How To Remove Yellowing From Plastic | 3% H2O2 | Retrobrite ULTIMATE GUIDE
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- Опубліковано 22 чер 2024
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Do you want to restore your yellow plastics back to their original glory? If so, keep watching!
In this video we'll be restoring yellowed plastics back to their original color.
Restoring yellowed plastics is sometimes known as Retro brighting, as it's usually retro items which have become discolored, and we want to brighten them up again.
Retrobriting is a hot topic of debate, but the truth is, very few people have done proper testing on this subject matter, especially observing the results over long periods of time.
I did a lot of experimenting in this video and learned a lot along the way. I have shared some of this experimenting as well as my mistakes so that we can learn from this together.
In this video we'll be discussing:
- Why this happens
- What types of plastics will this work on?
- How to actually restore the plastics (The process)
- Something I learned and tried along the way.
- How long will this process last?
All with a primary aim of: making the process easy and also keeping things cheap and accessible.
- Hydrogen peroxide counteracts the oxidization, because it itself is an oxidizer (an oxidizing agent!). Hydrogen peroxide is one of the best oxidizing agents known to man!
- The UV light converts the hydrogen peroxide into highly reactive hydroxyl radicals, which then decompose the problematic substances.
[UV Light Wavelengths]
UVC - 200-280nm (Shortest wavelength. Classed as dangerous rays. These don't penetrate the earths ozone layer.)
UVB - 280-315nm (Mid wavelength. Causes sunburn and skin cancer etc. Classed as burning rays.)
UVA (Longest wavelength - Reaches deep inside tissue and skin, causing aging. Classed as tanning rays)
315-350nm - Uses to cure polymers. Used in printers and some tanning equipment
350-270nm - Blacklight. For bug attraction, sun tanning. etc.
370-400nm - Blacklight blue (BLB). Glow in the dark lighting. Bank note forgery checkers.
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Instagram: / tutorialgenius
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Chapters:
0:00 Intro
1:36 Why Does This Happen?
3:59 H2O2
6:21 H2O2 Strengths
7:57 UV Light & UV Wavelengths
12:48 Experiment 1
19:47 Experiment 2
21:31 Exerpiemnt 3
23:30 Summary and Findings
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How To Remove Yellowing From Plastic | 3% H2O2 | Retrobrite ULTIMATE GUIDE
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Video Title: How To Remove Yellowing From Plastic | 3% H2O2 | Retrobrite ULTIMATE GUIDE
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Video Tags:
how to, remove, removal, yellowing, plastic, retrobrite, ultimate guide, retrobright, retrobrighting, remove yellowing from plastic, yellowed plastic, yellowed plastic restoration, yellowed plastic hydrogen peroxide, yellowed plastic retrobright, how to whiten yellowed plastic on appliances, how to clean clear yellowed plastic, retrobrite hydrogen peroxide, retrobrite nes, retrobrite colored plastic, retro brite clear plastic, tutorialgenius, oxidization, oxidisation - Навчання та стиль
Like and subscribe for more! All parts, tools and more information in the video description.
If this video helped you, please support the channel by clicking "Thanks"!
Thanks for watching!
Basically, you go to a beauty supply shop and ask for hydrogen peroxide cream. It's like, 40% H202, not 3% like the regular stuff in a bottle. Anyway, take the plastic apart and paint it with a thick (but even!) coat of the cream, then cover with plastic wrap to keep it from drying out. Place in a sunny area for up to 24 hours. Wash and check, repeating if necessary.
It's open if you have a bit more $$$... But it's more harsh and can leaves streaks
Accept cream is a pain in the butt cuz it doesn't un yellow it evenly so you have to do the whole process a few times.
He's referring to vol 40 and the max you can get is 12% not 40.
12% is aprox. 40 vol.
10vol. Aprox. 3%
U multip. % By 3 = vol.
I used to refurb copy machines...bottle of V-40 less than $10...could do the machine panels with just a few ounces...set out in the bright Mississippi Sun. Probably only took an hour or two to get the desired results with no streaking whatsoever!!!
Ok, this is the video needed. Answers all the questions about how to actually make this work.
Great to hear!
Great review with lots of detail, thanks for putting in the time to do this.
My pleasure! :) Thanks for the kind comments!
You answered several questions in my mind, thanks!
My pleasure!
Great information right to the point.Direct simple to understand thank you for your good work and lesson
Glad you enjoyed!
Superb. Outdoor UV Lux many orders of magnitude over indoor devices. Car headlamps polish out the amber as its on the surface use car paint cutting paste (tooth paste as a second choice), plus point you have super glossy finish when done.
