, besides bleach, any tried methods of removing yellowed fuel stains from white Cox plastic parts? Parts such as the white wing from the Quite Zone Trainer.

Read about RetrOBrite however part is too large for process or to bother with.
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Post  getback Sun Jan 27, 2019 7:36 am

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Post  Cribbs74 Sun Jan 27, 2019 11:24 am

Have you tried peroxide? It does wonders for bleaching animal skulls. Can’t see any harm in trying.
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Post  DrCox Mon Jan 28, 2019 3:10 pm

Thanks gents. I'll report back if stains have responded.
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Post  crankbndr Mon Jan 28, 2019 3:52 pm

I have had some luck polishing Cox plastics using a slow running 4" cotton wheel and polishing compound like Turtle Wax or Novux plastic polish.
White is probably the hardest, some of Cox white plastics yellow from age and that won't come out.
There was a member here that used a compound he made up for this aging yellowing and claimed it worked. Ill try to find that thread, its been a while ago.
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Post  DrCox Mon Jan 28, 2019 6:23 pm

crankbndr wrote:There was a member here that used a compound he made up for this aging yellowing and claimed it worked. Ill try to find that thread, its been a while ago.

That would be great. Thank you for the effort.
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Post  Frizzen Sat May 11, 2019 10:20 pm

I knocked the yellow fuel staining off my Adam 12 cars white paint with isopropyl alcohol.
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Post  DrCox Wed May 15, 2019 4:39 pm

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Post  Marleysky Wed May 15, 2019 7:57 pm

Watched a few of those You tube videos on  “RetroBright “ process for computer enclosures and keyboards. For larger items, like a cox Fuselage or wing, I’d guess I would use the Cream paste Peroxide, wrap with shrink wrap and set out in the sun.

Did a walk through our nearby Big Box shopping centers and could not find a single bottle of the stuff used in the video. Found some on amazon but was costly + shipping. One of the user reviews was negative about the size and price then mentioned to see if you have a Sally Beauty store near you. I do! Going there soon to buy some of this cheap!!  
https://www.sallybeauty.com/hair/hair-color/developer/40-volume-pure-white-creme-developer/SBS-320828.html

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Post  DrCox Wed May 15, 2019 8:22 pm

Marleysky wrote: For larger items, like a cox Fuselage or wing, I’d guess I would use the Cream paste Peroxide, wrap with shrink wrap and set out in the sun.

See if you have a Sally Beauty store near you. I do! Going there soon to buy some of this cheap!!  

https://www.sallybeauty.com/hair/hair-color/developer/40-volume-pure-white-creme-developer/SBS-320828.html

That's what I used as per this thread:

https://www.coxengineforum.com/t12926-de-yellowing-plastic

Marleysky, do not shrink wrap the part in question and then place into the sun. You'll end up with streaking on the plastic from the different layers of plastic. I went to the big box store and purchased Glad large clear storage bags. They are big enough for sporting equipment etc. Easily the wing and fuselage will fit inside. The only purpose of the bag is to prevent drying out of the creme. This process worked well for me:


Fuel Soaked Before:

Removing Fuel Stains From White Plastic Parts DPxvivs

After: Pictures don't quite capture the difference

Removing Fuel Stains From White Plastic Parts JmCUCN7

Before:

Removing Fuel Stains From White Plastic Parts TnGbeAW

After:

Removing Fuel Stains From White Plastic Parts JnSDeE5
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Post  NEW222 Wed May 15, 2019 9:14 pm

Hmmm. I wonder what model that is? Lol. Looks good. I am really amazed by the before and after pictures. You did a great job!
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Post  DrCox Wed May 15, 2019 10:26 pm

NEW222 wrote:Hmmm. I wonder what model that is? Lol. Looks good. I am really amazed by the before and after pictures. You did a great job!

It's the fuselage of the reverse color QZ Trainer. The oval remnant of the Cox sticker on the fuselage is the hint. I'll post a completed pic soon.

Thus far, Sunlight and Peroxide creme has proven to be the best solution for diminishing fuel soaked stains within plastic.

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Post  DrCox Thu May 16, 2019 4:21 pm

DrCox wrote:
It's the fuselage of the reverse color QZ Trainer. The oval remnant of the Cox sticker on the fuselage is the hint. I'll post a completed pic soon.

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Removing Fuel Stains From White Plastic Parts MJOMEfi
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