How to remove yellowing from an old Atari case

[How to remove yellowing from an old Atari case]

The Amiga boys seem to think that heat is what works the magic -->

 

http://eab.abime.net/showthread.php?t=37808&page=50

 

I had no luck with heat alone, after 4hrs there was no change at all.

 

2hrs in very bright sunlight on a hot day worked great.

 

Washed/degreased the parts first with washing up liquid.

I put foil over the table to reflect the sunlight back up onto the parts.

Used 12% salon cream mixed with 1/3 35% H2O2 (from eBay, hard to find now).

Kept repasting every 20mins for about 2hrs.

 

 

 

[Ultimate Atari Cart (Electrotrains) Pre-Order by 18 APR 17]

Fantastic, $115 paid via PayPal. Do I need to do anything else?

Thanks In advance.

[Ultimate Atari Cart (Electrotrains) Pre-Order by 18 APR 17]

Are there any left, this thing look great!