Have you tried Brasso on car head lamps? (It's a metal polish) It works really well, a lot better then toothpaste. It can be applied every 6 months, it makes them look great!
I have a video on it here: ua-cam.com/video/Znm17shIbaU/v-deo.html
I didn't get tooth paste to work so well, although it did a little.
Awesome vid brother!!
Thanks for the visit! :)
Remember some of the equipment you may buy may not be yellow as a result of oxidisation. In the 70's, 80's 90's, many households were smokers of cigarettes among other things and youd be very surprised how yellow or stained things would get from the nicotine in the air. I had a white kitchen, white tiled floors, walls, white cupboard doors etc and 2 people were smokers, myself included. The nicotine deposits were rather bad. Not only would it coat surfaces but everything else in the house.
Yup, something to consider if you're unaware of the origin of the item
Thanks for sharing your experiments and expertise. Do you know if this process will make the plastic more brittle than before? Thanks.
In my experience with 3%, no it hasn't made anything more brittle then before. I tested this with some yellowed see-though plastic from cardboard kids toys (Like the Good Guys doll from the 80s). I can't say it made it any more brittle than before, but I used that as an example because this plastic is very thin and more fragile than a Dreamcast or a NES case for example.
An oxidized piece of plastic, is in itself, more brittle (As heat for example) weakens the plastic. So it's already somewhat brittle before we begin. Perhaps people are blaming the process for an already fragile item.
But, I have not tested the effects with a high strength H2O2 solution, perhaps that could yield different results as it would give off more heat (amongst other things), especially when in an enclosed area (Indoors with UV lamps.). Most videos I've seen use a 12% solution, so that could be responsible for this talk on brittleness.
Thank you@@TutorialGenius
peroxide does weaken plastics, just realized after I stepped on a plastic I've stepped on before only difference 3% was used recently and crumbled the plastic which before didn't budge. this does explain cracked plastics of the past 🤔 🙉
Trop bien ca a même changer le logo Dreamcast du bleu a orange ca marche trop bien bravo cest Dylan qui ta donné l'astuce nikel ci cest certifié Dylan j'achète.
hahaha!
Nice to see the good old Sun is still the way to go. Have you tried fixing the overbrighted NES? I have an old Amiga mouse I managed to overbright and its now sporting some white smudges. Is there really any way to get rid of them?
Yes I tried, after a couple of goes, it cleared up a bit :)
I think its of trial and error. It helps when the sun it directly above to prevent shadows and whatnot! I had some trouble doing this in the winter haha!
@@TutorialGenius I can imagine, I just managed to buy 3L of 5% peroxide and waiting for sunny days to come in a few months :) I know it needs to be moved around every hour or so, I just wondered if a botched job can still be saved somehow, to get rid of the white smudges. But I guess the only way would be to make it all white which would look bad. Probably no way to get them darken back a bit.
I bought a vintage 1970s/80s pair of Porche design model 5600 ski goggles that are yellowing. I'd like to restore them but want to protect the non-plastic parts if necessary. Will hydrogen peroxide harm ski goggle lens, especially the uv coating & the foam that rests against the skin while using them and the rubberized Velcro straps if the entire goggles are submerged in it? Do you use straight peroxide or dilute it with water? I may have missed that in the video.
It has potential to harm the lens, yes. It's probably a good idea to remove it, or do a spot test (Just like when dying hair)
As for the comment: "Do you use straight peroxide or dilute it with water?" - You should watch the video all of the way through, I already covered this part :)
Thanks for this video, especially the lesson on the different type of UV lights. Super useful. Here is a “silly” question: I saw that Philips (and other brands) are selling “Sanitizer Boxes” (hermetically sealed stainless steel boxes (super reflective) that are basically designed to disinfect everyday objects with two built-in UV-C lamps (lamp wavelength: 253.7 nm). I was wondering whether such a box could - on the basis of repeated sessions - enable a retrobright effect ? I've read here and there that for a good retrobright effect you need to combine heat + UV, and this box does both, so I was wondering.
And also, I've some old walkmans to restore but not all of them are in plastic : do you think it can work on metal shell or lacquered/metallic paints ?
Thanks !
I'm sure the box would work, given what I already covered in the video with regards to catalysts.
For metal, I have no idea. I would guess not. I don't see why you wouldn't use some acetone or something on the metal though. That'll remove anything. There's no harm in trying if you already have the kit for other plastic objects.
