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