Author Topic: Retrobrite recipes are complete BS  (Read 15318 times)

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Offline AKIMbO

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Retrobrite recipes are complete BS
« on: Sun, 21 October 2012, 08:47:03 »
My SGI granite before retrobriting:


My SGI granite after retrobriting:


All I used was 4 hours of South Florida sunshine and 40 vol creme developer from Sally's Beauty Supply ($12 for a gallon...which is enough to do several boards and then some).  There's no need for xanthan gum or glycerin. 
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Offline jeroplane

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Re: Retrobrite recipes are complete BS
« Reply #1 on: Sun, 21 October 2012, 09:26:41 »
As far as I know, I think gum/glycerin/corn starch is generally used to simply thicken the mixture for easier application as opposed to being an active ingredient.

Offline AKIMbO

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Re: Retrobrite recipes are complete BS
« Reply #2 on: Sun, 21 October 2012, 09:32:42 »
As far as I know, I think gum/glycerin/corn starch is generally used to simply thicken the mixture for easier application as opposed to being an active ingredient.

It is...but I'm saying even the oxyclean isn't needed.  The 40 vol creme developer is all you need. And it comes pre-mixed!
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Offline IvanIvanovich

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Re: Retrobrite recipes are complete BS
« Reply #3 on: Sun, 21 October 2012, 10:20:17 »
Yes if you buy high concentrate peroxide paste, nothing else is needed unless you want to really speed things up. It just depend on what is available. Some people don't have access to that type of product easy and have to make due with what can be had from somewhere like walmart which is usually peroxide under 10% so the oxi really is needed there to increase strength.
Thickener is only needed if you don't have a big tub for large item like case body, as it can be painted on and stay put instead of soak in liquid.

Offline Capitalistix

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Re: Retrobrite recipes are complete BS
« Reply #4 on: Sun, 21 October 2012, 10:57:25 »
My SGI granite before retrobriting:
Show Image


My SGI granite after retrobriting:
Show Image


All I used was 4 hours of South Florida sunshine and 40 vol creme developer from Sally's Beauty Supply ($12 for a gallon...which is enough to do several boards and then some).  There's no need for xanthan gum or glycerin.

Lookin great man! So did you just take the case apart, smear on the creme, and then just let it sit in the sun?

Offline AKIMbO

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Re: Retrobrite recipes are complete BS
« Reply #5 on: Sun, 21 October 2012, 11:18:49 »
^Yup...more or less.  I took the case apart and painted a light layer of the creme on it and let it sit in the sun for 45 minutes.  After 45 minutes, I took the case inside and washed the creme off, then reapplied another light layer and let sit in the sun for 45 more minutes....rinse and repeat a total of 4 times.  The results are pretty drastic if you ask me.  I'm going to be doing a few more old boards I have (Zenith ZKB2 and the Dell AT101).

Yes if you buy high concentrate peroxide paste, nothing else is needed unless you want to really speed things up. It just depend on what is available. Some people don't have access to that type of product easy and have to make due with what can be had from somewhere like walmart which is usually peroxide under 10% so the oxi really is needed there to increase strength.
Thickener is only needed if you don't have a big tub for large item like case body, as it can be painted on and stay put instead of soak in liquid.

I always thought beauty supply stores were prevalent in the US.  I have 4 of them within a few miles of my house.  I guess I'm lucky.  You can order the creme online though (link). 
« Last Edit: Sun, 21 October 2012, 11:22:47 by AKIMbO »
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Offline Input Nirvana

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Re: Retrobrite recipes are complete BS
« Reply #6 on: Sun, 28 October 2012, 22:22:41 »
FYI---

The megathread on GH with the pics and comparisons must be gone.

We found out a year ago all you need is Oxy-Clean or generic about 2 times stronger than the strongest mixture on the box. It works for about 6 hours then the chemicals react out.

You can sit and debate all the Retrobrite discussions you want, but several of us did this with Oxy and water. That's it.
The Oxy is far cheaper (pennies) and safer and easier to use. Plus the extra can be used in your laundry. Doing this any other way is just silly. More expensive, possibly dangerous and harder to do.

Don't make it more complicated than it is. You guys sound like you're taking the expensive, harder route. Stop, turn around, go the other way!
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Re: Retrobrite recipes are complete BS
« Reply #7 on: Mon, 29 October 2012, 02:29:46 »
FYI---

The megathread on GH with the pics and comparisons must be gone.