@@TutorialGenius It's because I have a metal model on which a sticker "it's a sony" stayed for a long time, and when you remove it you see a difference in color (the sticker acted as a stencil), so I'd like to make this “mark” disappear (I guess that the color below the sticker is the original one). Thank you for your thoughts on the box. I might give it a try then
@@thewalkmangallery7128 Let us know how it goes! 😊
To avoid hot spots, use a small aquriun bubbler to act as a stirring device for fluid volume. Carter Canada
That's super interesting! Hadn't considered that! Thank you
Use hair dresser peroxide instead. It’s a paste and doesn’t need to be submerged, just wrapped in cling film and left in the sun.
That paste kinda leaves smearing marks, its not too great to be honest. It's also more expensive
nice!
Thanks for the visit :)
H202 can be purchased from Ebay up to 11.95% without any licence.
I assume other online shops sell it, too.
Tbanks for uploading.
I think you can buy 20% on amazon too. I prefer 3% because its easy on the plastics
I have an action figure with sun damage. If I follow this procedure, will it bleech the non-white colors on the figure?
Give it a try, let us know how it goes
Never heard the yellowing was from oxidation...I'd always heard it was from Bromine as an additive to the plastic to make it fire retardant--but then again the oxidation could force it to appear on the surface. I refurbed many a copy machine with yellowed plastic using Volume 40+ Cream Bleach--put item panels out in the sun to "cook". Absolutely never experienced "streaking" as I used a chip brush to apply a liberal amount of the cream bleach.
I'm not sure that method works great for big industrial parts like copy machines
How about the orangey stain in a white plastic bowl? Any advice please.
I bet it would work no problem
In 2015 I purchased a gallon of 35% hydrogen Peroxide on Amazon. The greatest concentration I can find now is 12%.
I noticed a similar thing too! I wonder if the regulations have been tightened recently. I have no idea
Did the logo on the Dreamcast top get discolored?
No it didn't! :)
You do not need UV-light. You need just energy to do the process. I retrobrightened a lot of commodore Amiga stuff using 11.9% H2O2 in a conceiled plastic container I simply put into my oven (65 to 70 °C for 3 h). Worked perfectly. Only downside: most oven at home are not big enough if you want to retrobright a computer case this way. So I have done mostly Amiga tank mice and keycaps this way.
Be carefull: Prints on plastic (like the labeling of keycaps) are often done with "pad printing", covered by a transperent layer. This is destroied if exposed to H2O2 for to long. The print literally swims away, so with keycaps you might gett "letter soup". But the keycaps themself are perfectly clean afterwards...
You can use dyesub transfer to reprint keycap labels afterwards by the way.
Peroxide cream is an alternative if you want to retrobright thinks nor fitting into your oven. But every UV-brightening has the downside of getting the object evenly exposed. So you might better build your own 70°C oven using bricks and old heatbeds (for 3d-printers)
A UV source is a catalyst, like I covered in the video in a lot of detail
Heat was already mentioned in his video
@@TutorialGenius Still, UV is not essential. It just allows to do the reaction at lower temperature.
@65-70°C you can do totally without UV light. ABS has no problem with 70°C.
Heat always come from all sides, unlike UV. So definitly the simle way to get nice results, if your object fits into a box which fits in your oven.
@@oleurgast730 Sounds like you should make your own video on it. My video is to show it can be done with 3% and the sun. Nothing more. Nothing less. Sounds like your have other plans and ideas, good stuff!
@@oleurgast730 It's a catalyst, just like a explained in the video. Again, not the point of this video.
Can i use this on louis vuitton pvc canvas used for their bags?
What makes you think I know anything about louis vuitton bags based on a Dreamcast video!? 😆
Try it, be a pioneer, it's fun
@@TutorialGenius😂
I want to remove the yellowing from my plastic transparent sheet, the cream form of hydrogen peroxide makes the most sense, but how do I protect areas that I don't want the cream to touch, such as some writing on marker?
I'm sure you can get creative with some tape/cling film or what not :)
@@TutorialGenius I have a 3M yellow masking tape, will that work? And does the color of the tape matters?
When im restoring plastics i usually use household bleach and a bit of washing up liquid. When im restoring say 40+ year old motorbike plastics that basically go white with light exposure, aswel as scratching, i use various grades of sand paper and finish with a buffer. My question is will hydrogen peroxide turn the plastic brittle?
Somebody has said the high grade stuff can, I don't see any proof. I haven't had any issues with over the counter 3%, it's so weak
@@TutorialGenius thanks I'll have to try it. I restore old motorbike and bicycle parts, usually old zink plated stuff. I use hydrochloric acid 10%. Its basically brick acid. It rips off the rust and old zink plate in seconds. I then re-zink plate them. I've done parts that have a rubber seal or insert and even that stuff doesn't really affect it. What it does have a problem with is aluminium parts, they turn black and even after rinsing are warm to the touch. They create a kind of black soot. It's easily removed though and doesn't seem to damage them either.
