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Author Topic: Refreshing plastic parts  (Read 745 times)

Offline Ryan Stecken

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Refreshing plastic parts
« on: May 02, 2017, 05:37:14 »
Hey guys!

I┤m wondering how you guys "refresh" plastic parts on your projects?
I always had the impression that they only could be bought new, no way back from old plastics...

Just had a interesting talk with a guy in my RD forum he wrote me that the submerges plastic parts for 1 week in old oil, then wipes of with a rag and runs a heat gun over it...told me that it comes out nearly like new...
does this really work?

thanks!

Offline trek97

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Re: Refreshing plastic parts
« Reply #1 on: May 02, 2017, 07:54:35 »
I was going to do some experimenting w this myself.
On smooth glossy unpainted black plastics I had pretty good luck w Meguiares paint cleaner.
But it didnt help or hurt on textured plastics.
For textured parts, Blak, once a year.  Worked great.  But its just pretty much a thin paint sorta stuff.  You apply w sponge or rag.  But, the parts come out "looking" brand new.

Im busy at the moment prepping to take bikes to Kentucky this weekend.  But I will try to put together some pics and whatnot later today.

Ive read a lot about guys using wintergreen oil for soaking and re-newing rubber parts.  I got a big bottle of the stuff, Ive yet to open.  Im gonna try soaking some 30yr old, sun faded black plastic bmw parts in it.  Ill post results as I check on it every couple days.


Online irk miller

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Re: Refreshing plastic parts
« Reply #2 on: May 02, 2017, 08:10:00 »
I restored the plastic on my DR350 by wet sanding with soapy water and 1000 grit paper.  Then I polish with Meguiar's Ultimate Black plastic restorer.  The plastics were very oxidized and dull.  I also did it to the plastic on my BMW tail lights and gauges.  They look brand new.   I use the same stuff on my Jeep, but after 6 months it needs a new application.  Seems like after each application, it lasts a little longer, though.  I've used heat on things as well, and it works as long as you can get even spread. 


Offline hillsy

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Re: Refreshing plastic parts
« Reply #3 on: May 03, 2017, 01:07:25 »
Judicious use of a heat gun on dark grey / black plastics can work well.


I did pretty much every grey / black panel on this thing with a heat gun a squirt of Plexus plastic polish. They were heavily sun faded before I started:












Offline Ryan Stecken

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Re: Refreshing plastic parts
« Reply #4 on: May 03, 2017, 06:21:21 »
Judicious use of a heat gun on dark grey / black plastics can work well.


I did pretty much every grey / black panel on this thing with a heat gun a squirt of Plexus plastic polish. They were heavily sun faded before I started:






WOW!that come out like new!I have to try this....

Offline SONIC.

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Re: Refreshing plastic parts
« Reply #5 on: May 03, 2017, 09:24:12 »
I used a heat gun on the plastics on my first KLR, didn't make it new again but it made a huge difference.

Offline willybo

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Re: Refreshing plastic parts
« Reply #6 on: May 10, 2017, 07:38:45 »
Tried the heat gun method and it worked ok. I also applied protecant to add shine.

Offline Ryan Stecken

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Re: Refreshing plastic parts
« Reply #7 on: May 10, 2017, 08:26:14 »
Thanks for reminding me :-) I have 2 plastic parts sitting in oil for now 1 week and gonna try this...

Offline der_nanno

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Re: Refreshing plastic parts
« Reply #8 on: May 11, 2017, 02:56:11 »
With black plastic parts, try "Sto▀stangenspray" - it's meant exactly for this. (Shining up black/unpainted trim pieces on cars.)
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Offline JukeJoint

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Re: Refreshing plastic parts
« Reply #9 on: Sep 13, 2017, 00:18:02 »
Any updates on either oils?

For old yellowed white plastics, cables and such, you can use oxyclean type products and hydrogen peroxide left in UV light. Works great. This is only for WHite!