Author Topic: Adventures in Retrobrite  (Read 4541 times)

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Offline Homer J Simpson

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Adventures in Retrobrite
« on: August 21, 2017, 03:12:19 pm »

 
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Online Halcyon

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Re: Adventures in Retrobrite
« Reply #1 on: August 29, 2017, 03:41:23 am »
Absolutely fascinating video and a huge thanks to David (8-bit guy) for giving all those methods a crack in the name of Science.

I have a bunch of machines which have been waiting for Retrobrite treatment but I've been waiting for the most economical way to do it that won't destroy my investments. Some of the methods shown here are worthy of trying, especially in the Australian summer where UV levels and temperatures are higher. I'd like to explore the Ozone method a bit more because large, resealable bags are fairly easy to find.
 

Offline bitseeker

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Re: Adventures in Retrobrite
« Reply #2 on: August 30, 2017, 12:32:17 am »
Yeah, the ozone method does look promising, especially for large items. The hot water and peroxide method was surprising. I hadn't seen that before.
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Offline djos

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Re: Adventures in Retrobrite
« Reply #3 on: August 30, 2017, 08:30:37 am »
Great video from 8-bit guy as always.

I personally use the Napisan Vanish w/ peroxide laundry products plus the hot Aussie sun (when it's out - currently winter here) and cover with cling-wrap:



I find the detergents help remove any nicotine stains and oils built up on the plastic and have never had streaking as a result. The price is good too, 1.75 Litres for $19 AUD and it goes a long way.  :-+
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Offline bitseeker

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Re: Adventures in Retrobrite
« Reply #4 on: August 30, 2017, 05:58:14 pm »
That'd probably work well with the hot pot method, too.
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Offline djos

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Re: Adventures in Retrobrite
« Reply #5 on: August 30, 2017, 08:56:55 pm »
That'd probably work well with the hot pot method, too.

Very true, I might attempt to retr0bright my Tandy 1000ex keys this weekend if I have time.
The impossible often has a kind of integrity which the merely improbable lacks.

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Offline djos

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Re: Adventures in Retrobrite
« Reply #6 on: August 31, 2017, 08:35:52 am »
So I ended up working from home today due to my daughter being unwell ... and what do you know, it was a nice sunny 16c day with not a cloud in the sky.

So I thought I'd retr0bright my 1000 EX keys. However I did it the old way using a baking tray, Alu Foil, cling wrap and sunlight with some left over Vanish Crystal White. It was mostly very successful with only the tiniest hint of yellowing remaining on a few keys ... it isnt even noticeable once they are back on tho and my EX looks almost new now.



before:


after:


It looks great ... although I am ashamed to say that I made one monumental cock up which is pissing me off greatly. I didnt think to put the strainer thing on the plug hole and while rinsing off the Vanish, I washed the two tiny plastic bits (above the F1/F12 keys) down the friggin sink ... I'm so dirty with myself right now!!!  |O  :palm:
« Last Edit: August 31, 2017, 08:41:06 am by djos »
The impossible often has a kind of integrity which the merely improbable lacks.

Visit my Tindie store for Tandy 1000 Adapters for EX, HX, SX, SL, TX & TL etc
 

Online Halcyon

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Re: Adventures in Retrobrite
« Reply #7 on: August 31, 2017, 08:50:38 am »
djos, that looks great and all done in Australia's winter sun as well! (It was a lovely day though.)

I know a guy in Sydney who has a literally several metric tons of vintage computer gear. I could ask him if he has any identical machines? Having spares of vintage computers around probably isn't a bad idea.

PM me if interested.
 

Offline djos

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Re: Adventures in Retrobrite
« Reply #8 on: August 31, 2017, 08:54:35 am »
djos, that looks great and all done in Australia's winter sun as well! (It was a lovely day though.)

I know a guy in Sydney who has a literally several metric tons of vintage computer gear. I could ask him if he has any identical machines? Having spares of vintage computers around probably isn't a bad idea.

PM me if interested.

Thanks mate, Im definitely 8) happy with the colour improvement and thanks for the offer.
The impossible often has a kind of integrity which the merely improbable lacks.

Visit my Tindie store for Tandy 1000 Adapters for EX, HX, SX, SL, TX & TL etc
 

Offline bitseeker

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Re: Adventures in Retrobrite
« Reply #9 on: August 31, 2017, 05:33:52 pm »
I didnt think to put the strainer thing on the plug hole and while rinsing off the Vanish, I washed the two tiny plastic bits (above the F1/F12 keys) down the friggin sink ... I'm so dirty with myself right now!!!  |O  :palm:

D'oh! As soon as something slips into the drain like that, immediately turning off the water might still provide a chance it's in the P-trap.
I TEA.
 

Offline djos

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Re: Adventures in Retrobrite
« Reply #10 on: August 31, 2017, 08:49:32 pm »
I didnt think to put the strainer thing on the plug hole and while rinsing off the Vanish, I washed the two tiny plastic bits (above the F1/F12 keys) down the friggin sink ... I'm so dirty with myself right now!!!  |O  :palm:

D'oh! As soon as something slips into the drain like that, immediately turning off the water might still provide a chance it's in the P-trap.

