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(Post Link) post #1 of 30 Old 18-05-08 Thread Starter
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Faded plastic trim

All the plastic trim on the bumpers and black bit between the side windows on my 156 is looking a bit tired and faded, can anyone tell me what the best way to improve it and get it "back to black" ?
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Re: Faded plastic trim

suprisingly enough there's a product called "back to black" that does a great job!

Another, cheaper alternative if you do your own servicing that i learnt off a lad here that owns a toyota corolla ae86, you can use a bit of used engine oil on a rag and rub down the black trim on the bumpers it comes up really sweet
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Re: Faded plastic trim

Smooth penut butter works! seriously.

Black shoe polish,
Or you can get a product called "black wow" that works really well, it can look a little false to start with (really black and shiney) but after a few days it settles a little and lasts a very long time.

Meguiars rubber and vinyl protectant spray works well too but you have to re-do it every few weeks.
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Re: Faded plastic trim

Is the common factor with all these things oil?

Years ago I remember a guy I worked with using a WD40 type oil we used to use, I think it was a Rocol equivalent.

If oils the common factor maybe you could use muffins, they're full of the stuff!
 
(Post Link) post #5 of 30 Old 18-05-08 Thread Starter
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Re: Faded plastic trim

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If oils the common factor maybe you could use muffins, they're full of the stuff!
Will blueberry do or does it have to be chocolate chip?
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Re: Faded plastic trim

Be aware that "the black bit between the side windows" is actually a stick on strip (it has a self adhesive backing) so be careful in using anything too harsh to compound/polish/wax it.

Try Meguiars Trim Detailer or NXT Tech Protect to restore the sheen. It is also good to remove any white residue from polishing the doors
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Re: Faded plastic trim

If its stick on trim, maybe I could get replacement stick on bits from Alfa?
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Re: Faded plastic trim

AutoGlym Bumper Care works very well for faded black plastic trim.
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Re: Faded plastic trim

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If its stick on trim, maybe I could get replacement stick on bits from Alfa?
I replaced mine - trim isn't cheap but it vastly improved the outside of the car! I had a white scuttle panel, faded proper bad - Sprayed it black which was fine, then the plastic disintegrated. The trims were about 40 a go, massive difference though!
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Re: Faded plastic trim

You can buy Carbon Fibre replacements (some real and some mock) off ebay and the like.

Not to my taste TBH but some like them.
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Re: Faded plastic trim

Kiwi, Cherry Blossom,black boot polish, allowed to dry,soft brush buffed, then a light coating of silcone based clear polish, for that immaculate black, first parade finish.
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Re: Faded plastic trim

I use one of those black car polishes - does the job
 
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Re: Faded plastic trim

PG's on the right track, a dye is included in the colour polishes.: Boot polish is cheaper, and contains that black dye, and I'm stingy, so anything to save a shilling or two. Until it comes to engine oil and filter changes, and new transmission lubricants, then I go overboard with my 'lavishness' no expense spared in that quarter!
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(Post Link) post #14 of 30 Old 19-05-08 Thread Starter
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Re: Faded plastic trim

boot polish eh...who'd have thought. I'll give that one a go then
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Re: Faded plastic trim

If you find it has dried, sort of 'smudgey' quick wipe with a soft cloth impregnated with paraffin, or white spirit, evens it out nicely, then buff, before that wet silicone look, is applied:
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Re: Faded plastic trim

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AutoGlym Bumper Care works very well for faded black plastic trim.
100% agree, also doesn't contain any nasty silicon like lots of the spray on jobs.. (So if you were to accidently rub it on any of the paintwork, then later get that panel sprayed...the paint won't fish eye)
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Re: Faded plastic trim

i used to restore classic bikes an one way i brought faded black plastics back to new was a quick run over them with a heat gun, colour lasts as long as new parts (and is handy if you cant get the replacement parts anymore!)
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Re: Faded plastic trim

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i used to restore classic bikes an one way i brought faded black plastics back to new was a quick run over them with a heat gun, colour lasts as long as new parts (and is handy if you cant get the replacement parts anymore!)

will a hairdryer do?
 
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Re: Faded plastic trim

dunno never tried it, suppose it depends on how hot it is, used the heat gun to the point where it was too hot to touch but not enough to start melting the plastic, probably would work if you held it really close to the plastic for a wee while.

Ive been meaning to do the trim along the bottom of my windscreen for a while, ill give it a go with a hairdryer first and report back, ill try an take a few photos too.
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Re: Faded plastic trim

thats the bit that needs doint the most on mine


maybe we could compare hairdryers (although I'd have to wait till Mrs Snotgobbler went out, I doubt she would appreciate the innovative change of use, )
 
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Re: Faded plastic trim

A heat gun will partially melt the plastic and bring some of the oils to the surface so while the process may be effective, you can probably only do it once or twice before the plastic becomes "brittle".

Anyhow, once you have the plastic shiny, the thing is to keep dressing it with something oily from time to time.. shoe polish is a good one.. and "back to black" is also a pigmented dressing (it's black).

I also tried tyre wall sprays as they're a bit greasier than normal bumper black type products.


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Re: Faded plastic trim

V6alfistis' reference to silicones causing 'fish eyes', takes me back to sixties cellulose re-finishing, when a few drops of 'Flowrite' was added to the pot, as a final precaution after preparation and degreasing of the surface to be painted. Remember that wee bottle with it's dropper chaps?:
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Re: Faded plastic trim

I have been restoring plastic trim on cars in oz for lots of years using a product called k+n bumper and trim paint you will need to use lots of wax&grease remover if you have been using silicone based products
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(Post Link) post #24 of 30 Old 31-05-08 Thread Starter
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Re: Faded plastic trim

alfatt where can you get this stuff?
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Re: Faded plastic trim

my scuttle plate is grey too, must do something with it !
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