If anyone responds to the request below, please do so on the list. I also
need this information, and have not yet found a reliable source. Thanx.

Hank Burchard * <[log in to unmask]> * Washington DC


On Mon, 26 Aug 1996, Clara Margaret Deck wrote:

> Subject: info request to post
>
>
> Silica Gel Information requested.
> I would like to hear from anyone who has worked with silica gel as a
> buffering agent for sealed exhibit cases. More specifically, I would like
> to know what ratio of silica gel-to- case volume has proven effective in
> maintaining a reasonable RH range over time (say, three months).
> The Canadian Conservation Institute recommends 20kg/meter cubed (a lot!).
> I have cases with volumes ranging from 25 to 75 square feet, so I would
> like to know if we can use less than this CCI recommendation, but still
> buffer the RH effectively. Any ideas?
> I am not a member of this list, (Jan Turner is our Institutonal member).
> You are welcome to respond to me personally at
> [log in to unmask]
> Clara Deck,  Henry Ford Museum & Greenfield Village, Dearborn MI, 48121