Peanut butter and black plastic trim.

Soldato
Joined
3 Jun 2005
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5,365
Location
West Sussex
Really has anyone heard this one?

I heard it many years ago as the best thing to restore faded plastic. I kind of put it down to an old wives tale.

The plastic scuttle on my Alfa 156 was badly faded, grey boarder lining on almost white. The last owner or somebody had obviously had ago at it with back to black or similar.

I thought the only real hope for it was respray or I have heard heating them with a paint gun.

Both would require removal and on an old car not to desirable as old screws etc have a habit of rusting away. Re-spray would also require every last tiny bit of silicone removed.

The other half was having a kitchen clear out and was chucking away some old smooth peanut butter. Seeing the panel was so bad I thought I would try a bit.

Totally amazing, back to as black as you could realistically expect without painting. I will probably be swamped by every wasp in sussex but this stuff really does work.

Thought I would share it with you.
 
It's just the oil in it, I bet WD40 would've done that too?

Different type of oil. bAck to black etc are just oils and silicone. No where near what this did.

Plus the peanut butter has a very slight abrasive quality to it. Almost like a smooth polish.

Try it, honestly an old school car detailer told me this in the 90's.
 
If you heat it, you have to heat it at the same rate otherwise you get stripes. As GEX says, its the oil thats in it. It won't last to long, but at least you have done it for free. Im pretty sure that WD40 will go stripey after time.

There are a few long lasting products you can get, such as Autosmart Trim Ultra/Wizard and there is a product called c-quartz which apparently lasts even longer, but I don't have any experience of this.
 
If you heat it, you have to heat it at the same rate otherwise you get stripes. As GEX says, its the oil thats in it. It won't last to long, but at least you have done it for free. Im pretty sure that WD40 will go stripey after time.

There are a few long lasting products you can get, such as Autosmart Trim Ultra/Wizard and there is a product called c-quartz which apparently lasts even longer, but I don't have any experience of this.

Yeah I cant comment on how long it will last as I only did it today. The purpose made products only last a few hours and I didn't get anywhere near the colour I got from this.

Even if it doesn't last long it blows the socks off the products I have tried so far.
 
i was just wondering this for the black parts on my car, apart from peanut butter and wd40, what is the real good stuff for back to black?

cheers
 
i was just wondering this for the black parts on my car, apart from peanut butter and wd40, what is the real good stuff for back to black?

cheers

If you heat it, you have to heat it at the same rate otherwise you get stripes. As GEX says, its the oil thats in it. It won't last to long, but at least you have done it for free. Im pretty sure that WD40 will go stripey after time.

There are a few long lasting products you can get, such as Autosmart Trim Ultra/Wizard and there is a product called c-quartz which apparently lasts even longer, but I don't have any experience of this.
 

thanks, i shoulda read. may try a product out, probably not peanut butter though. that's for my sarnies! eh eh
 
Handy this has come up.

Missus' Ka has polish marks all over the black bumpers, I've been trying for weeks to get them off.

Tried everything. Back to black/walnut oil/bumper restore/AG bumper care/petrol, the lot. Nothing has come close to shifting it. I tried petrol as a last resort last weekend and thought it had but today I noticed the marks were still there.

Will try peanut butter!
 
Used peanut butter on the licence plate surround on prius that had gone grey its still black after about 6 months and has been washed several times pretty amazing
 
Boiled linseed oil works for this too.

Using these oil methods will not bring the plastic back properly and after being treated the results will only last a few months before it will look noticeably faded again.

The best thing to do imo is actually remove the plastic and paint it either satin black or with a plastic paint.
 
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