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Hi Lee,
Wash the smoke damaged bricks in warm soapy water with a small amount of bleach.
Let the bricks soak for a few hours. Rinse and let the bricks air dry on a
towel. The bleach smell will fade after a few days and your bricks will no
longer smell of smoke.
Another tip for smoke damaged instruction booklets is to place dryer sheets in
between the pages. This will greatly decrease that smoke smell after a few
days.
Ben
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bleach
(score: 0.509)
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In lugnet.general, Todd Thuma wrote:
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Do you have yellowed brick and wish to restore it to its original color?
I recently stumbled upon a Maker Magazine article called “Un-Yellow Old
Plastics - Retr0brite!”
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...
Yes. I tried this last week and the results were very good. Take a look at this
post.
The picture shows the results before and after a exposure of only 2 hours in the
sun. We are having a heat wave here in Brazil and I was afraid of letting the
bricks too much time in the sun and in the end get some melted bricks.
My main problem is to find the liquid Hydrogen Peroxide 10%. I can only find it
in a creamy base that is used to bleach hair. This makes it difficult to apply
to bricks.
I looked at the surface of the treated bricks and couldn’t see anything
different from a new brick. So, it seems that this process is safe.
But, will have to do some more tests as well.
Leg Godt,
Ildefonso.
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bleach
(score: 0.477)
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HI,
I bought a Futuron space set that has some of the white pieces yellowed. I
checked the FAQ and will try soaking them in a bleach solution to restore the
colour. I'm concerned about the printed pieces though. Does anyone have
experience on this. Will the bleach fade the printing?
Thanks for your help. :)
Andrew
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bleach
(score: 0.334)
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In lugnet.general, Jindrich Kubec wrote:
> Has anybody tried to bleach yellowed parts?
Bleach is great for dirt, but yellowing of ABS is caused by a chemical breakdown
of the plastic molecules, not surface dirt. ABS is not UV-stable, and natural
ABS (which has a milky beige color) will turn brown and brittle/powdery over
time. Some coloring agents will lend a touch of UV-stability to the ABS (black
ABS, which is colored with carbon, is 100% UV-stable), but white doesn't appear
to be one of them. The only way to clean the yellow color off is to scrape away
the surface until you get back down to white plastic, and that's not advisable
if you care about the condition of your bricks.
Now, I know cigarette smoke will cause ABS to yellow, but I don't have any
experience with that. It's possible that you can bleach smoke-yellowing out,
but I'd suggest trying it out on one small brick that you don't particularly
value before subjecting large portions of your collection to the process.
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bleach
(score: 0.302)
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Geoff Snell wrote:
> What the best way to clean old Lego? I have some vintage Lego that is quite
> grubby from years of play and wish to restore it as best I can.
I do it as Dan suggested. (in previous mail)
But, to add something to your question:
Has anybody tried to bleach yellowed parts?
--
Jindroush <jindroush@nospam.seznam.nospam.cz>
Remove both 'nospam's from the address to reply.
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bleach
(score: 0.301)
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