Robert Morrison -

I had some success removing the yellowing from my SAM with “vapour brite” (works just like Retr0brite but the plastics don’t go directly in the solution). Compare the drive facias (before treatment) to the SAM top case (after half a day in the sun). 😎

a clear Perspex™ box in direct sunlight with a white plastic item inside. aluminium foil underneath, the clear liquid in the box is forming condensation on the walls and lid a large clear Perspex™ box in direct sunlight with a SAM Coupé top case inside, aluminium foil underneath, clear lid clipped on tightly SAM Coupé computer with a SamCo card cage accessory. the floppy drive face plave on the SAM is noticeably more yellowed than the rest of the ostensibly white plastic close up pictire of the SAM Coupé with the floppy drive pulled out slightly to emphasise the contrasting shades of white and yellowish plastic