660 Transparent turned yellow

Discussions on using Polaroid® 600 Camera: Spirit, Impulse, Supercolor, OneStep, 680 SLR ...
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660 Transparent turned yellow

Postby sander » Wed 13 August 2014 / 20:39 pm

I have a transparent 660 (promo for photoshops to show customers how the mechanism works) from which the plastic turned yellow from aging and sunlight. Is there a way to get it crystal clear again?

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Postby CCWH » Wed 13 August 2014 / 21:05 pm

I think: no... :-(
Fou de la photo pointue (RAW et compagnie), des technologies d'avenir (Lytro,...), je suis retombé dans le bain du Polaroid...

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Postby scaf » Wed 13 August 2014 / 21:41 pm

I read once a trick for bleaching computer cases (typically : amiga).
They used dihydrogen peroxyde, IIRC.

But computer cases aren't transparent : their yellowing is on the surface only.
On a transparent case, the yellowing can be inside the plastic, too.

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Postby Fabrice_K* » Wed 13 August 2014 / 23:05 pm

It's the problem of PMMA or PC with the sunlight or UV... It's the same thing for the front vehicle projector... Bad plastic without UV protector...

And it's no reversible problem...

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