We found out a year ago all you need is Oxy-Clean or generic about 2 times stronger than the strongest mixture on the box. It works for about 6 hours then the chemicals react out.

You can sit and debate all the Retrobrite discussions you want, but several of us did this with Oxy and water. That's it.
The Oxy is far cheaper (pennies) and safer and easier to use. Plus the extra can be used in your laundry. Doing this any other way is just silly. More expensive, possibly dangerous and harder to do.

Don't make it more complicated than it is. You guys sound like you're taking the expensive, harder route. Stop, turn around, go the other way!


Diggity...

Offline AKIMbO

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Re: Retrobrite recipes are complete BS
« Reply #8 on: Mon, 29 October 2012, 06:48:33 »
FYI---

The megathread on GH with the pics and comparisons must be gone.

We found out a year ago all you need is Oxy-Clean or generic about 2 times stronger than the strongest mixture on the box. It works for about 6 hours then the chemicals react out.

You can sit and debate all the Retrobrite discussions you want, but several of us did this with Oxy and water. That's it.
The Oxy is far cheaper (pennies) and safer and easier to use. Plus the extra can be used in your laundry. Doing this any other way is just silly. More expensive, possibly dangerous and harder to do.

Don't make it more complicated than it is. You guys sound like you're taking the expensive, harder route. Stop, turn around, go the other way!


Damn you rootworm....I shall try the oxy and water method next time.  Thanks for the tip.
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Offline SmallFry

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Re: Retrobrite recipes are complete BS
« Reply #9 on: Mon, 29 October 2012, 07:29:28 »
I read the title as Retr0Brite recipes are complete BucklingSpring... I need to get out more.

Offline fohat.digs

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Re: Retrobrite recipes are complete BS
« Reply #10 on: Mon, 29 October 2012, 07:33:44 »
Are you saying that the sunlight is not required, either?

I have only tried it a couple of times (low success rate) and I had trouble finding a large shallow container for the cases, preventing them from floating up, and the keys kept flipping over (that pesky old gravity, I suppose) so I gave up.

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Offline SmallFry

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Re: Retrobrite recipes are complete BS
« Reply #11 on: Mon, 29 October 2012, 07:35:15 »
IIRC, adding the glycerin allows you to rub it on instead of submerging it.

Offline pasph

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Re: Retrobrite recipes are complete BS
« Reply #12 on: Mon, 29 October 2012, 08:50:42 »
Are you saying that the sunlight is not required, either?

I think you can also use an UV-light
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Offline SmallFry

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Re: Retrobrite recipes are complete BS
« Reply #13 on: Mon, 29 October 2012, 09:55:49 »
True, the sun is just for the UV light that comes as a part of sunlight:)

Offline fohat.digs

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Re: Retrobrite recipes are complete BS
« Reply #14 on: Mon, 29 October 2012, 12:26:06 »
So, UV is required in any case?
* Only 45% of Trump voters believe Donald Trump Jr had a meeting with Russians about information that might be harmful to Hillary Clinton .... even though Trump Jr admitted it. 32% say the meeting didn't happen and 24% say they're not sure.
* 72% of Trump voters consider the Russia story overall to be 'fake news,' only 14% disagree.
* Only 24% of Trump voters even want an investigation into whether the Trump campaign colluded with Russia, 64% are opposed to an investigation.
* Only 26% of Trump voters admit that Russia wanted Trump to win the election, 44% claim Russia wanted Hillary Clinton to win, and 31% say they're not sure one way or the other.
* Even if there was an investigation, and it found that the Trump campaign did collude with Russia to aid his campaign, 77% of his supporters think he should still stay in office to just 16% who believe he should resign.  - Public Policy Polling - July 2017

Offline AKIMbO

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Re: Retrobrite recipes are complete BS
« Reply #15 on: Mon, 29 October 2012, 12:58:52 »
So, UV is required in any case?


Yes, UV is required.  I like to retrobrite on a cloudy day since UV rays penetrate clouds and you don't deal with the oppressive southern sunshine (which can warp plastic cases if you aren't careful).
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Offline SmallFry

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Re: Retrobrite recipes are complete BS
« Reply #16 on: Mon, 29 October 2012, 13:59:22 »
I would love to try retr0briting since I don't want screw up something I really like etc.