What's a P-trap?
The impossible often has a kind of integrity which the merely improbable lacks.

Visit my Tindie store for Tandy 1000 Adapters for EX, HX, SX, SL, TX & TL etc
 

Offline RGB255_0_0

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Re: Adventures in Retrobrite
« Reply #11 on: August 31, 2017, 09:18:01 pm »
I didnt think to put the strainer thing on the plug hole and while rinsing off the Vanish, I washed the two tiny plastic bits (above the F1/F12 keys) down the friggin sink ... I'm so dirty with myself right now!!!  |O  :palm:

D'oh! As soon as something slips into the drain like that, immediately turning off the water might still provide a chance it's in the P-trap.

What's a P-trap?
Would be equivalent to U-bend in our language.

https://en.m.wikipedia.org/wiki/Trap_(plumbing)
Your toaster just set fire to an African child over TCP.
 

Offline djos

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Re: Adventures in Retrobrite
« Reply #12 on: August 31, 2017, 09:23:53 pm »
I didnt think to put the strainer thing on the plug hole and while rinsing off the Vanish, I washed the two tiny plastic bits (above the F1/F12 keys) down the friggin sink ... I'm so dirty with myself right now!!!  |O  :palm:

D'oh! As soon as something slips into the drain like that, immediately turning off the water might still provide a chance it's in the P-trap.

What's a P-trap?
Would be equivalent to U-bend in our language.

https://en.m.wikipedia.org/wiki/Trap_(plumbing)


cheers, by the time I realised it was too late, they were gone.  :palm:
The impossible often has a kind of integrity which the merely improbable lacks.

Visit my Tindie store for Tandy 1000 Adapters for EX, HX, SX, SL, TX & TL etc
 

Offline AllMacs

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Re: Adventures in Retrobrite
« Reply #13 on: January 31, 2018, 04:03:05 pm »
I have done a bit of experimenting myself. And I am wondering why David thinks the ozone is a contributor. Does hydrogen Peroxide break down to ozone?
As far as the actually reaction responsible for the brightening, I do not think it is the UV light doing it, per se. But rather the the reaction of the UV waveform and the heating of the plastic.
I think the peroxide breaks down by the reaction of UV light or better the radiation of it. But the major chemical reaction with the Bromide is a result of heat.
 

Offline jh15

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Re: Adventures in Retrobrite
« Reply #14 on: February 03, 2018, 02:21:04 am »
I have an ozone generator from ebay I used to totally get rid of horrid cigarette smoked used car I bought. 20 mins, and gone totally. Thought next summer heat would bring it out ot but it was gone!

20 mins and smell gone totally forever. I was recently with flu season in mind, was going to dig it out and see if using it on microphones would help keep flu schmoo from spreading in a community radio station.

I'll make a box for that, and throw in some aged apple crap or something.
tek 575 curve tracer top shape, 535 top shape, 465. 545 hickok clone, Telsa Model S,  Ohio Scientific c24P single board computer, many c-64 from my club days, Giant electric bicycle, Rigol stuff, Heathkit AR-15 receivers 2, Heathkit et 3400a trainer and interface,
 

Offline Ampera

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Re: Adventures in Retrobrite
« Reply #15 on: February 03, 2018, 06:38:14 am »
The ozone method especially interests me, as it seems to, if done properly, be a method with no consumption besides power.

Here's my idea:

What about a plastic box, storage container, doesn't have to be air tight, but it wouldn't be a bad idea. One hole, cut for power leads and sealed with hot snot. This plugs into an ozone generator inside the box (a cheaper unit without a tube could be used) and then something like a load of UV LED strips mounted around the box. The idea here is that the oxygen inside the box gets converted into Ozone (could be on a timer, just to keep ozone levels up) and then the UV light applies whatever principle is behind this operation. It could be stuck in a basement, or somewhere else away from regular human interaction for safety. The idea is you can just lob large items into it, and do it without consumables.
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Offline ebastler

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Re: Adventures in Retrobrite
« Reply #16 on: February 03, 2018, 04:48:20 pm »
I have an ozone generator from ebay I used to totally get rid of horrid cigarette smoked used car I bought. 20 mins, and gone totally.

Heck, I didn't realize ozone is so aggressive! 20 minutes to get rid of a whole used car?!   
I'd rather not use it on my old Mac Plus then...  ::)
 

Offline jh15

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Re: Adventures in Retrobrite
« Reply #17 on: February 05, 2018, 07:05:10 am »
I'll dig it out out and get a picture, and maybe find the ebay link.

Until I found garlic spray on the lawn totally eliminated mosquitoes in my house lawn by a swamp, it was the most miraculous thing I have found in my old age.

Besides spacex
tek 575 curve tracer top shape, 535 top shape, 465. 545 hickok clone, Telsa Model S,  Ohio Scientific c24P single board computer, many c-64 from my club days, Giant electric bicycle, Rigol stuff, Heathkit AR-15 receivers 2, Heathkit et 3400a trainer and interface,
 


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