Can you treat plastic by wiping the plastic with a Hydrogen Peroxide soaked rag instead of soaking it in a tub?
How will the catalyst (sun) access to component if it's covered in a rag?
Maybe use a clear glass baking dish
If you have one big enough and it's oven proof, I don't see why not. Definitely will be way more expensive
Does it restore the flexibility of old plastic ?
Probably not
SEGA DREAMCAST FOR LIFE.
The amount of hours I put into that console that i'll never get back, but it was worth it!💯💯💯
Have you tried the no contact vapor method?
I haven't, but if you have the $$$ for the food grade H2O2 and large clear container, I'd probably go for it! Looks like a good method to use also!
@@TutorialGenius it's only like 14$ for some food grade 12% on Amazon so I'll def try it
Godspeed!@@casualtrips9571
@@TutorialGenius❤
I thinking to use this method on my bearbrick, but i worry if turn back yellow or even worse after few months? Saw some comments said that will become worse after few months later
I'm not sure what these guys are doing, or what sources they are relying on, but little of these people have done the actual test themselves. Perhaps they are shoving it right back into the window, or just echoing the last person, I have no idea.
Since I made the video, it has darkened a little, but not yellow nor anything close to like what it was before I started
COOL/////////////
Can we get an update? Did any of the items start to re yellow faster?
Actually there are all still doing great. They have been pretty much kept in a dark place, so the reaction will reverse very slowly without a catalyst 🌱☀️
@@TutorialGenius Glad to hear. I'm dealing with this issue with Hasbro products. A lot of their new Transformers figures are rapidly yellowing for some reason, and it's a huge problem currently. I'm trying to retrobright some right now to see if the yellow comes back.
Can the peroxide be used multiple times or just once?
I kinda covered this in the video already! That's why the video is so long haha!
@@TutorialGenius I'm sorry, but my english is not that good. I'll watch again with subtitles now 😅
@@TutorialGeniusthis is a shitty non-answer
@@DrBagPhD Well Dr. PhD, you know everything, so explain :)
The answer is in the video. Watch the video, find the answers 🤷♂️
@@TutorialGenius Why would I waste my time when you "kinda" cover it? For someone supposedly wanting to teach others you sure are a gatekeepy kunt, aren't you?
Don't know where you live but in the UK you can easy get 12% hydrogen peroxide on eBay or Amazon.
Yes you can. It's harder on the plastic and it's more expensive, but yes, its an option
Don't know if any one can help me but I am trying to clean up 1989 cherry coke robot transformer can. And I don't want the red to fade. By using hydrogen paroxide. Can't one help or know if it would affect the red or not? Please any one help ❤
Perhaps! Is it possible to do a spot test on a similar product or material?
I used to have one of those cans! That's great you still have it!
I’m sorry about your four legged friend, mine was born in 2009 and passed in 2023 as well. I’m sure they are resting in peace
I'm sure mine is still causing trouble, I'm not sure even death would stop her antics! 😆 I'm sorry to hear and thank you! 🥲
How long I keep it in the sun?
Depends! See how you get on! You can see it slowly restore
I'm searching for a hydrogen peroxide and from what I see the 12% solution is not more expensive at all than the 3% solution (weird)
i bought 35% without knowing how volatile it is.
oww yeah thats a bit too strong unless you have something tough you don't care too much about
Ofc u can reuse ur hydrogen peroxide😂
I already explained in the video why its not a good idea
You just make plastics weaker. What a waste.
With 3%, never had problems. But you seem confident, so do you have a source you want to share? or is it just based on speculation?
@@TutorialGenius Basic science. Obvious. You can not argue with chemistry. Check out: "photo-oxidation of polymers"...
@@piotrleszczynski5744 lol now you've confirmed you don't know what you're talking about. These are the times that I wish I could have these conversations in person, so that somebody doesn't Google at their finger tips. You're basically saying that UV exposure cases weaker plastics. That's obvious. Anybody can have a console in a living room with an open window, 4 hours won't make much difference to a 25 year old Dreamcast that's been in daylight sun, 8 hours a day, for 25 years lol. CLEARLY that wasn't your argument here. Clearly you're implying that H2O2 causes this. You do know what photo-oxidation is, right??? Then you had the audacity to like your own comment 😆 My god!
I would rather debate with Google directly and cut out the middle man (P.s. You're the middle man, but that should be both: Basic science and Obvious 😂)
you talk to much bro
Here's the door 🚪 Use it! :)
Not your bro and you have nothing to say
H 2 O. Not Hach 2 O. 😅
It's called English and England 💅