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Re: [ARSCLIST] Acetate disc sleeves



Brandon is right, of course. When ARSC ordered a reprinting of Pickett
& Lemcoe a year or two ago, we wrote a new preface to the report
warning specifically against the recommendation to seal lacquers in a
sleeve.

Sam


On 8/3/05, Brandon Burke <burke@xxxxxxxxxxxxxxxxxxx> wrote:
> Eric,
> 
> You know... The more I think about it, the more I'm convinced that
> "sealing" the disc in it's housing -- what one would essentially be doing
> in this case -- is a really a bad idea.
> 
> We already talked about micro-environments on Monday but I'll say again
> that sealing the disc within its housing allows off-gassing and other
> byproducts of degradation to compound this problem -- perhaps even
> exponentially!  It also seems to me that if the discs are stored at
> reasonable archival conditions (let's say <50% RH) there's less of a need
> to keep moisture out.
> 
> Echoing what Richard said earlier today, I think I'd prefer to have at
> least some airflow within these housings.
> 
> Brandon
>


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