Rejuvenating black trim

Nov 11, 2009
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50,935
For years now I have used Comma Black Trim Wax which is a black waxy fluid. It can be fiddly to achieve an even coating. After seeing good reviews of Autoglym trim and bumper gel I took out a loan. Very easy to apply and supposedly lasts well too.


Been on for a week now and washed the car this afternoon. . It seems to be “fixed”. Time will tell.

Ps car is 7 years old.

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Last edited:
Jun 26, 2022
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Careful use of a heat gun returns sun bleached plastics to as good as new , just to emphasis Careful. Steady now.
 
Jun 26, 2022
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Preparation is going to be everything in this scenario lest you find yourself having to explain to your insurance provider why it seemed like a good idea. :D
 
  • Haha
Reactions: otherclive
Feb 23, 2018
908
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I've used Gtechniq C4... It's great, makes the plastic look like new, without being greasy to the touch. Only works on textured plastic, did not touch my car's smooth plastic grille which has some kind of TFR burn, and unlike it's name, is not permanent. Turtle Wax Graphene Acrylic Trim Restorer is much cheaper and does a good job on old textured trim.
 
Nov 11, 2009
23,326
7,935
50,935
I've used Gtechniq C4... It's great, makes the plastic look like new, without being greasy to the touch. Only works on textured plastic, did not touch my car's smooth plastic grille which has some kind of TFR burn, and unlike it's name, is not permanent. Turtle Wax Graphene Acrylic Trim Restorer is much cheaper and does a good job on old textured trim.
It does get good reports but it is very expensive, and would not have worked on the screen valance which is smooth.
 
Feb 23, 2018
908
82
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I use Polytrol on the plastic bumpers and trim on my car.
It works

Thank you. I'll pick some up and give it a go as I've tried every other treatment, polish or abrasive! This plastic is impermeable, but has been burnt by something so Polytrol may work here.
 
Nov 11, 2009
23,326
7,935
50,935
The Autoglym Trim and Bumper gel went 28 August. By the 13 September it was hardly noticeable that anything had been applied. So I sent Autoglym the photos showing immediately after application, and three weeks later. They responded quickly and told me that the trim was quite oxidised and their product isn’t intended to be a permanent solution. Also I was told that they hadn’t had any complaints about it. “Well you’ve got one now” was my reply. So today it was back to Comma Black Trim Wax.
I’m considering sending the Autoglym back via Amazon returns.



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