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Re: Barrier Paper

2009-11-04 by pr_roark

Richard Smallfield <r.smallfield@...> wrote:
>
> ... what chance is there of acids migrating, ...

The acids will migrate  like  a gas through lots of substances.  I had some silver  prints with acidic cardboard backings.  Wax paper  did not stop  the acids.  Aluminum foil did.

Paul
www.PaulRoark.com

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